Mathematics Middle School

Find the scale factor.
Clues:
- Dimensions of Original Image: 5 inches x 7 inches
- Dimensions of Poster Space: 15 inches x 21 inches

The scale factor is _______

Show/explain your thinking in the space below.

Answers

Answer 1
The scale factor is 3.

5 x 3 is 15
7 x 3 is 21

Therefore they are both multiplied by 3
Answer 2
5times3 is 15. That’s what I got

Related Questions

While on a plane, Charlie counted the number of adults, children, and empty seats. 1/5 of the seats were occupied by children.
3/4 of the seats were occupied by adults.
10 seats were empty .

A. How many passenger seats were on the plane
B. Write how you figured it out

Answers

Answer:

200 seats

Step-by-step explanation:

Let s = numbers of seats

1/5s = children

3/4 s = adults

10 = empty

The total number of seats = children + adults + empty

s = 1/5s + 3/4s + 10

Subtract 1/5s and 3/4s from each side

s -1/5s -3/4s= 1/5s-1/5s + 3/4s-3/4s + 10

s - 1/5s - 3/4s = 10

Get a common denominator

20s/20 - 4s/20 -15s/20 = 10

Combine like terms

1s/20 = 10

Multiply each side by 20

s/20 *20 = 20*10

s = 200

Answer:

19 seats

Step-by-step explanation:

you take the denominators: 5,4, and 9

then you add them to get 19.

John received a 68%, 72%, and 85% on three of his math tests. After his fourth math test he now has a 79% average. What score did he have received on his fourth test?

A) 79%
B) 89%
C) 91%
D) 100%


PLEASE EXPLAIN WHY OR I WILL RATE TWO STARS!

Answers

Answer:

68+72+85=225

plus 79 =304 divided by 4 = 76

plus 89 =314 divided by 4 = 78.5

plus 91=316 divided by 4 = 79

so the answer is C

plz brainlest

Answer:

91%

Step-by-step explanation:

(0.68 + 0.72 + 0.85 + x)/4 = 0.79

(2.25 + x)/4 = 0.79

0.5625 + 1/4x = 0.79

1/4x = 0.2275

x = 0.91 = 91%

CAN ANYONE HELP ME PLEASE I FEEL DESPERATE AND I NEED THIS FOR TODAY
THX TO ANYONE WHO HELPS AND WILL GIVE 20 POINTS FOR ANSWERING

Answers

Answer:

1 is I x=3.9

2 is B x=6.486

3 is E x=1/6

4 is H x=8

2/3 a - 1/6 = 1/3

answer this math question asap pls​

Answers

Answer:

a=3/4

Step-by-step explanation:

1. Get 2/3a by itself.

•Turn 1/3 to 2/6 by multiplying 1/3 by 2/2.

•Because you only add and subtract like denominators

This will make it look like:

2/3a - 1/6 = 2/6

Then, add 1/6 to both sides to get 2/3a by itself.

It'll look like this:

2/3a = 3/6

2. Get a by itself.

•Multiply the reciprocal (opposite) of 2/3 to get a alone.

This will look like:

(3/2) • 2/3a = (3/2) • 3/6

a = 18/24

3. Simplify.

Find the largest number that can simplify the equation.

For example, 18 ÷ 3 = 6, and 24 ÷ 3 = 8.

But the largest number you can divide both sides by is 6.

18 ÷ 6 = 3 and 24 ÷ 6 = 4.

3/4.

the answer is a= 3/4

Please help. Correct answer will be marked brainliest

Answers

Answer: I think its 12 (could be wrong)

Step-by-step explanation:

12*16 in area is 96

6. −7(x−6)=−70

7. Solve for n *(4 Points) 9+n=−2

Answers

Answer:

6. x = 16

7. n = -11

Step-by-step explanation:

6. -7(x-6)=-70

= -7x + 42 = - 70

= - 7x = - 70 - 42

= -7x = -112

= -7x/-7 = -112-/7

= x = 16.

7. 9 + n= - 2

= n= -2 - 9

= n = -11

Brainliest have to be in the surface area

Answers

Answer: 375

the surface area for the whole shade is 375

explanation: you add the area of each shape
you can get 375 sq. units by adding

trying to get missing assignments done

Answers

Answer:

The answer to this question is B

Step-by-step explanation:

I hope it helps

4t = 1 5/8 t = ______

need some help on this aha, thanks :)

Answers

hopefully this helped ! i only had a sticky pad close

Bob and John went to the candy store. Bob bought 5 pieces of fudge and 3 pieces of bubble gum for a total of $5.25. John bought 2 pieces of fudge and 3 pieces of bubble gum for a total of $3.00. What was the cost of the fudge and the gum?

Answers

1 fudge in 0.75$ 1 gum in 0.50
Explanation I don’t know

help me with this please​

Answers

Answer:

ok dscaad

Step-by-step explanation:

ok rgeddx

it’s 2 i think i hope this helps

all thats the same

thank you :p

Answers

Answer:

ac and d are simluar to each other

Step-by-step explanation:

they all have a length that is a multiple of 4 and a width with a multipe of 5

Answer:

Figure A, B, and C are all similar.

Step-by-step explanation:

4/5 is the simplest length and width here. The other figures have the larger lengths that increase at the same rate.

