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oksano4ka [1.4K]
2 years ago
13

Find (x + 4)(x2 + x - 2). Write your answer in standard form. Answer please

Mathematics
1 answer:
ahrayia [7]2 years ago
3 0

Answer:

X^3 + 5x^2 + 2x - 8

Step-by-step explanation:

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Question 1-3........
Xelga [282]

1. Answer:

C. 1050

Step-by-step explanation:

To find the area of a rectangle, it is length * width * height

25 * 7 = 175

175 * 6 = 1050

2. Answer:

C. 8

Step-by-step explanation:

To find the missing dimension of a rectangle, you can easily just divide the total by each dimension

540 divided by 7.5 = 72

72 divided by 9 = 8

3. Answer:

D. 31,400

(31,415.9)

Step-by-step explanation:

The radius of the cylinder is 20

The height of the cylinder 25

πr2h is the formula used to find the volume of a cylinder

3 0
2 years ago
160 bananas; 20% decrease
rusak2 [61]

Answer:128



Step-by-step explanation:


3 0
2 years ago
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Help help help please
Karolina [17]

Answer:

343 meters.

Step-by-step explanation:

Since, both the shapes are similar, their sides are also similar.

21 / 24 = 49 / w

1 / 7 = 49 / w

w = 7 * 49

w = 343

4 0
3 years ago
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Hannah walked 0.75 of a mile between 7:35 am and 7:47 am. At what speed, in miles per hour, did she walk during this time interv
BARSIC [14]

0.75 miles in 12 minutes

0.75 * 5 miles in one hour

15 / 4 miles in an hour

she walked at 3.75 mph

this assumes she walks at the same pace for the whole time

please give brainliest

5 0
2 years ago
Can someone help me pls!!
nordsb [41]

Answer:

a=1

Step-by-step explanation:

A parallelogram is a quadrilateral with two pairs of parallel sides. Opposite sides of a parallelogram are equal.

Therefore, set any two opposite sides equal to each other to solve for a:

a+3=2a+2,\\\\3=a+2,\\a=\boxed{1}

7 0
2 years ago
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