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solniwko [45]
3 years ago
12

2x+5=23 solve for each variable​

Mathematics
1 answer:
GalinKa [24]3 years ago
3 0

Answer:

x = 9

Step-by-step explanation:

23 - 5 = 18

18 ÷ 2 = 9......

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John, Sam & Rob were playing cards. John scored x points,Sam scored 3 fewer than John. Rob scored twice Sam's points. togeth
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Work Shown:

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. If A and B are two sets and A∪ B= A ∩ B, then
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7 0
3 years ago
In stage 2 of a rocket's takeoff, the speed of the rocket increases at a rate of 4.3% per minute. The speed of the rocket at the
Sveta_85 [38]

The correct option is:   B.  25000=5000(1.043)^t

<u><em>Explanation</em></u>

<u>The general form of growth equation</u> is:   A=P(1+r)^t , where A = final amount, P = initial amount, r = growth rate in decimal form and t = time duration

Here, the speed of the rocket at the beginning was 5,000 kilometers per hour and at the end will be 25,000 kilometers per hour. The speed increases at a rate of 4.3% per minute.

That means,  A= 25000 , P= 5000, r= 4.3\% = 0.043

Now <u>plugging these values into the above equation</u>, we will get......

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8 0
3 years ago
Read 2 more answers
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