what is 13000000×200000000 in standard form?
Answer:
260,000,000,000,000
Step-by-step explanation:
200,000,000
x 13,000,000
260,000,000,000,000
I really need help..im confused
brown hair (H) is dominant to blond hair (h). Two hybrid parents have 4 kids. what is the likelihood that their kids will be hybrids as well? (this is punnett square)
Answer:
50 %
Step-by-step explanation:
In Bill the Boring's dryer there are 3 black shirts, 8 gray shirts, 13 black sweaters, and 7 gray sweaters. Bill is going to take one of these pieces of clothing out
of the dryer at random to check if his clothes are completely dry. What is the probability that the piece of clothing Bill takes out is gray or is a shirt?
Do not round intermediate computations, and round your answer to the nearest hundredth.
Answer:
0.58
Step-by-step explanation:
First, we need to find the total number of pieces of clothing in the dryer. We do this by adding up the number of black shirts, gray shirts, black sweaters, and gray sweaters: 3 + 8 + 13 + 7 = 31
Next, we need to find the number of gray pieces of clothing in the dryer. We do this by adding up the number of gray shirts and gray sweaters: 8 + 7 = 15
Now we can find the probability of Bill taking out a gray piece of clothing by dividing the number of gray pieces of clothing by the total number of pieces of clothing: 15/31
To find the probability of Bill taking out a shirt, we add the number of black shirts and gray shirts: 3 + 8 = 11
Now we can find the probability of Bill taking out a shirt by dividing the number of shirts by the total number of pieces of clothing: 11/31
To find the probability that the piece of clothing Bill takes out is gray or is a shirt, we add the probability of Bill taking out a gray piece of clothing and the probability of Bill taking out a shirt.
So the probability that the piece of clothing Bill takes out is gray or is a shirt is: (15/31)+(11/31)= 0.58 rounded to the nearest hundredth.
What percent of 675 is 270?
Answer:
40%
Step-by-step explanation:
Step 1: We make the assumption that 675 is 100% since it is our output value.
Step 2: We next represent the value we seek with x.
Step 3: From step 1, it follows that 100\%=675.
Step 4: In the same vein, x\%=270.
Step 5: This gives us a pair of simple equations:
100\%=675(1).
x\%=270(2).
Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS
(left hand side) of both equations have the same unit (%); we have
100%/x% = 675/270
Step 7: Taking the inverse (or reciprocal) of both sides yields
x%/100% = 270/675
x=40%
Therefore, 270 is 40% of 675
Step 1 of 3
a.
About 180,000 terawatts of solar power reaches Earth’s surface.
Out of which about 0.06% is used by plants for photosynthesis.
Thus 108 terawatts of solar power is used by plants for photosynthesis.
Of this energy, about ends up stored in plant matter
Thus 1.08 terawatts of energy get stored in plant matter.
Consider the following facts
Therefore,
Therefore joules of energy get stored in plant matter each second.
The amount of energy stored in plant matter each second is 1.08 × 10^12 Joules.
Step 1: Calculation of joules of energy stored in plant matter each secondGiven that, 1.08 terawatts of energy gets stored in plant matter for photosynthesis in a second.Therefore, 1.08 × 1012 watts of energy gets stored in plant matter each second. Also, the energy stored in plants matter in Joules = Watts × seconds (Joule is the unit of energy)1.08 × 1012 watts of energy stored in plant matter in a second.1 watt-second = 1 JouleEnergy stored in plant matter in a second = 1.08 × 1012 watts × 1 second = 1.08 × 1012 Joules Answer: The amount of energy stored in plant matter each second is 1.08 × 10^12 Joules.
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Questions:
PQ is a straight line.
Diagram NOT
accurately drawn
(126% )
(a)
Work out the size of the angle marked xº.
(b) (i) Work out the size of the angle marked yº.
Give reasons for your answer.
Answer:
the answer is up u can see it if u want explanation u can message me here
what is the answer -1 x 3/2
Step-by-step explanation:
MARK ME THE BRAINLIEST PLS PLS
25.
If the area of a circle is 100 cm2, find the
diameter.
Answer:
The answer is 2(√(100)/√(π)) cm.
Step-by-step explanation:
Since the area of a circle is π(r)^2, you can write an algebraic equation to find the radius:
π(r)^2 = 100
Simplify this by dividing both sides by π:
r^2 = 100/π
Then take the square root of both sides:
r = ±(√(100)/√(π))
Since radius can't be negative, the ± (plus-or-minus) becomes a plus.
r = √(100)/√(π)
Now, since the radius is half the diameter, you can write another algebraic expression:
2r=d
If you know algebra, you can solve solve the rest from here.
