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olchik [2.2K]
4 years ago
10

Which ratio forms a proportion with 16/20

Mathematics
2 answers:
zhenek [66]4 years ago
7 0
4/5 is equivalent to the fraction 16/20
Harman [31]4 years ago
5 0

Answer:

4/5 forms a proportion with 16/20.

Step-by-step explanation:

We are given an rational number as 16/20.

we have to find another rational number which is equivalent to it.

as both 16 and 20 are multiple of 4 we could also represent the ratio 16/20 as:

\frac{16}{20}=\frac{4 \times 4}{4\times5}

we cancel 4 on both the numerator and denominator to get \frac{4}{5}.

Hence,  the ratio \frac{4}{5} is proportion with \frac{16}{20}.


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Solve this equation:
jek_recluse [69]

Answer:

b. All real numbers

Step-by-step explanation:

Simplify:

  • 5(x-2) = (15x+6)/(3) - 12
  • 5x - 10 = 5x + 2 - 12
  • 5x - 10 = 5x - 10
  • -10 = -10
  • 0 = 0

Since both sides are equal to each other, any value of x makes this equation true.

7 0
2 years ago
Suppose human weights are normally distributed with mean 175 and standard deviation 36 pounds. A helicopter is evacuating people
Anuta_ua [19.1K]

Answer:

0.9812

Step-by-step explanation:

Given that human weights are normally distributed with mean 175 and standard deviation 36 pounds

For a sample of 9 people std error of sample would be

\frac{36}{\sqrt{9} } =12

Thus we find that sample mean is N(175, 12)

The plane will lift safely if sample average <200 pounds

i.e. Probability that it can safely lift off (i.e., the average weight of a person in the helicopter is less than 200)

= P(\bar x

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8 0
3 years ago
Y = 1.5x + 1<br> y = -0.25x - 6
solmaris [256]

Answer:

x=−2.181818

Step-by-step explanation:

7 0
3 years ago
While on vacation in Mexico Jeremiah reads a distance marker that indicates he is 89 kilometers from Juárez.If 1mile is approxim
Monica [59]

Answer:

55.27 miles

Step-by-step explanation:

Hello, I think I can help you with this

you can easily solve this by using a simple rule of three

Step one

If 1 mile is approximately 1.61 kilometers,it is

1 miles ⇔ 1.61 Kilometers

the, how many miles(x) are 89 km?

x ⇔  89 kilometers

the relation is

\frac{1\ mile}{1.61\ km}=\frac{x}{89\ km} \\

Step two

solve for x( isolating x)

\frac{1\ mile}{1.61\ km}=\frac{x}{89\ km} \\\frac{1\ mile*89\ km}{1.61\ km}=x\\x=55.27\ miles

55.27 miles

Have a good day

5 0
3 years ago
. Kerry and Tya are sharing a pack of s tickers. Each girl gets 11 stickers. Write and solve a division equation to find how man
nata0808 [166]

Answer: 22 divided by 2 = 11

Step-by-step explanation:

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4 years ago
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