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3 years ago

Solve for v. 9v – v = 8

Mathematics

2 answers:

fiasKO [112]3 years ago

4 0

8v=8
v=1. answer.......

lorasvet [3.4K]3 years ago

4 0

9v-v=8
v= 1
hope this helps

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IceJOKER [234]

Answer:

a) 1

b) 1

c) Yes, because anything to the power of 0 is 1 so a is 1 and for b, you subtract the bottom exponent from the top exponent so you end up with 11^0 which like i mentioned is 1.

Step-by-step explanation:

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3 years ago

The ratio of the perimeters of two similar triangles is 4:7. What is the area of each of these triangles if the sum of their are

Mashcka [7]

Answer:

The area of triangles are 16 cm^2 and 49 cm^2

Step-by-step explanation:

we know that

If two figures are similar, the ratio of its perimeters is equal to the scale factor and the ratio of its areas is equal to the scale factor squared

Let

z ----> the scale factor

x ----> the area of the smaller triangle in square centimeters

y ----> the area of the larger triangle in square centimeters

we know that

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$\frac{x}{y}=(\frac{4}{7})^2$

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solve the system by substitution

substitute equation A in equation B

$\frac{16}{49}y+y=65$

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$\frac{65}{49}y=65$

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$x=\frac{16}{49}(49)$

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