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3 years ago

435 rounded to the nearest hundred

Mathematics

2 answers:

Lady bird [3.3K]3 years ago

8 0

The answer to the nearest is 400
cause 435 is closer to 400 than to 500

Phoenix [80]3 years ago

4 0

435 is rounded to 400 from the nearest hundred

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Find the simple interest on a loan of $45,000 for 5 years at 3%.

Tasya [4]

Answer:

51,750

Step-by-step explanation:

45,000x.03=1,350

1,350x5=6750

45,000+6750=51,750

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2 years ago

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Who can help me with this entire page?

trasher [3.6K]

Answer:

I'm not entirely sure what the question is but every thing under 12.5 is closer to 12, everything 12.5 and upwards like 12.87 would be closer to 13

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2 years ago

5n - 12 = -3n + 4<br> 30 points

ipn [44]

Answer:

n = 2

Step-by-step explanation:

5n - 12 = -3n + 4

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3 years ago

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In Pennsylvania the average IQ score is 101.5. The variable is normally distributed, and the population standard deviation is 15

blsea [12.9K]

Answer:

We conclude that the Pennsylvania school district have an IQ higher than the average of 101.5

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 101.5

Sample mean, $\bar{x}$ = 106.4

Sample size, n = 30

Alpha, α = 0.05

Population standard deviation, σ = 15

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 101.5\\H_A: \mu > 101.5$

We use one-tailed z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{106.4 - 101.5}{\frac{15}{\sqrt{30}} } = 1.789$

Now, $z_{critical} \text{ at 0.05 level of significance } = 1.96$

Since,

$z_{stat} > z_{critical}$

We reject the null hypothesis and accept the alternate hypothesis.

Thus, we conclude that the Pennsylvania school district have an IQ higher than the average of 101.5

5 0

3 years ago

Please help me with this 100 points

Serjik [45]

Answer:

2m + 153.5

Step-by-step explanation:

Hey there

2m = The word times means multiplication. So, multiply 2 and m.

153.5 = The phrase more than means addition. So, add 2m and 153.5.

hope it helped

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3 years ago

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