3 years ago

LAST QUESTION I HAVE TO DO, PLEASE HELP ME :(

Mathematics

1 answer:

Montano1993 [528]3 years ago

6 0

Answer:

Step-by-step explanation:

Find a number that, ehn you square it, it will be equal to 36. The number is 6.

That means q=6

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Pls help ill give brainliest to whoever answers

Eva8 [605]

Answer: N snd B

Step-by-step explanation:

They have the same lines and they are the same shape.

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3 years ago

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What's the value of x <br>-1+6x=-2

ExtremeBDS [4]

-1 + 6x = - 2 |add 1 to both sides

6x = -1 |divide both sides by 6

x = - 1/6

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3 years ago

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1000+2000+1000+8000=

strojnjashka [21]

Answer:

this equals 12000

Step-by-step explanation:

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3 years ago

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Students took two parts of a test, each worth 50 points. Part A has a variance of 25, and Part B has a variance of 36. The corre

Leona [35]

Answer:

Following are the solution to the given choices:

Step-by-step explanation:

In point a:

Calculating the variance of the test grade:

$\to var(A+B)=var A + var B + 2 cov(A,B)$

$=25+36+2(0.8)\\\\=25+36+1.6\\\\=62.6$

In point b:

$\to var(A-B)=varA + var B - 2 cov(A,B)$

$=25+36-2(0.8)\\\\=25+36-1.6\\\\=59.4$

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3 years ago

Mr. Lin received a box of books in the shape of a rectangular prism. The volume of the box is 486 in 3. What is the width of the

GREYUIT [131]

Answer:

W = 9 inches.

Step-by-step explanation:

The volume of a rectangular prism is given by

$V=whl$

Where

w,h and l re width, height and length of rectangular prism

It is not mentioned that a box has a length of 18 inches and a height of 3 inches.

Using above formula.

$486=w\times 18\times 3\\\\486=54w\\\\w=9\ \text{inches}$

So, the width of the box is 9 inches.

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3 years ago