Plug in √(100)/√(π) for r:
2(√(100)/√(π)) = d
Bam, you're done.
(not using the equation feature because I don't really know how yet. Will edit later)
determine the filtration rate in gallons per minute per square foot (gal/min/ft2) for a filter with a surface length of 40 feet and a width of 20 feet. with the influent valve closed, the water above the filter dropped 10 inches in 5 minutes. select the closest answer.
For he filtration rate in gallons per minute per square foot (gal/min/ft2) for a filter with a surface length of 40 feet and a width of 20 feet. The closest answer is 33.33 gal/min/ft².
To determine the filtration rate in gallons per minute per square foot (gal/min/ft²), we can use the following formula:
Filtration Rate = (Volume of Water Filtered / Time) / Surface Area
First, let's calculate the volume of water filtered. Since the water above the filter dropped 10 inches in 5 minutes, we need to convert the drop in inches to a volume in gallons.
1 gallon is approximately equal to 231 cubic inches.
Volume of Water Filtered = (Drop in inches / 231) * Surface Area
Surface Area = Length * Width
Surface Area = 40 feet * 20 feet
Next, let's calculate the filtration rate using the given values:
Filtration Rate = ((Drop in inches / 231) * Surface Area) / Time
Substituting the values:
Filtration Rate = ((10 inches / 231) * (40 feet * 20 feet)) / 5 minutes
Converting the surface area to square inches:
Surface Area = (40 feet * 12 inches/foot) * (20 feet * 12 inches/foot)
Now we can calculate the filtration rate:
Filtration Rate = ((10 / 231) * (40 * 12 * 20 * 12)) / 5
Simplifying the equation:
Filtration Rate = ((10 * 40 * 12 * 20 * 12) / (231 * 5))
Calculating the filtration rate:
Filtration Rate ≈ 33.33 gal/min/ft²
Therefore, the closest answer is 33.33 gal/min/ft².
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Holly is trying to save $25,000 to put a down payment on a condominium. If she starts with $10,000 saved and saves an additional $750 each month, which equation represents how far Holly is from her goal of reaching $25,000? Let x stand for months and y stand for dollars.
Answer:
15000 - 750x
Step-by-step explanation:
Holly is trying to save $25, 000 to put a down payment on a condominium. She started with $10,000 and saved an additional $750 each month.
Let
y = dollars
x = number of months
Since she started her savings with $10, 000 her remaining amount to pay will be 25000 - 10000 = $15000 .
The amount will also be reducing by $750 per month
Therefore,
How far she is from her goal can be represented with the equation
15000 - 750x
Aldo is saving money to buy a game. So far he has saved 30, which is five-sixths of the total cost of the game. How much does the game cost
The game costs 36 units of currency. Aldo has saved 30 units, which is five-sixths (5/6) of the total cost.
The game costs 36. Aldo has saved 30, which is five-sixths of the total cost. Total cost, we can set up an equation where 5/6 of the total cost is equal to 30, and then solve for the unknown.
By setting up an equation where 5/6 of the total cost is equal to 30, we can determine the unknown total cost.The total cost, we can set up the equation (5/6)x = 30, where 'x' represents the total cost of the game. To isolate 'x', we can multiply both sides of the equation by 6/5. This gives us x = (6/5) * 30 = 36.
Therefore, the total cost of the game is 36 units of currency. Aldo's savings of 30 units represent five-sixths (5/6) of the game's cost, leaving a remaining amount of 6 units to reach the full price.
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PLEASE HELP ME. WILL MARK BRAINLEST!!!
The values of θ in the equation are determined as 225.6⁰ and 314.4⁰.
What is the value of θ in the equation?The value of θ is calculated as follows;
The given equation; -7 cos²θ + 7 = 16sinθ + 15
cos²θ + sin²θ = 1
cos²θ = 1 - sin²θ
- 7(1 - sin²θ) + 7 = 16sinθ + 15
-7 + 7sin²θ + 7 = 16sinθ + 15
7sin²θ = 16sinθ + 15
Let sinθ = x
Our new equation becomes;
7x² = 16x + 15
7x² - 16x - 15 = 0
solve for x using formula method;
x = 3 or -0.714
Sinθ cannot be equal to 3, so we choose -0.714
Sinθ = -0.714
θ = sin⁻¹(-0.714)
θ = -45.6⁰
Since θ must be greater than θ, the possible values of θ are in third quadrant and fourth quadrant.
