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Brums [2.3K]
2 years ago
9

Oday, everything at a store is on sale. The store offers a 20% discount.

Mathematics
1 answer:
belka [17]2 years ago
6 0

Answer:

A=14.4 dollars

B= x = regular price x discount then subtract the regular price with the discount

C=21.6 dollars

Step-by-step explanation:

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Heidi made $15.90 total

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3 years ago
4. Find the exact volume of the cylinder. Use alt+227 or pi for pi as needed. . 1<br> 16<br> 21
lisov135 [29]

Answer:

Step-by-step explanation:

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8 0
3 years ago
A frustum is formed when a plane parallel to a cone’s base cuts off the upper portion as shown. Which expression represents the
Bezzdna [24]
Think of the two pieces together as a single cone of height 19, and its volume.
Then think of only the upper piece as a cone, and find its volume.
The volume of the frustum is the total volume minus the volume of the upper piece.

The volume of a cone is:

V = \dfrac{1}{3} \pi r^2 h

Total volume:

V_t = \dfrac{1}{3} \times \pi \times 7.5^2 \times 19

Volume of upper cone:

V_u = \dfrac{1}{3} \times \pi \times 3.5^2 \times 8

Volume of frustum:

V_f = \dfrac{1}{3}\pi(7.5^2)(19) - \dfrac{1}{3}\pi(3.5^2)(8)



3 0
3 years ago
Read 2 more answers
What are the coordinates of point B on AC such that the rario of AB to BC is 2:3
pishuonlain [190]

Answer:

Step-by-step explanation:

im not too sure buy i have the exact questions    

7 0
3 years ago
Factor 4x^2+28x-32=0
Luda [366]
Let's solve your equation step-by-step.
<span><span><span><span>4<span>x^2</span></span>+<span>28x</span></span>−32</span>=0
</span>Step 1: Factor left side of equation.
<span><span><span>4<span>(<span>x−1</span>)</span></span><span>(<span>x+8</span>)</span></span>=0
</span>Step 2: Set factors equal to 0.
<span><span><span>x−1</span>=<span><span><span>0<span> or </span></span>x</span>+8</span></span>=0
</span><span><span>x=<span><span>1<span> or </span></span>x</span></span>=<span>−<span>8</span></span></span>
8 0
3 years ago
Read 2 more answers
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