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timofeeve [1]
3 years ago
11

a clothing store is having on shirts and jeans. four shirts and two pairs of jeans cost $72. Five shirts and three pair of jeans

cost $99.
Mathematics
1 answer:
Mars2501 [29]3 years ago
6 0

Answer:

Step-by-step explanation:

s= shirts

j= jeans

4s + 2j = 72

5s + 3j = 99

10s + 6j = 198

-12s - 6j = -216

-2s = -18

s = $9

4(9) + 2j = 72

36 + 2j = 72

2j = 36

j = $18

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A video game box is 15 inches long and 10
Bumek [7]

Answer:

The box is 5 inches tall

Step-by-step explanation:

The given dimensions of the video games are;

The length of the video game, L = 15 inches

The width of the video game, W = 10 inches

The volume of the video game box, V = 750 cubic inches

Assuming that the shape of the video game box is a cuboid, we have;

The formula for the volume of a cuboid, V = Length, L × Width, W × Height, H

∴ V = L × W × H

The height of the cuboid, H = V/(L × W)...(1)

Where, for the video game box;

L = Length = 15 in.

W = Width = 10 in.

V = Volume = 750 in.³

Plugging in the values of the variables in equation (1) gives;

H =  V/(L × W) = 750 in.³/(15 in. × 10 in.) = 5 in.

The height of the box, H = 5 inches.

5 0
3 years ago
mrs. miller bought 3 large pizzas for the class. each pizza had 8 slices. at the end of the day , the 5 fifth grade teachers eac
anastassius [24]

Answer:

19 Slices.

Step-by-step explanation:

The number number of Pizzas = 3

Each Pizza had = 8 Slices

<u>Determining the Total number of Slices:</u>

Total no. of slices =Pizzas × Slices per Pizza

Total no. of Slices = 24

<u>Determining the number of slices Consumed by 5th Grade Teachers :</u>

Total no. of slices Consumed by the Teachers = 5 × 1

Total no. of slices Consumed by the Teachers = 5

<u>Total number of slices Consumed by the students:</u>

Total no. of slices Consumed by the students = Total slices - Slices consumed by teachers.

Total no. of slices Consumed by the students= 24 - 5

Total no. of slices Consumed by the students= 19

3 0
4 years ago
The equation of line S is y = 8x − 7 .
LenKa [72]

Answer:

y = 8x + 9

Step-by-step explanation:

Parallel lines have the same gradient,

So m = 8

y = 8x + c

When x = -1 ,y = 1

1 = 8(-1) + c

c = 9

y = 8x + 9

6 0
4 years ago
Read 2 more answers
Complete all show all your work <br> 40÷5 (2+11)=
Ulleksa [173]
40÷5 (2+11)
8 (13)
104
8 0
4 years ago
Read 2 more answers
Using the pythagorean theorem, calculate the length of the missing sides (c1, c2, c3)​
katrin [286]

Answer:

the Pythagorean theorem states:  a^2 + b^2 = c^2  

1) in this case a=18 and b1=25

18^2 + 25^2 = c1^2  

324 + 625 = c1^2

949 = c1^2

√949 = c1

cca. 30.8 = c1

2) in this case a=18 and b' = b2 - b1 = 40 - 25 = 15

in the picture im attaching i highlighted the triangles we are working with, and there you can clearly see that b' (the horizontal line at the bottom of the red tr.) is the difference between the lines b2 and b1

now you can use the same technique as in the first case, and the final answer will be cca. 23.4 = c2

3) in this case a=18 and b'' = b4 - b3 = 75 - 55 = 20

same thing as number 2, final answer cca. 26.9 = c3

4 0
3 years ago
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