θ = 180 + 45.6⁰ = 225.6⁰
θ = 360 - 45.6⁰ = 314.4⁰
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Is 9.008 greater than 9.080
Answer:
no
Step-by-step explanation:
9.080 is greater
Find the next item in the pattern.
0.3, 0.6, 0.9, 0.12, ...
∠3 is a complement of ∠4, and m∠3=12°. Find m∠4.
Answer: 78 degrees
Step-by-step explanation:
a=m∠3 b=m∠4
a=12
b=90-12
b=78
m∠4=78 degrees
An avid gardener wants to know which of two brands of fertilizer is best for her tomatoes. The two brands of fertilizer are A and B. She plants five pairs of tomato plants in two rectangular planters and places them beside one another. She gives each set of tomato plants the same amount of water each day, only she gives one set of plants fertilizer A and the other set of plants fertilizer B. At the end of the growing season, she counts the number of tomatoes each plant has yielded. Assume that all conditions for inference have been met. The rectangular planters are lined up so that plant 1 is beside plant 6, and plant 2 is beside plant 7, and so on. The yield for the five pairs of tomato plants are given. Plant 1 2 3 4 5 Yield with Fertilizer A 7 6 5 8 10 Plant 6 7 8 9 10 Yield with Fertilizer B 4 7 6 5 3 The gardener believes that fertilizer A enhances the yield of her tomatoes more than fertilizer B. She uses the following order of subtraction when determining the difference in the yields for the two brands: A- B (a) We would like to carry out a t test for the population mean difference. Calculate the point estimate. (b) Calculate the standard deviation of the differences. (Round your answer to three decimal places.) (c) Calculate the test statistic. (Round your answer to two decimal places.)
(a) Point estimate (mean difference): 2.2 tomatoes. (b) The standard deviation of differences: Approximately 3.47. (c) The test statistic: Approximately 1.38.
To perform a t-test for the population mean difference, follow these steps:
(a) Calculate the point estimate (mean difference): The point estimate is the mean difference between the yields of fertilizer A and fertilizer B.
Mean difference = (Sum of differences) / Number of pairs
Using the given data gives:
Mean difference = ((7-4) + (6-7) + (5-6) + (8-5) + (10-3)) / 5
Subtracting gives:
Mean difference = (3 - 1 - 1 + 3 + 7) / 5
Solving gives:
Mean difference = 11 / 5
Dividing gives:
Mean difference = 2.2
(b) Calculate the standard deviation of the differences:
To calculate the standard deviation of the differences, we need to calculate the squared differences, find their sum, divide by (n-1), and then take the square root.
Squared differences:\((3 - 2.2)^2, (-1 - 2.2)^2, (-1 - 2.2)^2, (3 - 2.2)^2, (7 - 2.2)^2\)
Solving gives:
Sum of squared differences = (0.64 + 12.96 + 12.96 + 0.64 + 21.16)
Solving gives:
The sum of squared differences = 48.36
The standard deviation of the differences \(= \sqrt{48.36 / 4}\)
Solving gives:
The standard deviation of the differences \(= \sqrt{2.09}\)
Rounded to three decimal places
The standard deviation of the differences ≈ 3.47
c) Calculate the test statistic:
The test statistic (t) = (Point estimate - Null hypothesis value) / (Standard deviation /√(sample size))
Let's assume the null hypothesis is that there is no difference between the two fertilizers
(i.e., mean difference = 0).
\(t = (2.2 - 0) / (3.47 / \sqrt5)\)
Substituting \(\sqrt 5 = 2.236\)
t = 2.2 / (3.47 / 2.236)
Rounded to two decimal places
t ≈ 1.378
So, the test statistic is approximately 1.378.
The gardener can compare this test statistic to critical values from the t-distribution to determine whether the difference between the two fertilizers is statistically significant at a certain significance level. If the calculated test statistic is greater than the critical value, she ma
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Explain briefly the six main criteria that can be used to define normality and abnormality, by illustrating them with one psychological "abnormality" (other than homosexuality).
What may be the values and limitations of using the medical model and classification systems (which are originated from diagnosing and treating physical illnesses) to the understanding and treating of psychological disorders?
