3 years ago

Can someone help me

Mathematics

1 answer:

serg [7]3 years ago

4 0

Your answer is D. right

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15. The sides of a triangle are in the ratio of 3:8:7. If the perimeter of the triangle is 63 cm, how long is the shortest side?

goblinko [34]

Answer:

10.5cm

Step-by-step explanation:

3+8+7=18, this means that there are 18 parts assuming each part reprecents 1cm

63/18=3.5

so 1 part=3.5cm

3.5*3=10.5cm

4 0

2 years ago

A=1000 (1+0.06/4)^4x1

WARRIOR [948]

4373.77305577 the answer
Hope it is correct and like, mark as brainlest

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3 years ago

Add. (6x^2-2x)+(5x-7)

dolphi86 [110]

Answer:

6x^2 + 3x - 7

Step-by-step explanation:

6x^2 - 2x + 5x -7
6x^2 + 3x -7

it's easy..

8 0

2 years ago

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15. Solve for the specified variable: - х + 7 8 - 10; for y.

Andreyy89

Answer:

$y=80-\frac{8x}{7}$

Step-by-step explanation:

15). Given equation is,

$\frac{x}{7}+ \frac{y}{8}=10$

Multiply the equation by 8,

$8(\frac{x}{7}+ \frac{y}{8})=10\times 8$

$\frac{8x}{7}+y=80$

Subtract $\frac{8x}{7}$ from both the sides of the equation,

$\frac{8x}{7}+y-\frac{8x}{7}=80-\frac{8x}{7}$

$y=80-\frac{8x}{7}$

Therefore, value of the variable 'y' will be,

$y=80-\frac{8x}{7}$

3 0

2 years ago

Please help me answer this math question!

Sveta_85 [38]

The answer is B. If you would like an explanation just comment.

5 0

3 years ago