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damaskus [11]
2 years ago
5

SOMEONE PLS HELP ME DO ALL for 100 points and BRAINLIEST. Show your work!

Mathematics
1 answer:
IRINA_888 [86]2 years ago
7 0
For 6 plug in 6 in the first line and then 10 on the line to the eighth then you can solve from there for x which should give you 8
X=8 for number 6
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There was a graph on the test
Sveta_85 [38]

Answer:

sanamakatulong syo pasensya ma baka Mali yan

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3 years ago
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2(x-3)+5=3(x-1) how to solve?<br>​
jasenka [17]

Answer:

2x-12+5=3x-3

1. subtract 3x-2x

-12+5=x-3

2.-12 add to 5

-7=x-3

3. add three to seven

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Step-by-step explanation:

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3 years ago
Sam spent a total of $90 at the grocery store. of this amount, he spent $72 on fruit. What percentage of the total did he spend
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Convert the Cartesian equation x 2 + y 2 + 2y = 0 to a polar equation.
Kisachek [45]
R2(<span>cos2</span>ϕ−<span>sin2</span>ϕ)−2rcosϕ=0<span><span>r2</span>(<span>cos2</span>⁡ϕ−<span>sin2</span>⁡ϕ)−2rcos⁡ϕ=0</span>

<span><span><span>r2</span>cos<span>(2ϕ)</span>−2rcosϕ=0</span><span><span>r2</span>cos⁡<span>(2ϕ)</span>−2rcos⁡ϕ=<span>0

Now </span></span></span> divide through by <span><span>r≠0</span><span>r≠0</span></span> and get

<span><span>rcos<span>2ϕ</span>−2cosϕ=0</span><span>rcos⁡<span>2ϕ</span>−2cos⁡ϕ=0</span></span>

or

<span><span>r=2<span><span>cosϕ</span><span>cos<span>2ϕ</span></span></span></span><span>r=2<span><span>cos⁡ϕ</span><span>cos⁡<span>2<span>ϕ</span></span></span></span></span></span>

3 0
2 years ago
=
Savatey [412]

Answer: 8 hours

Step-by-step explanation: First, find the unit rate. For one hour of work, she earns 0.05263157894. Multiply this number 152.

4 0
2 years ago
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