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MakcuM [25]
3 years ago
7

3. What value of makes a true equivalent fraction statement. 5 30 54 C

Mathematics
2 answers:
VashaNatasha [74]3 years ago
5 0

Answer:

x = 9

Step-by-step explanation:

We need to find x which will make an equivalent fraction statement.

\frac{5}{x} = \frac{30}{54}

5 x 6 = 30

x x 6 = 54 (to find x we should do 54 ÷ 6 which = 9)

So:

\frac{5}{6} = \frac{30}{54}

x = 9

hope this helps :)

kakasveta [241]3 years ago
5 0
Answer is 9
5x6 is 30
9x 6 is 54
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A radioactive substance decays exponentially. A scientist begins with 110 milligrams of a radioactive substance. After 20 hours,
SpyIntel [72]

Answer:

  44.7 mg

Step-by-step explanation:

The equation for exponential decay can be written in the form ...

  y = a·b^(t/p)

where 'a' is the initial value, 'b' is the decay factor, 'p' is the period over which the decay factor is applicable, and t is time in the same units as p.

<h3>Setup</h3>

Using the above equation, we have ...

  a = initial value = 110 mg

  b = decay factor = 55/110 = 1/2 over time period p=20 hours

Then the equation is ...

  y = 110·(1/2)^(t/20) . . . . amount remaining after t hours

<h3>Solution</h3>

We want the amount remaining after 26 hours. That will be ...

  y = 110·(1/2)^(26/20) ≈ 44.67

About 44.7 milligrams will remain after 26 hours.

4 0
1 year ago
I don’t know how to solve for p.
kumpel [21]

Answer:

p=12

Step-by-step explanation:

DBC = 180

ABE = 180

ABC + DBA = 180

ABC = (5p -28)

DBA + (12p -4)

CBD = ABC + DBA = 180

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

180 = (5p - 28) + (12p + 4)

180 = 17p - 24

204 = 17p

12 = p

p = 12

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

180 = (5(12) - 28) + (12(12) +4)

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180 = 180

4 0
3 years ago
What is the slope of the line that passes through the points (10,5)and (15,20)
kupik [55]

Answer:

<h2>The answer is 3</h2>

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

m =  \frac{ y_2 - y _ 1}{x_ 2 - x_ 1}  \\

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From the question the points are

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The slope is

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We have the final answer as

<h2>3</h2>

Hope this helps you

8 0
3 years ago
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love history [14]
This can either be done by multiplying with 125% (1.25) or, by dividing by dividing on 4 and adding a part.

This is the easiest way, tho.

60*1.25=75

The correct answer is 75 mph.

4 0
3 years ago
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Point d 7,3 point c 6,7 point b 1,5 point a 0,2 I took this quiz got 100Answer:

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2 years ago
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