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2 years ago

How do you solve 6=3+5(y-2)

Mathematics

1 answer:

Harlamova29_29 [7]2 years ago

4 0

Answer:

y= 2,75

Step-by-step explanation:

6 = 3 + 5 (y-2)

6=8(y-2)

6/8=y-2

¾=y-2

0,75+2=y

y= 2,75

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2 years ago

A square with a side length of 18 inches is dilated by a scale factor of

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2 years ago

Please someone answer this please

gladu [14]

Option C:

$\frac{3 a^{2} b^{11}}{2 }$ is equivalent to the given expression.

Solution:

Given expression:

$$\frac{-18 a^{-2} b^{5}}{-12 a^{-4} b^{-6}}$

To find which expression is equivalent to the given expression.

$$\frac{-18 a^{-2} b^{5}}{-12 a^{-4} b^{-6}}$

Using exponent rule: $\frac{1}{a^m}=a^{-m}, \ \ \frac{1}{a^{-m}}=a^{m}$

$$=\frac{-18 a^{-2} b^{5}a^{4} b^{6}}{-12 }$

$$=\frac{-18 a^{-2} a^{4} b^{5} b^{6}}{-12 }$

Using exponent rule: ${a^m}\cdot{a^n}=a^{m+n}$

$$=\frac{-18 a^{(-2+4)} b^{(5+6)}}{-12 }$

$$=\frac{-18 a^{2} b^{11}}{-12 }$

Divide both numerator and denominator by the common factor –6.

$$=\frac{3 a^{2} b^{11}}{2 }$

$$\frac{-18 a^{-2} b^{5}}{-12 a^{-4} b^{-6}}=\frac{3 a^{2} b^{11}}{2 }$

Therefore, $\frac{3 a^{2} b^{11}}{2 }$ is equivalent to the given expression.

Hence Option C is the correct answer.

8 0

3 years ago

a rectangular field has a length of 485 meters and a width of 155 meters how much would it cost to fence the field at £14 a mete

Anna [14]

Answer:

£17920

Step-by-step explanation:

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6 0

3 years ago

e. The seats in a theatre are arranged so that each row accommodates four people more thanthe previous row. If the first row sea

Bezzdna [24]

Answer:

82 seats

Step-by-step explanation:

50+4x(number row - 1)

50+4x(9-1)

50+4x8

50+32

82 seats for the ninth row

6 0

2 years ago