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Alexeev081 [22]
3 years ago
14

(a+5b)(a-2b)+(a-3b)(a-4b)​

Mathematics
1 answer:
Nady [450]3 years ago
7 0

Answer:

2A2+2B2−4ab

the 2's after the leters is supposed to be small and above the letters just so you know

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a box in the shape of a rectangular prism has a volume of 56 cubic inches. if the length of each side is multiplied by 2, what w
nexus9112 [7]

Answer:

V = (2·a)·(2·b)·(2·c) = 8·(a·b·c)

8 * 56 = 448 cubic inches

8 0
4 years ago
What is the exact area and arc length of these sectors? Please helppp
Karolina [17]

<u>Answers with step-by-step explanation:</u>

1. Area of sector 1 = \frac{90}{360} \times \pi \times 12^2 = 36\pi

2. Area of sector 2 = \frac{45}{360} \times \pi \times 19^2 = \frac{2527}{8} \pi

3. Area of sector 3 = \frac{270}{360} \times \pi \times 15^2 = \frac{675}{4} \pi

4. Area of sector 4 = \frac{270}{360} \times \pi \times 6^2 = 27 \pi

5. Arc length of sector 1 = \frac{90}{360} \times 2 \times \pi \times 12 = 6\pi

6. Arc length of sector 2 = \frac{315}{360} \times 2 \times \pi \times 19 = \frac{133}{4} \pi

7. Arc length of sector 3 = \frac{270}{360} \times 2 \times \pi \times 15 = \frac{45}{2}\pi

8. Arc length of sector 4 = \frac{270}{360} \times 2 \times \pi \times 6 = 9\pi

4 0
3 years ago
What is the volume of the cylinder? Use 3.14 for TT, and round your answer to the nearest tenth. Enter your answer in the box
aivan3 [116]

Answer:

Is the radius 12ft and the height 5ft?

3 0
3 years ago
HELPPPPPPPPP !!!!!!!!! plzzzzz
blagie [28]

Answer:

a) its root 2

b) 2

c) 3,4,5,6 (just all x numbers)

d) inverse is just reverse of points ex: (2,1) for the first set

also what is that equation up top am i suppose to use that for something

Step-by-step explanation:

4 0
3 years ago
A store has a 25% off sale on coats. With this discount, the price of one coat is $34.50. What is the original price of the coat
eimsori [14]
The original price of the coat is $46.00
4 0
4 years ago
Read 2 more answers
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