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enot [183]
2 years ago
6

What is the answer to 7x+7 = 3x+9

Mathematics
2 answers:
RSB [31]2 years ago
7 0

Answer:

1/2

Step-by-step explanation:

7x+7=3x+9

    -7       -7

7x=3x+2

-3x -3x

4x=2

---   ----

4       4

x=1/2

devlian [24]2 years ago
5 0

Answer:x=1/2

Step-by-step explanation:

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5 yd<br> 3 yd<br> 4.8 yd<br> 28 yd<br> 8 yd
kompoz [17]

Answer:

i am converting to meters

Step-by-step explanation:

5 yd =4.572 meters

3yd=2.7432 meters

4.8yd=2.7432 meters

28yd=25.6032 meters

8yd=7.3152 meters

5 0
3 years ago
A particular sawdust pile has a base diameter of 25 feet when the height is 20 feet. Find the volume of this sawdust pile when i
Artist 52 [7]

The volume of the sawdust pile is 11,039.06 ft³.

<h3>What is the volume of the pile?
</h3>

The shape of the sawdust pile would be a cone. The diameter is always proportional to its height.

Diameter = k x height

where k is equivalent to the rate of increase of the diameter with respect to the increase in height.

25= k20

k = 25 / 20

k = 1.25

Diameter when height is 30 ft = 1.25x 30 = 35.50 feet

Volume of the sawdust = \frac{1}{3}πr²h

Where:

  • π = 3.14
  • r = radius = diameter / 2 = 35.50 / 2 = 18.75
  • h = 30

\frac{1}{3} x 3.14 x 18.75² x 30 = 11,039.06 ft³

To learn more about the volume of a cone, please check: brainly.com/question/13705125

#SPJ1

4 0
1 year ago
Using number line what is 4-5​
Vinil7 [7]

Answer:

<h2>-1</h2>

Step-by-step explanation:

4 - 5 = -1

Count:

4, 3, 2, 1, 0, <u>-1</u>

6 0
2 years ago
Describe how the graph of the function g(x) = -5x²-2 is related to the graph of
zhenek [66]

Answer:

(C) reflection of f(x) = 5x² across the x-axis and translated down 2 units

3 0
1 year ago
Sally spelled 2 words incorrectly out of 20 spelling words on the test. What percent grade did Sally get on the test?
Tom [10]

Answer:

90%

Step-by-step explanation:

So Sally gets 18/20 of the questions correct then you need to make the denominator of the fraction to 100 which makes a percent. So you multiply both the numerator and denominator by 5:

90/100

which is equal to 90%

Hope this helps!

7 0
2 years ago
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