Can someone plz help me.
Can someone plz help me. - 1

Answers

Answer 1
Answer: the 3rd one because you need to find the area of the square and times it by 3.

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Cards with the numbers 1 through 40 are placed in a box and throughly shuffled. What is the probability of randomly selecting a card with a number less than 10 or a multiple of 15? a) 3/10; b) 11/40; c) 1/20; d) 7/400

Answers

There are 9 numbers less than 10.  1,2,3,4,5,6,7,8,9
And there are 2 multiples of 15.  15,30
There are 11 of the 40 cards that are either less than 10 or multiples of 15,  so the answer is B

sierra has a hard time remembering tje product of 9x8. if she knows that 10x8=80, describe how she can use this to help

Answers

Answer:

Subtract 8 = 72

Step-by-step explanation:

10 x 8 is 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8

9 x 8 is 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8

Which of the following expressions is a factor of the polynomial x2 + -x-1?

Answers

Answer:

No solution

Step-by-step explanation:

What you have to do is think of two numbers that when times together it equals -1 and when added together it equals -1.

There is no number that can come out to that, so your answer is:

no solution

What is 9/20 as a decimal and percent?

Answers

Answer: 45%

Step-by-step explanation: To write a fraction as a percent, first remember that a percent is a ratio of a number to 100. If we want to write 9/20 as a percent, we will need to find a fraction equivalent to 9/20 that has a 100 in the denominator. We can do this by setting up a proportion.

(9)/(20) = (n)/(100)

Now, we can use cross products to find the missing value.

900 = 20n

÷20   ÷20   ← divide by 20 on both sides

  45 = n

Therefore, 9/20 is equal to 45 over 100 or 45%.

___________________________________________________

Answer: 0.45

Step-by-step explanation: In order to write 9/20 as a decimal, we need to find a fraction equivalent to 9/20 with a 100 in the denominator. Notice that if we multiply both the numerator of 9/20 by 5, we get the equivalent fraction 45/100 which we can now write as a decimal. Remember that the hundredths place is two places to the right of the decimal point. So, we can write 45/100 as 0.45.

Therefore, 9/20 is equivalent to 0.45.

The required, 9/20 as a decimal is 0.45, and as a percentage is 45%.

Decimals and percentages are both ways to express numbers that are less than or equal to 1. Decimals are a way to represent numbers using the base-10 numbering system. Percentages, on the other hand, are a way to express a portion of a whole as a fraction of 100.

To convert 9/20 to a decimal, divide the numerator (9) by the denominator (20).

9 ÷ 20 = 0.45

So, 9/20 as a decimal is 0.45.

To convert 0.45 to a percentage, multiply it by 100.

0.45 x 100 = 45

So, 9/20 as a percentage is 45%.

In summary, 9/20 as a decimal is 0.45, and as a percentage is 45%.

Learn more about percentages here:

brainly.com/question/30314535

#SPJ6

Which set of dimensions is possible for a rectangular prism with volume 336 in^3?A.
2 in. by 8 in. by 16 in.


B.
3 in. by 8 in. by 16 in.


C.
4 in. by 8 in. by 12 in.


D.
3 in. by 8 in. by 14 in.

Answers

Volume = l x w x h    336 in ^3

A. 2 x 8 x 16 = 256

B. 3 x 8 x 16 = 384 .

C. 4 x 8 x 12 = 384

D. 3 x 8 x 14 = 336

Hope this helps. :)

To find a volume of rectangular prisms, you do w*h*l (width, height, lenght)
A. 256
B. 384
C. 384
D. 336
So D.336 match your volume so it is corect

Look at the picture

Answers

Answer:

-9/7

Step-by-step explanation:

(-2, 6) (5, -3)

slope = (y₂-y₁)/(x₂-x₁)

slope = (-3-6)/(5--2)

slope = -9/(5+2)

slope = -9/7