3 years ago

Help please marking brainlist!!

Mathematics

1 answer:

dangina [55]3 years ago

6 0

Answer should be the second one, B

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How would you also do this??

Vesna [10]

4(5x + 7) = 128

First, I'd do distributive property and get:

20x + 28 = 128

Then, subtract 28 from each side.

20x = 100

Next, I'd divide 100 by 20 = 5

x = 5

4 *(5(5) + 7) = 128

5 * 5 = 25

4 * (25 + 7)

4 * 32 = 128

Therefore, the perimeter = 2l + 2w

l = 4

w = 5x + 7

BUT we know that x = 5

w = 5(5) + 7 = 32

2(4) + 2(32)

8 + 64 = 72

Therefore, the perimeter would be 72 inches.

5 0

4 years ago

What does each question mean in the context of the problem

OLga [1]

Answer:

they are losers

Step-by-step explanation:

7 0

3 years ago

Anyone know how to solve this?

Elina [12.6K]

35% of 80 is 28.

80 x 0.35 = 28

I hope this helps.

6 0

3 years ago

Find the area of the following shape. You must show all work to receive credit

kirza4 [7]

Answer:

42 square units

Step-by-step explanation:

Draw segments - 5 to A, A to the point of intersection of Band C and from from the point of intersection of B, C upto 2. It will form a square with each side 8 units and four triangles.

Subtracting the area of 4 four triangles from the area of the square will give you the area of the required shape.

Area of the shape

$= {8}^{2} - \frac{1}{2} \times 3 \times 6 - \frac{1}{2} \times 5 \times 2 - \frac{1}{2} \times 2 \times 3\\ - \frac{1}{2} \times 2 \times 5 \\ \\ = 64 - 3 \times 3 - 5 \times 1 - 1\times 3 - 1 \times 5 \\ \\ = 64 - 9 - 5 - 3 - 5 \\ \\ = 64 - 22 \\ = 42 \: {units}^{2}$

3 0

3 years ago

Read 2 more answers

6. Find the odds of an event occurring, given the probability 1/2

Ira Lisetskai [31]

.5

1/(1*2)

hope it help

7 0

3 years ago