Answer:
The total square kilometers is 299.
Step-by-step explanation:
Area equals length times width.
Answer:
299km
Step-by-step explanation:
Area= LxW
13x23=299
so your answer would be 299 square kilometers!
After watching baking shows on T.V., Angie signs up for a cake-decorating class. To practice her new skills, she decorates a batch of cupcakes with sugar flowers. Angie puts 4 sugar flowers on each cupcake. In all, Angie puts 32 sugar flowers on the cupcakes.
Which equation can you use to find the number of cupcakes c Angie decorates?
Solve this equation for c to find the number of cupcakes Angie decorates.
Angie decorates 8 cupcakes after putting 4 sugar flowers on each cupcake.
To find the number of cupcakes c Angie decorates, we can use the equation:4c = 32where 'c' is the number of cupcakes Angie decorates.
4 represents the number of sugar flowers Angie puts on each cupcake, and 32 is the total number of sugar flowers Angie puts on the cupcakes.
To solve this equation for c, we need to isolate c on one side of the equation. We can do this by dividing both sides of the equation by 4. This gives us:c = 8
Therefore, Angie decorates 8 cupcakes.Here's how we get to this answer:4c = 32Divide both sides by 4 to isolate c:c/4 = 32/4c = 8
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If m 3=74, find each measure.
Answer:
Ok, So....
Step-by-step explanation:
Since m3=74 that must mean that m4 and m1 are 74 because they are vertical angles. and since m2 is a vertical angle of m1 it is also 74. Then you have m8 m6 m7 m5 which are suplementary to them meaning they sum to 180 and since m3+m8=180, 74+m8=180. m8=180-74.
m8=m7=m6=m5= 106
I hope this helped!
The point where two lines meet is known as an angle.
From the diagram shown, we can see that l is parallel to m
Given
m<3 = 74Based on geometry:
m<3 = m<4 = 74 degrees (vertically opposite)
m<3 = m<1 = 74 degrees (corresponding angles)
m<1 = m<2 = 74degrees (vertically opposite angles)
m<1 and <6 are supplementary, that is:
m<1 + m<6 = 180
74 + m<6 = 180
m<6 = 180 - 74
m<6 = 106degrees
Similarly:
m<2 and <5 are supplementary, that is:
m<2 + m<5 = 180
74 + m<5 = 180
m<5 = 180 - 74
m<5 = 106degrees
Also, m<4 and <7 are supplementary, that is:
m<4 + m<7 = 180
74 + m<7 = 180
m<7 = 180 - 74
m<7 = 106degrees
m<7 = m<8 = 108 degrees (vertically opposite angles)
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Suppose the given confidence level is 85%, what is the corresponding z critical value?
he sold 50 chickens and 30 ducks for 550 and this monthhe sold 44 chickens and 36 ducks
Answer: Last month, he sold 50 chickens and 30 ducks for $550. This month, he sold 44 chickens and 36 ducks for $532. How much does each chicken ...
1 answer
·
Cost of one (chicken) = $8 Cost of one (duck) =$5 Explanation: Let c
Step-by-step explanation:
Please help me out don’t waste my question and explain your answer for I can believe you did just pick a random letter.
Answer:
A is the answer
What is the first step when simplifying 4+9/3
Answer:
You multiply 9 and 3 first which is and add 4
Step-by-step explanation:
What is 3x + 4 (−x − 5) when x = 5?
A −25
B −10
C 15
D 55
Answer:
A. -25
Step-by-step explanation:
3x + 4 (-x - 5)
3x + 4 (-10)
15+4(-10)
15 + (-40)= -25
Sadie is younger than Guadalupe. Their ages are consecutive integers. Find Sadie's age if the sum of the square of Sadie's age and 5 times Guadalupe's age is 71.
