Step-by-step explanation:
It's 27/35, so 27/1 * 1/35
Answer:
0.31 (correct me if I'm wrong)
Step-by-step explanation:
3/5*7/9=0.463/5 divided by 7/9=0.770.77-0.46=0.31A statue in a harbor is approximately 295 feet tall. If the angle of the elevation of a ship to the top of the statue is 21.7 degrees, how far is the ship from the statue’s base?
Answer:
741.3 feet if rounding to the nearest tenth
Step-by-step explanation:
You will do 295/tan21.7 which gives you approximately 741.3 feet
PLEASE HELP (ASAP)!!!
Lashonda's fish tank has 17 liters of water in it. She plans to add 6 liters per minute until the tank has at least 59 liters.
The inequality expression is 17 + 6x >= 59
How to determine the inequality expressionWe can represent the inequality using the variables x for the number of minutes Lashonda adds water to the tank and y for the total amount of water in the tank.
The inequality will be:
y >= 59
Where y is the total amount of water in the tank after adding x minutes of water
We know that the initial amount of water in the tank is 17 liters and she plans to add 6 liters per minute
y = 17 + 6x
We can substitute this expression of y in the inequality y >= 59:
17 + 6x >= 59
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Complete question
Represent as an inequality. Lashonda's fish tank has 17 liters of water in it. She plans to add 6 liters per minute until the tank has at least 59 liters.
10 less than a number x
Answer:
x-10
Step-by-step explanation:
Find equation of the line shown
The equation of the line is y = x + 6
How to detemrine the equatiin of the lineFrom the question, we have the following parameters that can be used in our computation:
The graph
On the graph, we have the following highlights
The graph intersect the y-axis at y = 6
This means that the intercept c is 6
Also, as x changes by 1, the y values changes by 1
This mean sthat the slope is 1
So, we have
y = mx + c
This gives
y = x + 6
Hence, the equation is y = x + 6
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The linear equation on the graph can be written as:
y = (3/2)*x + 6
How to find the equation in the graph?A general linear equation can be written as:
y = a*x + b
Where a is the slope and b is the y-intercept.
If the line passes through two points (x₁, y₁), then the slope will be:
a = (y₂ - y₁)/(x₂ - x₁)
In this case we can see the points (0, 6) (so the y-intercept is b = 6) and (4, 10)
Then the slope will be:
a = (10 - 6)/(4 - 0) = 6/4 = 3/2
Then the linaer equation is:
y = (3/2)*x + 6
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!!HELP MEEE!!!
What is the length of PQ?
14 units
17 units
27 units
34 units
The length of the line segment AB is 5 units.
Unfortunately, you haven't provided any information about PQ such as its location or any other data to help solve the question.
Therefore, it's impossible to determine the length of PQ using the given options. However, here is an explanation of how to find the length of a line segment using the distance formula, which may help you in solving similar questions in the future.
The distance formula is used to find the distance between two points in a coordinate plane, such as the length of a line segment. The formula is:
d = √((x₂ - x₁)² + (y₂ - y₁)²)
where d is the distance, (x₁, y₁) and (x₂, y₂) are the coordinates of the two points.
To use the distance formula, you first need to find the coordinates of the two points that make up the line segment. Then, substitute these coordinates into the formula and simplify to find the distance.
For example, let's say you have two points: A(1, 2) and B(4, 6), and you want to find the length of the line segment AB. Using the distance formula:
d = √((4 - 1)² + (6 - 2)²)
d = √(3² + 4²)
d = √(9 + 16)
d = √25
d = 5
Remember, the distance formula can be applied to any two points in a coordinate plane to find the distance between them.
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A) Find an equation for the line perpendicular to the tangent line to the curve y=x^3-4x+6 at the point (2,6)
-The equation is y=
b) What is the smallest slope on the curve? At what point on the curve does the curve have this slope?
-The smallest slope on the curve is
-The curve has the smallest slope at the point
c) Find equations for the tangent lines to the curve at the points where the slope of the curve is 8.
