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3 years ago

What is the midpoint of the line segment with the endpoints J(-9,-4) and K(7,8)?

Mathematics

1 answer:

12345 [234]3 years ago

7 0

Answer:

Step-by-step explanation:

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aev [14]

Answer:

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Step-by-step explanation:

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8 0

2 years ago

(1/27)^x-6=27 Could I please have a step by step as well? Much appreciated!

Andrei [34K]

Answer:

$x = 7$

Step-by-step explanation:

1) Use Division Distributive Property: (x/y)^a = x^a/y^a.

$\frac{1}{ {27}^{x - 8} } = 27$

2) Multiply both sides by 27^x - 8.

$1 = {27} \times 27^{1 + x - 8}$

3) Use the product rule: x^a x^b = x^a+b.

$1 = {27}^{1 + x - 8}$

4) Simplify 1 + x - 8 to x - 7.

$1 = {27}^{x - 7}$

5) Use Definition of Common Logarithm: b^a = x if and only if logb (x) = a.

$log_{27}1 = x - 7$

6) Use Change of Base Rule.

$\frac{ log_1 }{ log{27} } = x - 7$

7) Use rule of 1: log 1 = 0.

$\frac{0}{ log_{27}} = x - 7$

8) Simplify 0/log_27 to 0.

$0 = x - 7$

9) Add 7 to both sides.

$7 = x$

10) Switch sides.

$x = 7$

Therefor, the answer is x = 7.

5 0

3 years ago

P=2w(w+4)2w which eqatuion repsent w

almond37 [142]

Answer:

i don't know nothing about that

3 0

3 years ago

Read 2 more answers

¿A qué porcentaje corresponden 32 unidades de un total de 40?

mezya [45]

Answer:

Explicación paso a paso: 32 * 100 = 3,200. 3,200/40 = 80%. esa es la fórmula correcta para sacar este porcentaje

Step-by-step explanation:

8 0

2 years ago

Find the supplementary angle.

AleksAgata [21]

Answer:

x=146 degrees

Step-by-step explanation:

A supplementary angle is the conrisponding angle that adds to the other angle so it is 180. So 180-34= 146

4 0

3 years ago

Read 2 more answers