2 years ago

Help. i need itttttt

Mathematics

1 answer:

ElenaW [278]2 years ago

8 0

Answer:

In a parallelogram, opposite sides are the same length. If PR = ST, then the same would happen for the other sides.

Step-by-step explanation:

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two-thirds of the 27 students in the class had perfect attendance for the first half of the year. How many students had a perfec

DENIUS [597]

Answer:

Step-by-step explanation:

1/3 of 27 is 9 so 2/3 is 18

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3 years ago

The base of a basketball goal has the shape of a rectangular pyramid. The base of the goal must be filled with sand so the goal

mart [117]

Answer:

B. 15 ft^3

Step-by-step explanation:

The volume of a pyramid is given by the formula ...

V = (1/3)Bh

where B represents the area of the base, and h represents the height.

The base is apparently a rectangle, so its area is the product of its length and width:

B = L·W = (4.5 ft)(4 ft) = 18 ft^2

Then the volume is ...

V = (1/3)(18 ft^2)(2.5 ft) = 15 ft^3

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2 years ago

If f(x) = 1/3x^2 + 5, find f(-9). A. 248 B. -22 C. 11 D. 32

melamori03 [73]

Answer:

D. 32

Step-by-step explanation:

For this problem, we simply plug -9 in for x in f(x):

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Thus, the answer is D. 32.

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