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Masteriza [31]
2 years ago
5

Please I will give brainliest please help me

Mathematics
1 answer:
STatiana [176]2 years ago
7 0

Answer:

-12

Step-by-step explanation:

Parentheses first 4.5-5.125=-0.625

7.5/-0.625=-12

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Courtney walks 4 laps around 1/4 mile back. 1 mile is 5280 feet, how far did she walk
Alika [10]

Answer:

5280 feet

Step-by-step explanation:

one loop is 1 fourth of a mile

she walked 4 times, making it a full mile.

So, she walked 5,280 feet in total

8 0
3 years ago
PLS HELP !! I WILL GIVE BRAINLIEST !!! I JUST NEED THE ANSWER WITH A SENTENCE EXPLANATION !!!
AURORKA [14]

Answer:

Blue

Step-by-step explanation:

Hard to explain just trust.

8 0
3 years ago
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2x + 4 = 4x how. to solve it ​
ipn [44]

Answer:

x=2

Step-by-step explanation:

2x+4=4x

-2x     -2x  

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8 0
3 years ago
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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
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Sam has $\frac{5}{8}$ of a pound of chocolate. If he eats $\frac{1}{3}$ of the chocolate he has, how many pounds of chocolate do
givi [52]
1/3 of 5/8...." of " means multiply
1/3 * 5/8 = 5/24 lbs


3 0
3 years ago
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