Answer:
f(x) = x³ - 4x + 6
f'(x) = 3x² - 4
a) f'(2) = 3(2²) - 4 = 12 - 4 = 8
6 = 8(2) + b
6 = 16 + b
b = -10
y = 8x - 10
b) 3x² - 4 = 0
3x² = 4, so x = ±2/√3 = ±(2/3)√3
= ±1.1547
f(-(2/3)√3) = 9.0792
f((2/3)√3) = 2.9208
c) 3x² - 4 = 8
3x² = 12
x² = 4, so x = ±2
f(-2) = (-2)³ - 4(-2) + 6 = -8 + 8 + 6 = 6
6 = -2(8) + b
6 = -16 + b
b = 22
y = 8x + 22
f(2) = 6
y = 8x - 10
The equation perpendicular to the tangent is y = -1/8x + 25/4
-The smallest slope on the curve is 2.92
The curve has the smallest slope at the point (1.15, 2.92)
The equations at tangent points are y = 8x + 16 and y = 8x - 16
Finding the equation perpendicular to the tangentFrom the question, we have the following parameters that can be used in our computation:
y = x³ - 4x + 6
Differentiate
So, we have
f'(x) = 3x² - 4
The point is (2, 6)
So, we have
f'(2) = 3(2)² - 4
f'(2) = 8
The slope of the perpendicular line is
Slope = -1/8
So, we have
y = -1/8(x - 2) + 6
y = -1/8x + 25/4
The smallest slope on the curveWe have
f'(x) = 3x² - 4
Set to 0
3x² - 4 = 0
Solve for x
x = √[4/3]
x = 1.15
So, we have
Smallest slope = (√[4/3])³ - 4(√[4/3]) + 6
Smallest slope = 2.92
So, the smallest slope is 2.92 at (1.15, 2.92)
The equation of the tangent lineHere, we set f'(x) to 8
3x² - 4 = 8
Solve for x
x = ±2
Calculate y at x = ±2
y = (-2)³ - 4(-2) + 6 = 6: (-2, 0)
y = (2)³ - 4(2) + 6 = 6: (2, 0)
The equations at these points are
y = 8x + 16
y = 8x - 16
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Distributive property to simplify the expression 5(x+5)
Answer:
5x + 25
General Formulas and Concepts:
Pre-Algebra
Distributive Property
Algebra I
Terms/CoefficientsStep-by-step explanation:
Step 1: Define
5(x + 5)
Step 2: Expand
Distribute 5: 5(x) + 5(5)Multiply: 5x + 25I need a quick answer please and thank you!
Information number of triangles
sides of 20 cm, 5cm and 15 cm : no triangle
angles 35, 35, and 110 degrees many triangles
angles 50, 50, and 85 degrees no triangle
sides of 7, 3 and 9 one unique triangle
What are the conditions for formation of triangle?A maximum of one unique triangle is formed when the three sides of the triangle given are in the form that the sum of the two shortest sides will be greater than the third side
In the problem, for a triangle to be formed
15 cm + 5 cm > third side, here the sum is not greater hence no triangle
7 + 3 > third side, here the sum is greater than the third side hence a unique triangle is formed
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what us the value of the expression above when ×=2 and y =3 you must show all your work to recieve full credit
We want to find the value of the following expression:
\(4x+\frac{1}{3}y^2\)when x = 2 and y = 3.
We follow the next step by step:
Step 1: replacing x and y values
Step 2: solving the combined operations
Step 1We replace in the equation x by 2 and y by 3:
\(\begin{gathered} 4x+\frac{1}{3}y^2 \\ \downarrow\text{ since x=2 and y=3} \\ 4\cdot2+\frac{1}{3}\cdot3^2 \end{gathered}\)Step 2We solve the expression we found: first we solve the multiplications:
\(\begin{gathered} 4\cdot2+\frac{1}{3}\cdot3^2 \\ \downarrow\text{ since }3^2=9\text{ and }4\cdot2=8 \\ 8+\frac{1}{3}\cdot9 \\ \downarrow\text{ since }\frac{9}{3}=3 \\ 8+3 \end{gathered}\)Then, the addition:
8 + 3 = 11
Answer: 11Nicholas put 1,012 baseball cards into boxes. He put 22 cards in each box. How many boxes did Nicholas need for these baseball cards?
Answer:
46 boxes
Step-by-step explanation:
1012 / 22 = 46
10) The size of a screen for the iPad is measured diagonally. If the iPad
screen is 14.78 centimeters wide and 19.71 centimeters long, what is the size of the iPad screen (measured diagonally)?
Hint: Draw a picture! DO NOT ROUND until the VERY END. Round to the nearest tenths place. *
find the sum
***I am very sorry again**
Answer:
the first 2 boxes are 4 and 12
the full answer is 17 6/12 = 17 1/2
Step-bro explanation:
multiply by 2 to get 12 so you do the same to the top
9+8=17
4+2=6
keep the denominator so your answer is 17 6/12 or 17 1/2
A boat travels with velocity vector (25, 25√3). What is the directional bearing of the boat?
ON 30° E
OE 30° S
OE 30° N
ON 30° W
In a case whereby a boat travels with velocity vector (25, 25√3) the directional bearing of the boat is ON 30° E.
