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sleet_krkn [62]

3 years ago

8

How can I solve and start ?

1 answer:

dsp733 years ago

6 0

Ok so u have to set them equal to 180 bc they r supp lines so 1.15+x=180 sub 15 from both sides x=165
2.28+x-4=180 combine like terms 28-4=24 rewrite 24+x=180 den sub 24 from both sides x=156
I will put the rest in the comments if you still don't know

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A phone company uses the equation y = 0.15x + 10 to find y, the monthly charge for a customer sending x text

olasank [31]

Hey!

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Solution:

77.50 = 0.15x + 10

77.50 - 10 + 0.15x + 10 - 10

67.50 = 0.15x

0.15x = 67.50

0.15x/0.15 = 67.50/0.015

x = 450

---------------------------------------

Check:

77.50 = 0.15(450) + 10

77.50 = 67.50 + 10

77.50 = 77.50

---------------------------------------

Answer:

450 text messages can be sent when the monthly charge is $77.50!

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Hope This Helped! Good Luck!

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What is the simplified form of the following expression? 5 StartRoot 8 EndRoot minus StartRoot 18 EndRoot minus 2 StartRoot 2 En

qaws [65]

The simplified form of the given expression is $5\sqrt{2}$ .

Given expression,

$5\sqrt{8} - \sqrt{18} - 2 \sqrt{2}$ .

We have to simplify the above expression.

So, $5\sqrt{8} - \sqrt{18} - 2 \sqrt{2}\\$

First solve for the square root,

$5\sqrt{2\times2\times2} -\sqrt{3\times3\times2} -2\sqrt{2} \\\\10\sqrt{2} -3\sqrt{2}-2\sqrt{2} \\$

$7\sqrt{2} -2\sqrt{2}$

$5\sqrt{2}$

Hence the simplified form of the given expression is $5\sqrt{2}$ .

For more details follow the link:

brainly.com/question/2719671

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2 years ago