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uranmaximum [27]
3 years ago
8

Problem Kiersten runs a website that helps people learn programming. Every month, Kiersten receives a subscription fee of $10\$1

0$10dollar sign, 10 from each of the subscribers to her website. Last month, the website had 100100100100 subscribers. This month, 30303030 new members joined the website, and 10101010 members cancelled their subscription. How much money will Kiersten's online business earn this month?
Mathematics
1 answer:
dolphi86 [110]3 years ago
4 0

Answer:

$1200

Step-by-step explanation:

Every month, Kiersten receives a subscription fee of $10 from each of the subscribers to her website.

Last month she had 100 subscribers. This month, 30 new subscribers joined and 10 members canceled their subscription. The amount of subscribers she has now is:

100 + 30 - 10 = 120

This means that this month, Kiersten will earn:

10 * 120 = $1200

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What fraction is equivalent to 3/10 and has a denominator of 100
rosijanka [135]

Answer:

30/100

Step-by-step explanation:

This should be relatively easy since if the denominator is 100 then x/100 has to = 3/10

Since the denominator 10 has to be 100, you multiply by 10.

3 x 10 = 30

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I need help i don't know how to do this i am stuck!!
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121/100 is the answer. it cant be simplified anymore
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2 years ago
-8 ( y + 4 ) = 10y + 4
maks197457 [2]
Let's solve your equation step-by-step.<span><span>−<span>8<span>(<span>y+4</span>)</span></span></span>=<span><span>10y</span>+4

</span></span>Step 1: Simplify both sides of the equation.<span><span>−<span>8<span>(<span>y+4</span>)</span></span></span>=<span><span>10y</span>+4

</span></span><span>Simplify: </span><span><span><span><span>(<span>−8</span>)</span><span>(y)</span></span>+<span><span>(<span>−8</span>)</span><span>(4)</span></span></span>=<span><span>10y</span>+4</span></span>(Distribute)<span><span><span><span>−<span>8y</span></span>+</span>−32</span>=<span><span>10y</span>+4</span></span><span><span><span>−<span>8y</span></span>−32</span>=<span><span>10y</span>+4

</span></span>Step 2: Subtract 10y from both sides.<span><span><span><span>−<span>8y</span></span>−32</span>−<span>10y</span></span>=<span><span><span>10y</span>+4</span>−<span>10y</span></span></span><span><span><span>−<span>18y</span></span>−32</span>=4

</span>Step 3: Add 32 to both sides.<span><span><span><span>−<span>18y</span></span>−32</span>+32</span>=<span>4+32</span></span><span><span>−<span>18y</span></span>=36

</span>Step 4: Divide both sides by -18.<span><span><span>−<span>18y</span></span><span>−18</span></span>=<span>36<span>−18</span></span></span><span>y=<span>−2

</span></span>Answer:<span>y=<span>−<span>2

Good luck mate :P
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