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3 years ago

7

Unit 1: Geometry Basics Homework

1 answer:

iris [78.8K]3 years ago

7 0

I think you might of forgot to ADD the picture or the actuall problem there is nothing to solve ? plz add the picture or equation so i can get your answer thank you

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The diagram shows 3/4 of a fraction strip shaded. Mary erases some of the shadings to show 5/8. Explain the steps she took to sh

lakkis [162]

Answer:

a 8 parts b 8 3|4 = 3×2|4×2=b|8

Step-by-step explanation:

3 0

2 years ago

Round 128.59943 to 3 decimal places

Bond [772]

To 3 decimal places.

128.59943

Count three places to the right after the decimal point. The third digit is 9, and the fourth is 4. Since the 4th is not up to 5, we leave the 9 that way and so we can not round up the 9 to 10.

So it becomes = 128.599

Thanks.

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4 years ago

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I need help please ..

Vinvika [58]

Answer:

660.5

Step-by-step explanation:

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3 years ago

Read 2 more answers

Solve for x <br><br>x- 5/3=1

Tasya [4]

Answer:

x = 8/3 or 2 2/3

Step-by-step explanation:

x - 5/3 = 1

x - 5/3 + 5/3 = x

1 + 5/3 = 8/3 or 2 2/3

x = 8/3 or 2 2/3

4 0

3 years ago

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Records on a fleet of trucks reveal that the average life of a set of spark plugs is normally distributed with a mean of 22,100

fgiga [73]

Answer:

There no sufficient evidence to support the manufactures claim at the 0.05 level

Step-by-step explanation:

From the question we are told that

The mean is $\mu = 22100 \ miles$

The sample mean is $\= x = 23400 \ miles$

The sample size is $n = 18$

The standard deviation is $\sigma = 1 500 miles$

The test statistics is $t = 3.677$

The level of significance is $\alpha = 0.05$

The null hypothesis is $H_o : \mu = 22100$

The alternative hypothesis is $H_a : \mu \ne 22100$

Generally the p-value is mathematically represented as

$p-value = 2 * P(t >3.677 )$

From the z-table $P(t >3.677 ) = 0.000118$

So

$p-value = 2 * 0.000118$

=> $p-value = 0.000236$

From he value given and obtained we see that $p-value < \alpha$

Hence we reject the null hypothesis

Hence there no sufficient evidence to support the manufactures claim

8 0

3 years ago