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WITCHER [35]
3 years ago
9

Solve the inequality 5z+8≥-7

Mathematics
1 answer:
kirza4 [7]3 years ago
3 0

Answer:

z≥−3

Step-by-step explanation:

1 Subtract 88 from both sides.

5z≥−7−8

2 Simplify  -7-8−7−8  to  -15−15.

5z≥−15

3 Divide both sides by 55.  

z≥− 15/5

 

4 Simplify 15/5 to 3

z≥−3

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Can you solve the equation 2/3(4x-5)=8 by using the Division Property of Equality? Explain.
Nata [24]
To solve for X you need to simplify both sides on the equation 
<span><span><span>23</span><span>(<span><span>4x</span>−5</span>)</span></span>=8

</span><span><span><span><span>(<span>23</span>)</span><span>(<span>4x</span>)</span></span>+<span><span>(<span>23</span>)</span><span>(<span>−5</span>)</span></span></span>=8 *</span>Distribute*

<span><span><span><span>8/3</span>x</span>+<span><span>−10/</span>3</span></span>=<span>8

after that you add 10/3 on both sides 

</span></span><span><span><span><span><span>8/3</span>x</span>+<span><span>−10/</span>3</span></span>+10/3</span>=<span>8+10/3</span></span><span><span><span>8/3</span>x</span>=<span>34/<span>3

finally multiply 3/8 on both sides 
</span></span></span><span><span>(<span>3/8</span>) x </span><span>(<span><span>8/3</span>x</span>)</span></span>=<span><span>(<span>3/8</span>) x </span><span>(<span>34/3</span><span>)

and your answer should be 
X= 17/4
</span></span></span>
3 0
3 years ago
Given an expression such as 3x + 2y, find the value of the expression when x is equal to 4 and y is equal to 2.4 Given an expres
Reil [10]

Answer:

16.8

Step-by-step explanation:

3x+2y

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12+4.8

16.8

4 0
2 years ago
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What is the question you are trying to figure out?

The factor of x?
8 0
2 years ago
What is the decimal 0.84 (84 repeating) as a fraction? Help pretty please
mr_godi [17]

Answer:

28/33

Step-by-step explanation:

We first let 0.84 be  x.

Since  x  is recurring in 2 decimal places, we multiply it by 100.

100x=84.84

Next, we subtract them.

100x−x=84.84−0.84

99x=84

Lastly, we divide both sides by 99 to get  x  as a fraction.

x=84/99

=28/33

4 0
3 years ago
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arsen [322]

Answer:

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4 0
3 years ago
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