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3 years ago

13

Can someone please help me ASAP

1 answer:

ElenaW [278]3 years ago

3 0

Answer:

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Step-by-step explanation:

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Solve for x: 3x-2>5x+10

Pani-rosa [81]

Combine like terms:

3x-2>5x+10 becomes -12 > 2x

Dividing both sides by 2, we obtain x < -6

6 0

3 years ago

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If 10^2y = 25, then 10^-y equals:<br>(a) -1/5<br>(b) 1/625<br>(c) 1/50<br>(d) 1/25<br>(e) 1/5

Gemiola [76]

<h3><u>given</u><u>:</u></h3>

<u> $10 ^{2y} = 25$ </u>

<h3><u>to</u><u> </u><u>find</u><u>:</u></h3>

<u> ${10}^{y} = .......$ </u>

<h3><u>solution</u><u>:</u></h3>

<u> $10 ^{2y} = 25$ </u>

<u> $(10y {)}^{2} = {5}^{2}$ </u>

<u> $10y = 5$ </u>

<u> $\frac{1}{ {10}^{y} } = \frac{1}{5}$ </u>

<u> ${10}^{ - y} = \frac{1}{5}$ </u>

<u>therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>correct</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>option</u><u> </u><u>E</u><u>.</u>

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2 years ago

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Sergeeva-Olga [200]

Answer:

1.74%

Step-by-step explanation:

2.87-2.82=0.05

0.05/2.87=x/100

0.05x=287

x=1.74

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3 years ago

Which of these shows the result of using the first equation to substitute for y in the second equation then combing like terms

AnnyKZ [126]

$2x + 3y = 55$

$2x + 3(3x) = 55$

$2x + 9x = 55$

$11x = 55$

$\frac{11x}{11} = \frac{55}{11}$

x=5

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3 years ago

PLS HELP UNIT TEST WORTH 50 POINTSSSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Anettt [7]

Answer:

A

Step-by-step explanation:

-35 + 8 -27 (-27 is the depth

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3 years ago

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