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4 years ago

Complete the equivalent fraction equation below. Blank over two equals two over blank equals blank over eight

Mathematics

1 answer:

podryga [215]4 years ago

5 0

1 over 2 equals 2 over 4 equals 4 over 8.
Hope this helps! :)

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Jack lives 12 miles from the ball park. He can padel his bike 10 miles in 30 minutes. How long will it take Jack to ride his bik

zalisa [80]

30min / 10 miles = 3min per mile

12 miles × 3min = 36 min to the ball park

6 0

3 years ago

What is the measure of ∠GJH?\ A. x = 19 B. x = 23 C. x = 48 D. x = 56

andrew11 [14]

Answer:

x = 19

Step-by-step explanation:

x + (x + 4) + (3x - 9) = 90°

Combine like terms

5x - 5 = 90

Add 5 on both sides

5x = 95°

Divide 5 on both sides

x = 19

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3 years ago

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The Suarez family paid $15.75 for 3 movie tickets. How much would they have paid for 12 tickets?

Serjik [45]

Answer:

$63

Step-by-step explanation:

15.75 / 3 = 5.25

5.25 is what each ticket was worth

5.25 * 12 = 63

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3 years ago

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In a survey of 200 publicly-traded companies, the average price-earnings ratio was 18.5 with a standard deviation of 8.2. When t

mamaluj [8]

Answer:

Null Hypothesis: H0:μ ≤ 16.8

Alternative Hypothesis: Ha: μ > 16.8

Step-by-step explanation:

We are told that affer testing the hypothesis (at the 5% level of significance), that the average price-earnings ratio increased from the past value of 16.8.

It means that the past value was not more than 16.8.

This follows that the null hypothesis is given as;

H0:μ ≤ 16.8

And since it has been discovered that the ratio increased from the past value of 16.8, the alternative hypothesis is;

Ha: μ > 16.8

5 0

3 years ago

I ready scientific notation help

Airida [17]

The required value is $2\times10^9$

Step-by-step explanation:

Weight of ants = $4\times10^{-3}$

Weight of elephant= $8\times10^6$

We need to find, the total weight of about how many ants equals to the weight of an oversized elephant.

The equation given is:

$4\times10^{-3} \times a = 8\times10^6$

We need to find a:

Solving:

$4\times10^{-3} \times a = 8\times10^6\\a=\frac{8\times10^6}{4\times10^{-3}}\\if \,\,10^a/10^-b \,\,then\,\, 10^{a+b}\\a=2\times10^{6+3} \\a=2\times10^9$

So, the required value is $2\times10^9$

Keywords: Scientific Notation

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4 0

3 years ago