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nordsb [41]
3 years ago
7

3. Ann wants to paste 18 posters on her bedroom wall. She wants to put the same

Mathematics
1 answer:
nekit [7.7K]3 years ago
3 0

Answer:

9

Step-by-step explanation:

18÷2=9

So, Ann could have 9 rows of posters with 2 posters in each row.

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Ten members of the academic team went to a local restaurant after their contest. Each meal combo that came with soda cost $6.75,
Aneli [31]

Answer:

7 ordered with Soda;

3 ordered with water

Step-by-step explanation:

Given

m \to With water

n \to With Soda

So:

m + n =10 --- total

5m + 6.75n = 62.25 -- cost

Required

Find m and n

m + n =10

Make m the subject

m = 10 - n

Substitute m = 10 - n in 5m + 6.75n = 62.25

5(10-n) +6.75n = 62.25

50-5n +6.75n = 62.25

Collect like terms

-5n +6.75n = 62.25 - 50

-5n +6.75n = 12.25

1.75n = 12.25

Solve for n

n = 12.25/1.75

n = 7

m = 10 - n

m = 10 - 7

m =3

8 0
3 years ago
Solve #1 pls, I need to find the shortest side, median side, and longest side
Lisa [10]

Answer:

Shortest side = 39 cm.

Median side = 65 cm.

Longest side = 91 cm.

Step-by-step explanation:

The perimeter in total is 195 cm. The ratio of the sides are 3 : 5 : 7.

First, find how much parts there are as a whole, by combining the ratios:

3 + 5 + 7 = 15 parts.

Divide the total of parts from the total measurement:

195/15 = 13

Each part has the measurement of 13 cm.

1 part = 13 cm.

Use the following ratio to solve for each of the sides:

Shortest side: 3

3 x 13 = 39

Shortest side = 39 cm.

Median side: 5

5 x 13 = 65

Median side = 65 cm.

Longest side: 7

7 x 13 = 91

Longest side = 91 cm.

Check. Combine all side measurements together. They should equal 195:

39 + 65 + 91 = 195

(39 + 65) + 91 = 195

(104) + 91 = 195

195 = 195 (True).

~

8 0
4 years ago
Mr. Jones sent his kids to Mt. Olympus. He gave each of his 5 children money for the day that included money for 4 drinks, 3 san
mihalych1998 [28]

Answer:

195

Step-by-step explanation:

4 drinks = 1.5 * 4 = 6.

3 sandwiches = 2 * 3 = 6

2 treats = 1 * 2 = 2

$6+$6+$2+$25 = 39

Multiply by 5 for each kid

39*5=195

6 0
3 years ago
Suppose that G(X) = F(x + 2). Which statement best compares the graph of
nignag [31]

Answer:

A

Step-by-step explanation:

If you have to add 2 to X to get it back to the original, it started out 2 to the left.  (It would seem like it ought to be C, but when you add an subtract from the x value in functions, it's opposite of what you might think.)

6 0
3 years ago
What is 0.31 written as a percent?
aalyn [17]
It is 31%.

To explain, you have to just have to multiply 0.31 by 100, and then add a percentage sign.
7 0
4 years ago
Read 2 more answers
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