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Lostsunrise [7]
3 years ago
13

Please help, brainly for whoever gets it done first, correct answers please

Mathematics
1 answer:
lesya [120]3 years ago
4 0

Answer:

-875/79

Step-by-step explanation:

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Find the area of area of a rectangle with with sides 8 + 2x and 3+ x.
netineya [11]

Answer:

Area = 2x^2 + 14x + 24

Step-by-step explanation:

You could set up an expression (2x + 8) * (x + 3), where you multiply 2x by x, 2x by 3, 8 by x, 8 by 3, and then add them all up. 2x * x  = 2x^2, 2x * 3 = 6x, 8 * x = 8x, and 8 * 3 = 24. 2x^2 + 6x + 8x + 24 = 2x^2 + 14x + 24, so that is your answer.

3 0
3 years ago
A. y = -1.33x; 2.67<br> B. y = -0.75x; 1.50<br> C. y = 1.33x; -2.67<br> D. y = 0.13x; -0.25
Crazy boy [7]

Answer:

c is the correct answer for this problem

Step-by-step explanation:


7 0
3 years ago
Select the correct answer. What is the value of this expression if h = 8, j = -1, and k = –12?<br>​
Aliun [14]

Answer:

B- 12

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the surface area of the prism. Round to the nearest tenth if necessary. please help!!
irina [24]

Answer:

72

Step-by-step explanation:

This shape is a prism; it's a 3-D shape with 6 sides. Basically, it's a box.

All 6 sides are rectangles.

Surface area means that we'll find the area of all 6 rectangles and add them up.

There's a front and back, left and right, and a top and bottom.

The area of a rectangle is length×width or base×height.



The front and back are identical.

Area = length×width

Area = 6×3 = 18

Since the front and back are the same, two of the rectangles have area = 18.



The left and right are the same:

Area = 3 × 2

Area = 6

Two faces have area = 6.

The top and bottom are the same.

Area = 6 × 2

Area = 12

Again, two faces have area = 12.

To find the total surface area, add up all 6 areas.

A =18+18+6+6+12+12

A = 72

7 0
2 years ago
Jose is planning to spread fertilizer on his rectangular yard. His yard has a length of 40ft and width of 25ft. How much fertili
Viefleur [7K]

Answer:

Step-by-step explanation:

Area of the yard is 40 x 25 = 1000

how much area does the fertilizer cover?

6 0
3 years ago
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