2b to the third power +5 when b=3
I need the answer like now pls

Answers

Answer:

[tex]{ \tt{2b {}^{3} + 5}} \\ = { \tt{2 {(3)}^{3} + 5 }} \\ = { \tt{59}}[/tex]

Answer:

59

Step-by-step explanation:

We know, b=3

So, 2b³+5

= 2×3³+5

=54+5

=59/ (Ans.)

Of 15 people, 9 wore sandshoes, 8 wore shorts and 3 wore neither sandshoes nor shorts
1. How many people wore both sandshoes and shorts?
2. How many people wore shorts but not sandshoes?

Answers

Answer:

1. 0 2. 8

Step-by-step explanation:

Answer:

1. 0

2. 8

Step-by-step explanation:

Which rule about the sign of the quotient of positive and negative decimals is correct?

Answers

Answer:

negative decimal

Step-by-step explanation:

A positive decimal divided by a negative decimal is always a negative decimal

Answer:

Even though you didn't show the answer choices heres something that might help: A negative sign multiplied by another negative sign would give you a positive sign.

Step-by-step explanation:

help me please best answer gets brainiest.

Answers

Answer:

(a) because the median is 15 in both

Step-by-step explanation:

The answer is A , the reason is because the median is 15 in both slots

Sara decides to bottle 1/3 of her milk. She pours the milk evenly among 5 bottles. What fraction of her milk will she put in each bottle? *

5 1/3
15
1/15
2/3


Thanks!!!!

Answers

Answer:

Is 1/15

Explicación:

Ya que dividiendo 1/3 para 5 das 1/15.

Since dividing 1/3 for 5 gives 1/15.

1/15 because you would divide this right well nope you do kcf aka keep change flip and 5/1 would now be 1/5 and you changed division to multiplication so it looks like this 1/3x1/5

A Middle School takes a poll to find out what students want to eat at lunch. 70 students from 8th Grade are randomly chosen to answer the poll questions. Identify the population and sample?

Answers

Answer:

population: 8th grade

sample: 70

Population of middle school is 8th grade and sample is 70.

Here, 70 students from 8th grade are randomly chosen to answer the poll questions for find out what student want to eat at lunch.

What is population?

Population is known as a group of individuals, objects, events, organizations etc.

In middle school 70 students are chosen to answer the poll question.

So sample of middle school is 70 and population is 8th grade.

Learn more about the Population visit:

https://brainly.com/question/13799939

#SPJ1

(Trigonometry question)

Answers

Answer:

is the answer 7/25 ? i got 7/25

Answer:

7/25 is the answer

Step-by-step explanation:

sin ○ = opp/ hyp

sin ○ = 7 /25

In Triangle OPQ, Side PQ ≅ Side OP, and ∠O=37°. Find ∠P.

Answers

If side Op and PQ are the same their angle measurements are also the same so we have 37+37+P=180
74+P=180
P=180-74
P=106
So

Well u just say that q and o are the same if they are then u do 37+37-180=p

21/ 21 What is the equivalent​ decimal?

Answers

Answer:

1

Step-by-step explanation:

21/21 is whole and the a whole as a whole number is equivalent to 1.

21/21 is a whole number so Im pretty sure it’s 1

ILL GIVE YOU BRAINLEST please help!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

perimeter

Step-by-step explanation:

trust me

Answer:

❍ Volume

Step-by-step explanation:

Volume is the amount of space occupied by object. Volume is used for the measuring the capacity of object.

Refer to the image below.

Answers

Answer:

Median and mode because it is the digit in the middle aka the median and because it is the number that it is the most repeated aka the mode

Step-by-step explanation:

Answer: mode and median

Look at the image. pls help. pls pls pls pls!!1!1!!1!1!111

Answers

Answer:

there are exactly 3 acute triangles

Find the range of the following list of numbers:
62, 59, 59, 61, 70, 120, 62, 70, 62, 65

59
61
69
62

Answers

Answer:

The range is 61.

Step-by-step explanation:

The range is the difference between the highest and lowest number. 120 is the highest, 59 is the lowest, you subtract them and get your final answer of 61.

According to my a calculations you answer will be 3 because you will subtract the first and last number

Answer for free Brainly coins and brainliest later URGENT! :)

Answers

Answer:

36

Step-by-step explanation:

Answer:

In total there are 36 girls.

Step by step explanation:

We apply the proportion.

for every 2 boys there are 3 girls, therefore the rule of three simple applies.

2 boys 3 girls

  Boys ??? girls

it is multiplied crossed where both ends have data, and the result is divided by the remaining number, being:

3 x 24 = 72

72/2 = 36

Explain and answer pls :)

Answers

36 is the only logical answer

Answer:

first write boys/girls=2/3 then we know there are 24 boys so; 2/3=24/girls .so we have 24×3/2=36= girls number.

PLS answer i have 9 minutes!

Answers

They are linear pair of angles.

So,

107° + x = 180°

=> x = 180° - 107°

=> x = 73°

Answer:

x = 73°

Step-by-step explanation:

angle = straight angle

straight angle = 180°

180° - 107° = 73°

What is the perimeter of the parallelogram?

Answers

Answer:

16

Step-by-step explanation:

4units x 4units = 16

I got 16. I think it’s the correct answer

Chrsitine's jewelry box is shaped like a rectangular prism. It is 8 1/2 inches long, 4 inches wide, and 6 inches tall. Which equation can you use to find the volume of the jewelry box?

Answers

Answer:

Step-by-step explanation:

Adding would be 12 and multiplying would be 48

It would be
(8 1/2 • 4)) • 6
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