How can the directional bearing of the boat be determined?The given velocity vector are; 25 and 25√3)
horizontal components =25
vertical components =25√3
Then the angle
Tan(θ) = {vertical component / horizontal component }
= 25√3 / 25
= √3 / 1
= √3
Tangent √3= 60 degrees, Then the directional bearing of angle 60 degrees is 30° E
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MATH!!!!!!!!!!! OVER HERE / At the beginning of March, a store bought a Halloween mask at a cost of $10 and marked it up 60%. At the end of the month, the Halloween mask had not sold, so the store marked it down 40%. What was the discounted price?
Answer:
9.60
Step-by-step explanation:
100%->10
160%->16
-------------------------------------
100%->16
100%-40%=60%
60%->9.60
Katye received 15 gifts and a total of $100 in cash for her birthday. She buys one book that costs $23, and she wants to donate $10 to each of several local charities. How much money will Katye have left over if she donates to as many charities as possible?Describe steps you would use to solve the problem. You do not need to find the answer.
Answer:
To solve this problem, we need to subtract the cost of the book and the total amount donated to charities from the total amount of cash Katye received for her birthday. Here are the steps:
Add up the value of the gifts Katye received:
Total value of gifts = (value of gift 1) + (value of gift 2) + ... + (value of gift 15)
Add up the value of the cash Katye received:
Total cash = $100
Subtract the cost of the book from the total cash:
Cash remaining after buying the book = $100 - $23
Determine the maximum number of $10 donations that Katye can make:
Maximum number of $10 donations = (cash remaining after buying the book) / $10
Multiply the maximum number of donations by $10 to get the total amount donated:
Total amount donated = (maximum number of $10 donations) x $10
Subtract the cost of the book and the total amount donated from the total cash:
Cash remaining = $100 - $23 - (total amount donated)
The final answer will be the cash remaining after these calculations
What is the area of the real object that the scale drawing models?
Scale factor: 1:3
Area =
40 square cm
Answer:120 square cm
Step-by-step explanation:
40 x 3
The base of the mountain is 6,500 feet above sea level and AB measures 230 feet across. Given that the measurements for QAP is 20° and QBP is 35°, how far above sea level is peak P ? Express your answer to the nearest foot.
Height above sea level:
Answer:
6610
Step-by-step explanation:
We have tan(X) = opposite/ adjacent
tan(QBP) = PQ/BQ
tan(35) = PQ/BQ ---eq(1)
tan(QAP) = PQ/AQ
tan(20) = \(\frac{PQ}{AB +BQ}\)
\(=\frac{1}{\frac{AB+BQ}{PQ} } \\\\=\frac{1}{\frac{AB}{PQ} +\frac{BQ}{PQ} } \\\\= \frac{1}{\frac{230}{PQ} + tan(35)} \;\;\;(from\;eq(1))\\\\= \frac{1}{\frac{230 + PQ tan(35)}{PQ} } \\\\= \frac{PQ}{230+PQ tan(35)}\)
230*tan(20) + PQ*tan(20)*tan(35) = PQ
⇒ 230 tan(20) = PQ - PQ*tan(20)*tan(35)
⇒ 230 tan(20) = PQ[1 - tan(20)*tan(35)]
\(PQ = \frac{230 tan(20)}{1 - tan(20)tan(35)}\)
\(= \frac{230*0.36}{1 - 0.36*0.7}\\\\= \frac{82.8}{1-0.25} \\\\=\frac{82.8}{0.75} \\\\= 110.4\)
PQ = 110.4
≈110
Height above sea level = 6500 + PQ
6500 + 110
= 6610
In a factory, 50 out of 1,000 pens are found to be defective.
What percentage of the pens is defective?
O 0.05%
O 0.5%
O 5%
Giving brainliest!
x subtract 2 x subtract 2 multiply 3 in expression
Assuming you meant "x - 2(x - 2) * 3" as the expression, here is how you can simplify it:
x - 2(x - 2) * 3= x - 2(3x - 6) // Distribute the 2
= x - 6x + 12 // Distribute the -2
= -5x + 12 // Simplify
Therefore, the simplified expression is -5x + 12.
ANOTHER SCENARIOTo simplify the expression "x subtract 2 x subtract 2 multiply 3," we need to follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right).
First, we need to simplify the multiplication by 3 inside the parentheses:
x - 2x - 2(3)Next, we can simplify the subtraction of 2x:
-x - 2(3)
Finally, we can simplify the multiplication of 2 and 3:
-x - 6
Therefore, the simplified expression is "-x - 6".
Quadrilateral EFGH is an isosceles trapezoid with bases EH and FG. The measure of angle HGF is (9y + 3)°, and the measure of angle EFG is (8y + 5)°. What is the measure of angle HGF?
Answer:
21°
Step-by-step explanation:
In an sosceles trapezoid, the lower base and upper base angles are congurent
⇒ ∠HGF = ∠EFG
⇒ 9y + 3 = 8y + 5
⇒ 9y - 8y = 5 - 3
⇒ y = 2
⇒ ∠HGF = 9(2) + 3
= 18 + 3
= 21
The measure of angle HGF in the given isosceles trapezoid EFGH is calculated to be 21 degrees.
