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3 years ago

Area of Composite Shapes (Trapezoids and Triangles)

Mathematics

1 answer:

dolphi86 [110]3 years ago

3 0

It is 8.7cm just trust me bro I got it right

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5 t-shirts cost £38.75. How much do 7 t-shirts cost?

antiseptic1488 [7]

Answer:

$54.25

Step-by-step explanation:

decide 38.75 by 5 to get what each cost then multiply by 7 to get your answer

4 0

3 years ago

Read 2 more answers

Follow the directions to solve the system of equations by elimination. 8x + 7y=39 4x – 14y = -68

harina [27]

Step-by-step explanation:

Hey there!

Here;

The equations are;

$8x + 7y = 39.......(i)$

$4x - 14y = - 68..........(ii)$

Multiplying equation (i) by 2.

16x + 14y = 78

4x - 14y = -68

20x = 10

$x = \frac{10}{20}$

x = 1/2.

Putting value of 'x' in equation (i).

$8 \times \frac{1}{2} + 7y = 39$

$4 + 7y = 39$

$7y = 3 9 - 4$

$y = \frac{35}{7}$

Therefore the value of y is 5.

Check:

Put value of x and y in equation (i).

8x + 7y = 39

$8 \times \frac{1}{2} + 7 \times 5 = 39$

$4 + 35 = 39$

$39 = 39$

(True).

Therefore, the solution is ; (1/2,5).

Hope it helps...

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4 years ago

Terry can run 15 miles in the same amount of time it takes mark to run 21 miles. If mark runs 2mph faster than terry, how fast d

Alisiya [41]

You need to multiply 21 *2

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3 years ago

PLLZZZZ HELP I WILL GIVE 50 POINTS

kati45 [8]

Answer:

Step-by-step explanation:

im sure is d please mark brainliest

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3 years ago

Draw a X over the multiples of 10. What digit do all multiples of 10 have in common?

nata0808 [166]

All multiples of 10 end in a zero besides the number zero. So 10, 20, 30 and so on....

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3 years ago