The age of Sadie is 6 years.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Let x be the age of Sadie
x+1 be the age of Guadalupe
The sum of the square of Sadie's age and 5 times Guadalupe's age is 71.
x² +5(x+1)=71
x² +5x+5=71
x² +5x-66=0
Factor out the expression.
x²+11x-6x-66=0
x(x+11)-6(x+11)=0
(x-6)(x+11)=0
x=6 and x=-11
Hence, the age of Sadie is 6 years.
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Find the equation of a line parallel to −5x+y=−4that passes through the point (−7,−9).
The equation of the line is parallel to -5x+y=-4 and passes through the point (−7,−9) is y=5x+26.
Given that, the equation of the line is parallel to -5x+y=-4 and passes through the point (−7,−9).
The given equation can be written as y=5x-4.
Now, compare y=5x-4 with y=mx+c, we m=5
The slope of a line parallel to given line is m1=m2
So, the slope of the line parallel to the given line is 5.
Now, substitute m=5 and (x, y)=(-7, -9) in y=mx+c, we get
-9=5(-7)+c
c=-9+35
c=26
So, the equation is y=5x+26
Therefore, the equation of the line is parallel to -5x+y=-4 and passes through the point (−7,−9) is y=5x+26.
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The average wingspan of monarch butterflies at a butterfly preserve is 8.5 centimeters with a stan deviation of 0.4 centimeter. If the wingspans are normally distributed, what is the probability, to t nearest hundredth, that monarch butterflies have a wingspan longer than 8.8 centimeters?
If the average wingspan of monarch butterflies at a butterfly preserve is 8.5. the probability, to t nearest hundredth, that monarch butterflies have a wingspan longer than 8.8 centimeters is : 0.23.
How to find the probability?First step is to standardize the value of 8.8 centimeters using the z- score formula:
z = (x - mu) / sigma
where:
x = wingspan
mu = mean wingspan
sigma= standard deviation
z standardized score
Substituting the given values
z = (8.8 - 8.5) / 0.4
z = 0.75
So,
P(z > 0.75) = 1 - P(z <= 0.75)
Using a standard normal distribution table P(z <= 0.75) = 0.7734
P(z > 0.75) = 1 - P(z <= 0.75)
= 1 - 0.7734
= 0.2266
= 0.23 ( Approximately)
Therefore the probability is 0.23.
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Select the three pairs of numbers that 403 is between.
Answer:
1 and 403 13 and 31 13 and 31
Step-by-step explanation:
Divide 3m 80cm of ribbon in the ratio of 1/3 : 3/4 : 1/2 what is the result?
Answer:
80 cm / 180 cm / 120 cm
Step-by-step explanation:
the smallest common multiple of 3, 4 and 2 is 12.
so, to be able to truly compare these fractions we need to bring all denominators to .../12.
1/3 = 4/12
3/4 = 9/12
1/2 = 6/12
in total we have therefore 19 (4+9+6) equally large parts of the ribbon that are then combined :
4 parts for the first segment.
9 parts for the second segment
6 parts for the third segment.
so, one part is
380 cm / 19 = 20 cm
therefore the first segment of the ribbon is
4×20 = 80 cm long
the second segment
9×20 = 180 cm long
the third segment
6×20 = 120 cm long
Mookie Betts can run to first base (which is 90 feet) in 3.2 seconds. How fast would he run a 200 yard dash (there are 3 feet in 1 yard)?
Answer:
21.3 seconds
Step-by-step explanation:
PLS GIVE BRAINLIEST
Answer:
21.3 seconds
Step-by-step explanation:
600 ft (200 yds x 3) divided by 90 ft (length to a base) would be 6.6666667
6.6666667 times 3.2 equals 21.3
iinm
Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and the probability of obtaining a success. Round your answer to four decimal places.
P(X≤2), n=4, p=0.2
The number of trials and the probability of obtaining success will be given as P(X ≤ 2) = 0.9728.
How to find that a given condition can be modeled by binomial distribution?Binomial distributions consist of n independent Bernoulli trials.