The six criteria are:
1. Abnormality as statistical infrequency (Involves comparison with other people)
2. Abnormality as personal distress (Involves consequences of the behavior for self)
3. Abnormality as others’ distress (Involves the consequences of the behavior for others)
4. Abnormality as unexpected behavior (Involves another kind of comparison with others’ behavior)
5. Abnormality as highly consistent/inconsistent behavior (Involving making comparisons between both the actor and others, and between the actor and him/herself in different situations)
6. Abnormality as maladaptiveness or disability (Concerns about the (disabling) consequences for the actor)
The six main criteria to define normality and abnormality include statistical infrequency, personal distress, others' distress, unexpected behavior, highly consistent/inconsistent behavior, and maladaptiveness/disability.
1. Abnormality as statistical infrequency: This criterion defines abnormality based on behaviors or characteristics that deviate significantly from the statistical norm.
2. Abnormality as personal distress: This criterion focuses on the individual's subjective experience of distress or discomfort. It considers behaviors or experiences that cause significant emotional or psychological distress to the person as abnormal.
For instance, someone experiencing intense anxiety or depression may be considered abnormal based on personal distress.
3. Abnormality as others' distress: This criterion takes into account the impact of behavior on others. It considers behaviors that cause distress, harm, or disruption to others as abnormal.
For example, someone engaging in violent or aggressive behavior that harms others may be considered abnormal based on the distress caused to others.
4. Abnormality as unexpected behavior: This criterion defines abnormality based on behaviors that are considered atypical or unexpected in a given context or situation.
For instance, if someone starts laughing uncontrollably during a sad event, their behavior may be considered abnormal due to its unexpected nature.
5. Abnormality as highly consistent/inconsistent behavior: This criterion involves comparing an individual's behavior to both their own typical behavior and the behavior of others. Consistent or inconsistent patterns of behavior may be considered abnormal.
For example, if a person consistently engages in risky and impulsive behavior, it may be seen as abnormal compared to their own usually cautious behavior or the behavior of others in similar situations.
6. It considers behaviors that are maladaptive, causing difficulties in personal, social, or occupational areas. For instance, someone experiencing severe social anxiety that prevents them from forming relationships or attending school or work may be considered abnormal due to the disability it causes.
The medical model and classification systems used in physical illnesses have both value and limitations when applied to psychological disorders. They provide a structured framework for understanding and diagnosing psychological disorders, allowing for standardized assessment and treatment. However, they can oversimplify the complexity of psychological experiences and may lead to overpathologization or stigmatization.
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GUYS CAN WE GET THE PERSON WHO ANSWERS THIS CORRECTLY 1,000 THANKS?
1+1-1+1*1=
A. 3
B. 1
C. 2
D. -1
Answer:
answer: 2
Heres the answer lol!
Answer: C
Step-by-step explanation:
Diameter measures from side to side
Radius measures from side to center.
For example, AE is the diameter and AH is the radius.
Here is a circle with center H and some line segments and curves joining points on the circle.
Identify examples of the following. Explain your reasoning.
The region's sector AHB is a circle's sector. This is due to the fact that it diameter is shaped like a slice of pizza and is bounded by two radii and an arc of the circle.
what is diameter?In geometry, the diameter of a circle is any linear fashion segment that has an endpoint mostly on circle and travels through its centre. Another way to put it is the tallest chord of a circle
The diameter of the circle is represented by the line segment AB. This is due to the fact that it runs through the centre H and connects two points on the circle.
The radius of the circle is represented by the line segment AH. This is because it connects the circle's centre H to a point A.
The chord is the line segment. The chord CD is a circle chord. This is due to the fact that it connects two points on a circle but does not pass through the centre.
Tangent to the circle: The line segment EF is tangent to the circle. This is due to the fact that it only intersects the circle at one point, G, and is perpendicular to the radius GH at that point.
ABG's curve is an arc of the circle. This is because it is part of the circle's circumference, connecting two points A and B.
The region's sector AHB is a circle's sector. This is due to the fact that it is shaped like a slice of pizza and is bounded by two radii and an arc of the circle.
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Mr. Hayes has 11 straw bundles to use forr bedding in his horse stalls. What is the greatest number of stalls he can fill if each stall holds exactly 4 bundles
Answer:
2 stalls
Step-by-step explanation:
Mr. Hayes has 11 straw bundles to use forr bedding in his horse stalls. What is the greatest number of stalls he can fill if each stall holds exactly 4 bundles
1 stall = 4 bundles
4 bundles = 1 stall
11 bundles = x
Cross Multiply
4x = 11
x = 11/4
x = 2 3/4 stalls
The greatest number of stalls he can build is 2 stalls
Please help I have a learning disability and need help with this.
Define a variable and write the phrase as an algebraic expression.
