8th grade math, please help…

Mathematics

1 answer:

sergey [27]2 years ago

8 0

The measure of PMU is 56° and the measure of UPM is 62

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Plz help im bad at this type of math

aleksandrvk [35]

X + 14 + x + 14 = 17 + x + 7
2x + 28 = 24 + x
2x - x = 24 - 28
x = -4

DF = x + 14
= (-4) + 14
= 10

6 0

3 years ago

What is the value of 8 to the third power + 5x when x = 12

loris [4]

572 im pretty sure thats it

5 0

3 years ago

Read 2 more answers

Which equation shows a valid step in solving /2x-6+2x+6=0?

AfilCa [17]

An equation which shows a valid step that can be used to solve the given mathematical equation is $(\sqrt[3]{2x - 6})^3 = (-\sqrt[3]{2x + 6})^3$

<h3>What is an equation?</h3>

An equation simply refers to a mathematical expression that can be used to show the relationship existing between two (2) or more numerical quantities.

In this exercise, you're required to show a valid step which can be used to solve the given mathematical equation. Since both equations are having a cube root, the first step is to take the cube of both sides.

Take the cube of both sides, we have:

$\sqrt[3]{2x - 6} + \sqrt[3]{2x + 6} = 0\\\\(\sqrt[3]{2x - 6})^3 + (\sqrt[3]{2x + 6})^3 = 0^3\\\\(\sqrt[3]{2x - 6})^3 = (-\sqrt[3]{2x + 6})^3$