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3 years ago

Can someone check my answer & explain?

Mathematics

1 answer:

Novay_Z [31]3 years ago

4 0

Answer:

The answer should be 3 cubic cm

Step-by-step explanation:

First you have to get the area of the right triangle base 1/2 bh. That would be 2x3/2=3

To find volume, you plug the area in the volume formula

v=1/3 ah

v=1/3 (3)(3)

1/3(9) would be 3 cubic cm

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Evaluate the function for f(5)=4x+3 A. 23 B. 22 C. 18 D. 7

Reptile [31]

Answer:

B. 22

Step-by-step explanation:

Hope this helps! Ask me anything if you have any quistions!

6 0

4 years ago

3x+2y=2 Y=x-9 A) (4,-5) B) (4,13) C) (-5,4) D) (20,11)

BlackZzzverrR [31]

Y = X - 9
so 3X +2Y = 2
will be 3X +2×(X-9) = 2
3X + 2X -18 = 2
5X = 2 + 18
5X = 20
X = 4
Y = X - 9
Y = 4-9
Y = -5
the answer will be A) (4,-5)
please mark me as brainlest

4 0

3 years ago

Need rn. worth 30.

Likurg_2 [28]

Considering the situation described, the confidence interval is given by:

(0.35, 0.51).

<h3>What is a confidence interval?</h3>

It is given by the estimate plus/minus the margin of error.

For this problem, we have that:

The estimate is of 0.43.

The margin of error is half the range of the observations, hence M = (0.48 - 0.32)/2 = 0.08.

Then, the bounds of the interval are given by:

0.43 - 0.08 = 0.35.

0.43 + 0.08 = 0.51.

More can be learned about confidence intervals at brainly.com/question/25890103

#SPJ1

4 0

2 years ago

A gold chain with an original price of $120 is on sale for $96. What is the percentage of the discount?

Rus_ich [418]

Answer:

$120 - A

Step-by-step explanation:

20% of 120 is 20.

120-20 + 100

6 0

3 years ago

6. A pitcher has 16 cups of water in it. During the day, Aditi drank 5⁄2 cups, Kavitha drank 15⁄4 cups, and Rahul drank 33⁄8 cup

Crank

Answer:

A. Aditi 2 1/2 cups, Kavitha 3 3/4 cups, and Rahul 4 1/8 cups

Step-by-step explanation:

2*2=4 5-4=1 2 1/2

3*4=12 15-12=3 3 3/4

4*8-32 33-32=1 4 1/8

4 0

4 years ago