Explanation:This problem deals with the properties of an isosceles trapezoid, which is a type of quadrilateral. In an isosceles trapezoid, opposite angles are equal. In this case, angle EFG and angle HGF would be equal to each other given the shape is an isosceles trapezoid. So, their measures should be equal.
Here, the measure of angle HGF is given as (9y + 3)°, and the measure of angle EFG is (8y + 5)°. Setting these equal to each other to find the value of y, we get 9y + 3 = 8y + 5. By simplifying, we get the value of y is 2. Substituting the found value of y in angle HGF we get, 9*2+3 = 21 degrees.
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No
0.7
What’s the percentage
Answer: 70%
Step-by-step explanation:
0.7
----- x 100% = 70%
1
Answer:
70%
Step-by-step explanation:
When turning a decimal into a percent always bring the decimal point two places to the right.
0.7.0.
070%
70%
Write the ratio 1.5:9 in simplest form.
Answer:
1 : 6
Step-by-step explanation:
Jamal planted 53 fewer flowers than Heidi. Write an expression to show how many flowers Heidi planted.
Answer:
y = x + 53
Step-by-step explanation:
Let x be the number of flowers Jamal planted and y the number of flowers Heidi planted.
Jamal planted 53 fewer flowers than Heidi:
x = y - 53
Isolate the y.
x + 53 = y (Change the - sign to + sign when switching from different sides of an equation)
y = x + 53
Answer:\(j=h-53\)
Step-by-step explanation:
Let h be the number of flowers Heidi planted, and j the number for Jamal.
\(j=h-53\)
a.A restaurant bill is $21. You leave a 15% tip. How much do you pay including the tip? b. Which of the following represents the amount a customer pays including the tip of 15% if the bill was dollars? Select all that apply.
Answer:
$ 24.15
Step-by-step explanation:
100%= $21
(100+15)% =115% ×$21
(115/100)*21= 24.15$
If f(-5)=7 identify a point on the graph of f
Answer:
If f(-5) = 7, then the point P(-5, 7) will be on the graph of f
where -5 is the x-coordinate and 7 is the y-coordinate
Step-by-step explanation:
1,2,3,4,5 what is probability that an even number will be chosen?
Answer:
Step-by-step explanation:
step 1
100%/the total number = percent for one probability
100/5 = 20%
2 and 4 is even.
total even number * percent for one probability = total percent for even number
20% * 2 = 40%
therefore total even number is 40%
The probability is:
2/5Step-by-step explanation:
Remember the formula for probability:
\(\boxed{\!\!\boxed{\bold{Probability=\frac{Favourable~outcome}{total~outcomes}\quad}}\!\!}\)
In this case, the favourable outcome (an even number) is 2, because there are only 2 even numbers in the set.
As for the total outcomes, there are 5 of them, because we have 5 numbers total.
So the probability of choosing an even number is 2/5.
can somebody tell me the answer to this?
Answer:
∠AFB is adjacent
Jo has a 10 GB monthly cell phone plan. Jo has used 8 GB in the first 10 days of the month. At that rate, how many GB will Jo use after a month of 30 days?
Answer:
Step-by-step explanation:
1st 10 days - 8 GB
2nd 10 days - 8 GB
3rd 10 days - 8 GB
________________
30 days - 24 GB
Which graph shows the new position of the rectangle after a translation?
The graph that shows the new position of the rectangle after a translation is; Option C
How to interpret Translation in Transformation?When it comes to transformation in mathematics, there are different types such as reflection, dilation, rotation, translation.
Now, we are dealing with translation which is defined as a transformation of a shape in a plane that preserves the length, which tells us that the object is transformed without getting its dimensions affected.
In this case, we see the rectangle in the graph and we can conclude that the translation of the rectangle shows the correct translation would be the second option because it shows that the length is preserved without getting its dimensions or shape altered.
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Ind 59:
Your Mom can clean your entire house in 3 hours. However,
your dad takes 5
hours to clean the house. Determine how long it will take for them to clean the
house if they work together.
Answer:
It takes them 1.875 hours.
Step-by-step explanation:
Here, the job is cleaning the house.
Mom does 1 job in 3 hours.
In 1 hour, mom does 1/3 of the job.
Dad does 1 job in 5 hours.
In 1 hour, dad does 1/5 of the job.
Mom and dad working together do the job in x hours.
In 1 hour, mom and dad together do 1/x of the job.
1/3 + 1/5 = 1/x
5/15 + 3/15 = 1/x
8/15 = 1/x
8x = 15
x = 15/8 = 1.875
Answer: It takes them 1.875 hours.