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mina [271]
2 years ago
8

Solve for the unknown number in the equation ________ − 17 = 38 − 25.

Mathematics
2 answers:
antiseptic1488 [7]2 years ago
7 0

Answer:

I believe the answer is 30.

Step-by-step explanation:

gregori [183]2 years ago
6 0

Answer:

___<u>30</u>_____ − 17 = 38 − 25

Step-by-step explanation:

________ − 17 = 38 − 25

Do the subtraction on the right side.

________ − 17 = 13

Add 17 to both sides.

________ = 30

Answer:

___<u>30</u>_____ − 17 = 38 − 25

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A cylinder has a height of 7 in. and a diameter of 6 in. What is the volume of the cylinder to the nearest cubic inch? V = 66 in
Natalija [7]

Answer:

The answer is

<h2>V = 198 in³</h2>

Step-by-step explanation:

Volume of a cylinder = πr²h

where

h is the height

r is the radius

From the question

h = 7 in

To calculate the radius from the diameter we use the formula

radius = diameter/2

From the question

diameter = 6

radius = 6/2 = 3 in

Volume of the cylinder is

(3)²(7)π

= 9(7)π

= 63π

= 197.9203

We have the final answer as

<h3>V = 198 in³ to the nearest cubic inch</h3>

Hope this helps you

6 0
3 years ago
The area of the poster is (x^2+2x-15) inches the width is (x-3) inches calculate the dimensions of the poster board when x=14
givi [52]

Answer:

The poster is 11 inches wide and 19 inches in height.

Step-by-step explanation:

We take the given equation: (x^2+2x-15) and we add in 14 as our x variable:

((14)^2+2(14)-15) the answer we get from that is 209. The area of the poster is 209 square inches. Then we find the width by taking (x-3) in this case x is 14 so the width of the poster is 11. In order to find the height we divide the height by the width and we get 19.

Therefore:

Height= 19 Inches

Width= 11 Inches

Total Area= 209 Square Inches

4 0
2 years ago
Which is a solution to the equation?<br> (x-2)(x=5)=18
kobusy [5.1K]
Expand
x^2+3x-10=18
minus 18 both sides
x^2+3x-28=0
find what 2 numbers mutiply to -28 and add to 3
7 and -3 
(x+7)(x-3)=0
set each to zero

x+7=0
x=-7
x-3=0
x=3

x=-7 and 3
6 0
3 years ago
Read 2 more answers
What is the measurement of LZ<br> HUT you see the sight line What is a stright and end
Alexxandr [17]

Answer:

z = 155 ( second choice )

Step-by-step explanation:

x = 25

65 + 90 = 155

180 - 155 = 25 = x

180 - 25 = 155 = z

4 0
3 years ago
F Can anyone explain how too find the inverse of the function of this problem? f(x)= (x + 2)3.
Firlakuza [10]
The inverse function is f^-1 (x)= -2+(x/3) dont add the parenethese though, i used the parenethese to show that its x over 3. hope that helped! :D 
5 0
3 years ago
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