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3 years ago

How do I solve the problem 5×7/10

2 answers:

7 0

To solve this problem, you first will have to do 5 times 7 which is 35. The "/" sign is the same as division so 35 divided by 10 is 3.5

katovenus [111]3 years ago

3 0

Multiply 5*7, then take that product and divide by 10.

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The Ohio Department of Agriculture tested 203 fuel samples across the state in 1999 for accuracy of the reported octane level. F

OlgaM077 [116]

Answer:

The Sample size is 1918.89035

Step-by-step explanation:

Consider the provided information.

It is given that 14 out of 105 samples failed.

Therefore p = 14/105 = 0.13 3... and q=1-0.133=0.867

Samples would be needed to create a 99 percent confidence interval.

Subtract the confidence level from 1, then divide by two.

$\frac{(1 -0.99)}{2}=0.005$

By standard normal table z=2.5758≈2.58

Calculate the sample size as:

$n=\frac{z^2pq}{e^2}$

Where, e is the margin of error,

Substitute the respective values.

$n=\frac{(2.58)^2(0.133)(0.867)}{(0.02)^2}=1918.89$

Hence, the Sample size is 1918.89035

4 0

3 years ago

a group of 12 runners each drink 64 ounces of water every day how many ounces of water will they drink in 45 days

masha68 [24]

34560 ounces

Step by Step Explanation:

12 x 64 = 768
768 x 45 = 34560 ounces

4 0

3 years ago

What is x?? I'm so confused!

LiRa [457]

Answer:

x = 468%

Step-by-step explanation:

I see a proportion here.

we want to solve for the variable x in the proportion:

18% / (2 weeks) = ( x %) / (52 weeks)

here we should multiply 52 to boths sides

(52 weeks) * 18% / (2 weeks) = x %

26 * 18% = x %

x = 468 %

3 0

3 years ago

HELP 10PTS AND BRAINLIESTThe image of a triangle after it has been dilated with a center of dilation at the origin has vertices

Gala2k [10]

Answer:

C is (-18, 24)

Scale factor 1 1/3

A is (9, - 4 1/2) *4 1/2 is also 4.5

Step-by-step explanation:

When we take a look at image B (-24, -12) and pre image B (-18, -9),

we can work out the scale factor by

(-24/-18) and (-12/-9) both equal 4/3

So using the scale factor to go from the pre image to the image,

We can find C coordinate by multiplying pre image C by the scale factor.

C is (-13.5 x 4/3) and (18 x 4/3)

C is (-18, 24)

The scale factor is 4/3, which is the mixed numeral of 1 1/3.

To find the pre image of point A we divide the image by the scale factor

A is (12/(4/3)) and (-6/(4/3))

A is (9, - 4 1/2)

Hope this helps,

Cate

8 0

3 years ago

Read 2 more answers

Each costume needs 64 cenemeters of red ribbon and 3 times as much of yellow ribbon. What is the total length of ribbon needed f

butalik [34]

Answer:

The answer is .................................................94

4 0

3 years ago