3 more than twice as many ringtones as Mary
Let m = the number of ringtones Mary has
Find the total amount of ringtones if Mary has 5 ringtones.
Answer here ___________
Answer:
Variable: m
3 more than twice as many ringtones as Mary:
3+2m
3+2(5)
3+10
13
Step-by-step explanation:
Answer:
I got you
Step-by-step explanation:
The variable m represents the number of ringtones Mary has. The algebraic expression for this phrase is 2m + 3, where m is the number of ringtones Mary has. If Mary has 5 ringtones, then the total amount of ringtones is 2*5 + 3 = 13.
Hope this helps and let me know if you need me to explain something further!
This equation has one solution. 5(x – 1) 3x = 7(x 1) what is the solution?
Answer:
send the complete question . there are some missing signs .
A ball is dropped and bounces to a height of 5 feet. The ball rebounds to 70% of its previous height after each bounce The function that could be used to model the nth term in the sequence of heights of the ball after the initial drop is
Answer:
\(T_n = 7.143(0.7^n)\)
Step-by-step explanation:
If a ball bounces to a height of 5feet, the initial drop = 5feet
If the ball rebounds to 70% of its previous height after each bounce, the next height after rebouncing will be expressed as;
= 70% of 5
= 70/100 * 5
= 0.7*5
= 3.5 feet
The next height will be 0.7*3.75 = 2.45 and so on
The heights wil form a sequence as thus;
5, 3.5, 2.45...
This sequence forms a geometric progression.
To get the function that could be used to model the nth term in the sequence of heights of the ball after the initial drop, w will find the nth term of the sequence
\(T_n = ar^{n-1}\)
a is the first term of the sequence
n is the number of terms
r is the common ratio
From the sequence:
a = 5
\(r = \frac{3.5}{5} = \frac{2.75}{3.5} = 0.7\)
Substitute the given values into the formula
\(T_n = 5(0.7)^{n-1}\\T_n = 5(\frac{0.7^n}{0.7^1} )\\T_n = \frac{5}{0.7}\times 0.7^n \\T_n = 7.143(0.7^n)\)
The nth tern=m required is \(T_n = 7.143(0.7^n)\)
what is the recursive formula for this sequence 14,18,22,26,30
Answer:
d
Step-by-step explanation:
a1 is 14
Given that a1 is 14, you can see that each next number in the sequence is larger than the previous one by 4, so an= an-1+4
Grace and Zoe like to jump rope grades jump 66 times a minute Zoe jumps 56 times a minute they both Count Their jumps today and together they jump 1266 times in the total of 21 minutes how long did each girl jump
Answer:
Grace jumps for 9 minutes.
Zoe jumps for 12 minutes.
Step-by-step explanation:
Let the time for which Grace jumps the rope = \(x\) minutes
Let the time for which Zoe jumps the rope = \(y\) minutes
As per question statement:
\(x+y=21 ..... (1)\)
Number of times Grace jumps in one minute = 66
Number of times Zoe jumps in one minute = 56
Number of times Grace jumps in \(x\) minutes = 66
Number of times Zoe jumps in \(y\) minutes = 56
As per question statement:
\(66x+56y=1266 ...... (2)\)
Multiplying equation (1) with 66 and subtracting equation (2) from it:
\(10y = 1386 - 1266\\\Rightarrow 10y=120\\\Rightarrow y =\bold{12\ min}\)
By equation (1):
\(x=21-12=\bold{9\ min}\)
Therefore, the answer is:
Grace jumps for 9 minutes.
Zoe jumps for 12 minutes.
What to integers does 17 fall between
Step-by-step explanation:
It falls between 16 and 18
Please help me I got a bad grade and I need to redo them
Find the slope
Answer:
The first one has a slope of 4
The second one has a slope of 0.3 repeating
Step-by-step explanation:
You pick two points on the graph.
You find the x and y coordinates of each point.
You find the difference between the two x coordinates.
You find the difference between the two y coordinates.
Divide the difference in the y coordinates by the x coordinates.
If im wrong sorry owo im only in elementary school... <3
Answer:
4/6
Step-by-step explanation:
How do you write this quadratic equation using substitution
Answer:
u^2 +7u -8=0 where u = 3x+2
Step-by-step explanation:
(3x+2)^2 + 7(3x+2) - 8=0
Let 3x+2 = u
u^2 +7u -8=0
PLEASE HELP FAST Segment PR and segment QS are diameters of circle U. Find measure of arc ST
Answer:
Maybe 74
Step-by-step explanation:
42+64=106
180-106=74