3 years ago

Find the missing data item given the following values 25, 28, 21, x, 32

Mathematics

1 answer:

GarryVolchara [31]3 years ago

7 0

Is the question multiple choice?

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120 g lentils

saw5 [17]

2880 g lentils

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3 years ago

Expanded form of 5(2m)³

-BARSIC- [3]

Answer:

$40m^{3}$

Step-by-step explanation:

Because of order of operations, you do exponent first. $(2m)^{3} =8m^{3}$ . Lastly 8 multiplied by 5 is 40, so the answer is $40m^{3}$

6 0

3 years ago

A student measured the lead content of a paint sample 4 times. The standard deviation of the measurements was found to be 0.76%

Lady_Fox [76]

Answer:

$CI =0.894%$

Step-by-step explanation:

From the question we are told that:

Sample size $n=4$

Standard deviation $\sigma=0.76\% of \=x$

Confidence level $\mu =90\%=0.90$

Degree of Freedom $Df=n-1=3$

Therefore

Test T from table is given

$t=2.353$

Generally the equation for Confidence interval CI is mathematically given by

$CI =t*\frac{\sigma}{\sqrt{n}}$

$CI =2.353*\frac{0.76}{\sqrt{4}}$

$CI =0.894%$

6 0

3 years ago

100 Points on the line. Also will mark brainliest if you get it right.

mihalych1998 [28]

Answer:

i would assume D because they are similar in a way

6 0

3 years ago

Read 2 more answers

Can someone help me with this I'll give a crown thing please hurry!

gulaghasi [49]

Answer:

1) 1: 107

2: 73

3: 107

4: 73

5: 107

6: 73

7: 107

8: 73

3) 1: 128

2: 52

3: 128

4: 52

5: 128

6: 52

7: 128

8: 52

Step-by-step explanation:

Vertical, corresponding, alternate exterior, and alternate interior angles are all congruent (equal).
Angles such as same side exterior and same-side interior are supplementary; meaning these angles add up to 180°.

6 0

3 years ago