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saul85 [17]
3 years ago
9

Please help me with these!!!

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
3 0
A. 2.8x+3
B. -73/156
C. 6 10/21+ 10 6/7
D is already simplified
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Ms. Jackson bought a new car. It cost $9,360. She paid 10% As a down payment. How much was her down payment?
BigorU [14]

Answer:

$936

Step-by-step explanation:

10% is just divided by 10 so 9360 divided by 10 is 936

7 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
Need help with all them, state how you know also<br><br> Triangle Congruency
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Step-by-step explanation:

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If it takes 16 yards of material to make 5/2 costumes, how much material will be needed to make 19/2 costumes of that same size?
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Cross multiply.

(5/2)x = 152

Multiply both sides by 2/5.

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3x−5(x−6)=2(10−x)<br> What does x equal?
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