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gregori [183]
4 years ago
11

Select two ratios that are equivalent to 2:9

Mathematics
2 answers:
aev [14]4 years ago
6 0
Answer:

B. 18:81 and C. 12:54

ser-zykov [4K]4 years ago
5 0

Answer:

B and C are the two ratios that are equivalent to 2:9.

Step-by-step explanation:

All you had to do was eliminate a, d, and e, because the first number is bigger than the second.  But in the ratio 2:9, the first number is smaller.  So B and C are your two answers.

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It is 18°C at 8 am, and 14°C by noon. The change in temperature from 8 am to noon is
Mashcka [7]
The answer to the question is B.
6 0
3 years ago
Pls halp is due today >_<. Thank you
Shkiper50 [21]

Answer:

The square root of 38.

Step-by-step explanation:

The square root of 38 is about 6.16.

The square root of 35 is about 5.91.

The square root of 45 is about 6.70.

The square root of 48 is about 6.92,

So the most reasonable one is the square root of 38, since it is much closer to 6.

3 0
4 years ago
Use the equation 135•42=5,670 and what you know about fractions, decimals, and place value to explain how to place the decimal p
frozen [14]

Answer:

5.67

Step-by-step explanation:

Let's examine both factors...

1.35 comes from 135, it's 100 times smaller, so this factor would force me to move the decimal point by 2 positions to the left.

4.2 comes from 42, it's 10 times smaller, so this factor would force me to move the decimal point by 1 position to the left.

In total, the decimal point would have to be moved by 3 positions, to the left... so 5,670 would become 5.67

Which is easily verifiable just by looking at the end equation, even without calculating it:

1.35 * 4.2 would give something around 5...  not around 50 nor 500.

3 0
3 years ago
Read 2 more answers
How to find percentile with mean and standard deviation
Reika [66]

Step-by-step explanation:

Step 1

Subtract the mean from your score. For example, if you scored 33 and the mean is 24, you would get a difference of 9.

Step 2

Divide the difference found in Step 1 by the standard deviation of the data to find the z-score, which is the number of standard deviations away from the mean that your score is. For example, if the standard deviation was 4.5, you would have a z-score of 2.

Step 3

Convert the z-score to a percentile using a z-score chart or converter available online (see Resources section). When converting, be sure to use a one-sided test. For example, a z-score of 2 would be in the 98th percentile.

4 0
2 years ago
If u don’t mind what is bc=?
densk [106]

Answer:

bc = 24

Step-by-step explanation:

i took WAY to long to do that, sorry

3 0
2 years ago
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