Bernoulli trials are those trials which end up randomly either on success (with probability p) or on failures( with probability 1- p = q (say))
Suppose we have random variable X pertaining to a binomial distribution with parameters n and p, then it is written as
X \sim B(n,p)
The probability that out of n trials, there'd be x successes is given by
\(\rm P(X =x) = \: ^nC_xp^x(1-p)^{n-x}\)
Assume the random variable X has a binomial distribution with the given probability of obtaining success.
Then the number of trials and the probability of obtaining success will be
P(X ≤ 2), n = 4, p = 0.2
Then we get
\(\rm P(X =2) = \: ^4C_2(0.2)^2(1-0.2)^{4-2}\\\\P (X=2) = 6 \times 0.0256 \\\\P (X=2) = 0.1536\)
Then the cumulative probability will be
\(\rm P(X\leq 2) = 0.9728\)
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Sam's dad says he will pay a fraction of his mobile phone bill. Would Sam rather his dad paid 1/2 of the bill or the 1/3?
Answer:
matters
Step-by-step explanation:
if sam doesnt want his dad to spend a lot of money on him then 1/3
but if sam wants to pay less then 1/2
1/2 is more then 1/3
A city park is in the shape of a triangle where
the sides have lengths 170 m, 162 m, and
177 m. If a fence was built around the
perimeter of the park, how long would the
fence need to be?
Answer:
solution here
length
c=170
a=162
b=177
perimeter=?
now,
perimeter of triangle = a+b+c
=170+162+177
=511
perimeter=511 cm
perimeter = length of fence
therefore,the fence should be 511 cm long.
The length of the fence needed would be 509 meters.
What is a triangle?A triangle is a two - dimensional figure with three sides and three angles.The sum of the angles of the triangle is equal to 180 degrees.Given is that a city park is in the shape of a triangle where the sides have lengths 170 m, 162 m, and 177 m.
The length of the fence needed would be the perimeter of the triangle. We can write the perimeter of the triangle as -
P = sum of the side lengths
P = 170 + 162 + 177
P = 509 meters
Therefore, the length of the fence needed would be 509 meters.
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Last summer, Emma's family rented an RV. The rental fee allowed them to use the RV for 8 days. Emma's parents paid an additional $55 for the Great Outdoors upgrade, which included a grill to use for the duration of their trip. Emma's family paid $895 in all.
Which equation can you use to find the rental cost, d, of each day they used the RV?
The equation can you use to find the rental cost, d, of each day they used the RV is 895=8d+55
What does $895 comprises of?
The $895 paid for the duration of the trip consists of the payments for the RV for 8 days and additional amount of $55 which is for the outdoors upgrade.
The equation that can be used to determine rental cost per , d , per day considers that the total rental cost is number of days, 8 days multiply by the rental cost per day, which is d, and also that the final $55 is specifically for outdoors upgrade
Total cost=d*8+$55
Remember total cost of the trip is $895
$895=8d+$55
Which we can rewrite the expression by ignoring the dollar sign as below:
895=8d+55
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2x+4x-1/2=1
what is x??????
Survey of 140 people:
51 had a dog,
40 had a cat,
16 had a dog and a cat,
56 had neither a dog nor a cat nor a parakeet,
2 had a dog and a cat and a parakeet.
How many had a parakeet only?
Indicate the method you would use to prove the two 's . If no method applies, enter "none".
SSS
ASA
SAS
AAS
None
The method you would use to prove the two triangles are congruent include the following: B. ASA.
What are the properties of similar triangles?In Mathematics and Geometry, two (2) triangles are said to be similar when the ratio of their corresponding side lengths are equal and their corresponding angles are congruent.
Additionally, the lengths of corresponding sides are proportional to the lengths of corresponding altitudes when two (2) triangles are similar.
In Mathematics and Geometry, ASA is an abbreviation for Angle-Side- Angle and it states that when two (2) angles and their included side in two (2) triangles are congruent, then the triangles are said to be congruent.
