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2 years ago

Help I’ll give BRAINLIEST !!!!

Mathematics

2 answers:

kykrilka [37]2 years ago

8 0

Answer:

Step-by-step explanation:

Gnoma [55]2 years ago

6 0

Answer:

-3, 2 & 3, -2

Step-by-step explanation:

If you plot the equation, the line goes through a and c

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What is the approximate area of the shaded region under the standard normal curve below? Use the portion of the standard normal

kotegsom [21]

This region as the same area as the one in your previous question.

Pr[1 < <em>Z</em> < 2] = Pr[-2 < <em>Z</em> < -1] ≈ 0.14

5 0

3 years ago

The volume of a cylinder is 8,685.9 cubic ft, it has a diameter of 19.2 ft, find the height of the cylinder. Round to the neares

Lunna [17]

Answer:

Step-by-step explanation:

Volume of cylinder = π times r^2 times h (height)

8,685.9 = π times r^2 times h

To find the radius, divide the diameter by 2.

19.2 / 2 = 9.6

8,685.9 = 3.14 x 9.6^2

3.14 x 9.6^2 = 289.38 (estimated)

8,685.9 = 289.38

Divide 289.38 by 8,685.9.

289.38 / 8,685.9 = 0.033316064

I hope this is right?!!

3 0

3 years ago

Convert 18/5 to a mixed number

TiliK225 [7]

Your answer would be 3 an 3/5 :) hope i helped ! :D:D:D:D:D:D:D

5 0

3 years ago

Read 2 more answers

Tammy has scored 82, 78, and 93 on her previous three tests. What score does she need on her next test so that her average (mean

Lyrx [107]

Answer:

She needs a grade of 71 on her next text.

Step-by-step explanation:

Mean of a data-set:

The mean of a data-set is the sum of all values in the data-set divided by the number of values.

Tammy has scored 82, 78, and 93 on her previous three tests.

Thus, her grades are 82, 78, 93 and x, in which x is her grade in the fourth test.

There are 4 tests.

What score does she need on her next test so that her average (mean) is 81?

We have to find x when the mean is 81. So

$\frac{82 + 78 + 93 + x}{4} = 81$

$253 + x = 324$

$x = 324 - 253$

$x = 71$

She needs a grade of 71 on her next text.

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4 years ago

HELP!!

TEA [102]

Answer:

Step-by-step explanation:

8 0

3 years ago