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sleet_krkn [62]
3 years ago
8

How can I solve and start ?

Mathematics
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!

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

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!

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

Hope This Helped! Good Luck!

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Both Susana and Greg love to collect stamps. Greg has 70 stamps and Susana has 50
defon

Answer:

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Step-by-step explanation:

70-50 is 20

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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

4 0
2 years ago
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