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
you did not provide enough information to answer the question
A kennel has 150 dogs in total, some are puppies and some are adult dogs. The ratio of puppies to adult dogs in a kennel is 3 : 2. How many adult dogs are there?
Answer:
60
Step-by-step explanation:
puppies : adult dogs
3:2
total =150
then, 150/5*2
=60
The _________ of a hypothesis test is the probability (1minus beta) of rejecting a false null hypothesis.
Answer:
Power
Step-by-step explanation:
An hypothesis is usually formulated at the beginning of research, it is usually in line with the problem statement and gives the possible outcome.
An hypothesis is either accepted or rejected.
Power in hypothesis is the probability of rejecting null hypothesis when it is false. It helps in making a correct decision by rejecting the null hypothesis when it is not true.
power ranges between 0 to 1 when it is close to 1 it is said to be very strong and has the probability of rejecting a null hypothesis when it is not true.
Power helps to avoid a type II error in statistics.
Determine which ordered pair(s) lies on the function
f(x) = -25^x+1
[] (1, 625)
[] (0, -25)
[] (-1, -1)
1.3.1 1.3.2 1.3.3 1.3.4 Government receives income from various sources, like tax and loans. This income is then distributed to the different sectors. TABLE 3 below shows the source of the income and the expenditure for the 2019/20 tax year. SOURCE Tax INCOME Loans ASC QP Other income Non-tax income AMOUNT (in billion rand) 1370 242.7 180.3 31.5 EXPENDITURE SECTOR Social Development Basic Education Health Peace and safety Economic development Community Development Debt service cost AMOUNT (in billion rand) Further Education and Training Other 278.4 262.4 222.6 211.0 209.2 208.5 202.2 APRIL 2021 112.7 B 1823.72 TOTAL A Write the amount received from loans as a number in millions (1) (3) (3) Calculate the missing value A Calculate the missing value B. Show ALL calculations. Determine the amount allocated for Community Development as a percentage of the total expenditure. (4)
The amount received from loans as a number in millions is 242,700 million rand.
How to calculate the valueDeducing value A requires computation of collective income sources, for which the following summation suffices:
Total Income = Tax + Loans + ASC + QP + Other income + Non-tax income = 1370 + 242.7 + 180.3 + 31.5 + A + 0 = 1825.5 + A
In this context, it follows that A amounts to (1825.5 - 1370 - 242.7 - 180.3 - 31.5) = 0 million rand.
Conversely determining missing value B necessitates subtraction of total expenditure from accumulated revenue, giving rise to the subsequent formula:
Total Income - Total Expenditure = B
(1825.5 - 112.7 - 278.4 - 262.4 - 222.6 - 211.0 - 209.2 - 208.5 - 202.2 - 0) = B
Following calculation, B equates to -77.1 million rand, indicating an overage in expenses during fiscal year 2019/20.
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The following equation is true for all values of x. What number completes the equation?
Show your work.
5y + 2(3y − 1) = ⬜y − (y + 2)
The number that can complete the equation 5y + 2(3y − 1) = ⬜y − (y + 2) is
5y + 2(3y − 1) = 12 y − (y + 2)
How to find the number that can complete the equationThe number that can complete the equation is computed by simplifying the equation at the left hand side of the equality sign and comparing with the right side of the equality side
The comparison will show the number that can fit in the blank
Simplifying the equation at the left hand side of the equation
= 5y + 2(3y − 1)
= 5y + 6y − 2
= 11y - 2
Simplifying the equation at the right hand side of the equation
= ⬜y − (y + 2)
let x represent the missing number
= xy − (y + 2)
= xy − y - 2
comparing both equations
11y - 2 = xy − y - 2
11y = xy − y
11y + y = xy
12y = xy
x = 12
The missing value = 12
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Evaluate the expression.
38C1
Using the combination formula, choosing 1 item from a set of 38 items can be done in 38 ways.
