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ss7ja [257]
3 years ago
15

David had $30 to spend on three gifts.He spent 10 ¼ dollars on gifts A and 5 ⅘ dollars on gifts B.How much money did he have lef

t for gifts C.
Mathematics
1 answer:
Katen [24]3 years ago
6 0

Answer: $13.95

Step-by-step explanation:

1/4 of a Dollar is 25 cents

4/5 of a Dollar is 80 cents

30 - 10.25 = 19.75

19.75 - 5.80 = 13.95

David has $13.95 to spend of Gift C

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Find the x and the area of the shape perimeter is 64.5​
Umnica [9.8K]

Answer:

x=8

A = 192

Step-by-step explanation:

The perimeter is the sum of the outer lengths

17.9 + 22.6 + 3x = 64.5

Combine like terms

40.5 +3x = 64.5

Subtract 40.5 from each side

40.5 +3x -40.5 = 64.5 - 40.5

3x =24

Divide each side by 3

3x/3 = 24/3

x = 8

The area of a triangle is given by

A = 1/2 bh

The base is 3x = 3(8) =24

and the height is 2x = 2(8) =16

A = 1/2 (24) * 16

A =192

4 0
3 years ago
Which of the following values of y makes the equation 4y squared - 7y = 15 true?
uranmaximum [27]

Answer:

C) y=3

Step-by-step explanation:

4y squared - 7y = 15

4(3) squared -7(3)=15

4(9) -7(3)=15

39-21=15

15=15

7 0
2 years ago
<img src="https://tex.z-dn.net/?f=if%20%5C%3A%20100%20%7B%20%5C%3A%20%20%7D%5E%7B2%7D%20%20%5C%3A%20%20%3D%20251p%20%5C%3A%20sol
Nikolay [14]
= 39.84
:
100^2=251
10000=251
ℎ
251 ℎ
10000/251=251/251
39.84=1
39.84=
8 0
3 years ago
Read 2 more answers
Plz Help!!!<br> Will Give Brainliest to the First Person that answers!!!
notsponge [240]

Answer:

20

Step-by-step explanation:

3 0
3 years ago
Please help me, I’m struggling!
Leno4ka [110]

Answer:

Multiply the numbers until you get the same denominator (Bottom number) for both fractions. I will do #1 to show you.

1/3    1/2

Both 3 and 2 go into 6, so I will use that.

When multiplying the bottom , you have to do the same to the top, so...

2/6  OR  3/6

3/6 is greater, so that is the answer.

Therefore, 1/2 is more

Another way you can do this is to draw a pizza, a section off parts of it according to the fractions.

Hope this helped.

3 0
3 years ago
Read 2 more answers
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