We have,
The expression 38C1 represents choosing 1 item from a set of 38 items, without repetition and order being irrelevant.
We can calculate this using the combination formula:
nCr = n! / r!(n-r)!
Plugging in the values.
38C1 = 38! / 1!(38-1)! = 38! / 1!37!
Since 1! = 1, we can simplify this to:
38C1 = 38 / 1 = 38
Therefore,
Choosing 1 item from a set of 38 items can be done in 38 ways.
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Alexander is drawing a map of the Federal Triangle in Washington, D.C. The actual Federal Triangle has a base of 300030003000 feet and height of 120012001200 feet. Alexander needs his drawing to fit on his paper, so he decides to make the base of his triangle 101010 inches.
1. What scale is Alexander using?
2. What is the height of Alexander's triangle in inches?
Alexander is utilizing a scale of 1 inch : 300 feet for his map.
The Alexander's triangle has a height of 4 inches in inches.
How to determine the map's scaleWhen comparing the initial dimensions as used by alexander, the scale of the map may be determined.
The scale is 1 inch: 300 feet since he used 10 inches to symbolize 3000 feet, this is gotten by diving both sides by 10
Using the scale factor 1 inch: 300 feet, the height of 1200 feet would be.
300 feet per inch, then ? inch is 1200 feet
? * 300 = 1200 * 1
? = 1200 / 300
? = 4 inches
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Juan sold a bicycle at a discount of 15%. If the selling price was $340, find the usual price of the bicycle.
Answer: $400
Step-by-step explanation:
Discount = 15%
The original price/value of an item is always 100%
So selling price (%) = original price - discount = 100%-15% = 85%
We got selling price as 85%
This implies that 85% = 340
Let's find 1% first, then 100%
1% = 340÷85 = 4
100% = 4 × 100 = $400
The usual (normal/original) price is $400
Juan sold a bicycle at a discount of 15% if the selling price was $340 then the usual price of the bicycle was $400.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Let's represent the usual price of the bicycle by P.
Since Juan sold the bicycle at a discount of 15%, the selling price (S) would be 85% of the usual price (P).
We can express this relationship as an equation:
S = 0.85P
We also know that the selling price of the bicycle was $340.
Substituting S = $340 into the equation above, we get:
$340 = 0.85P
To find P, we can solve for it:
P = $340 / 0.85
P = $400
Therefore, the usual price of the bicycle was $400.
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If trapezoid JKLM is translated using the rule (x, y) → (x + 3, y − 3) and then translated using the rule (x, y) → (x − 1, y + 1) to create trapezoid J″K″L″M″, what is the location of L″?
The location of L″ is (-5, 0).
To find the location of L″, we first need to apply the first translation rule to the coordinates of trapezoid JKLM:
J': (x, y) → (x + 3, y - 3) => J'(-2+3, 1-3) = J(1, -2)
K': (x, y) → (x + 3, y - 3) => K'(1+3, 1-3) = K(4, -2)
L': (x, y) → (x + 3, y - 3) => L'(3+3, -2-3) = L(6, -5)
M': (x, y) → (x + 3, y - 3) => M'(-4+3, 2-3) = M(-1, -1)
Now, we need to apply the second translation rule to the coordinates of J', K', L', and M':
J'': (x, y) → (x - 1, y + 1) => J''(1-1, -2+1) = J''(0, -1)
K'': (x, y) → (x - 1, y + 1) => K''(4-1, -2+1) = K''(3, -1)
L'': (x, y) → (x - 1, y + 1) => L''(6-1, -5+1) = L''(5, -4)
M'': (x, y) → (x - 1, y + 1) => M''(-1-1, -1+1) = M''(-2, 0)
Therefore, the location of L″ is (-5, 0).
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Answer:
(5,-4)
Step-by-step explanation:
Jazeel drove less than 25 miles. Which
inequality represents this situation?