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Tema [17]
3 years ago
10

3. The width of a rectangle is 3x – 7. The length of the rectangle is 4x +5.

Mathematics
1 answer:
garri49 [273]3 years ago
3 0

Answer:

D. 14x - 4

Step-by-step explanation:

P = 2(L + W)

P = 2(4x + 5 + 3x - 7)

P = 2(7x - 2)

P = 14x - 4

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Answer the question in the picture
Schach [20]

The area of the semicircle is A = 1187.9 cm².

<h3>What is the area of a circle?</h3>

The area of a circle with a radius of r is A = πr².

Given that, the diameter of the semicircle is 55 cm.

The radius of the semicircle is,

r = 55/2

The area of a semicircle is given by,

A = (1/2)πr²

Substitute the values,

A = (1/2)π(55/2)²

A = 1187.9

Hence, the area of the semicircle is A = 1187.9 cm².

Learn more about the area of a circle:

brainly.com/question/22964077

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6 0
1 year ago
Please answer this correctly
yanalaym [24]
22 is the answer to this math problem
8 0
3 years ago
12c + 12 (3/4c) + 12 (1/2c) shows the total cost for buying 3 phones that each cost c dollars per month for 12 months.
alisha [4.7K]

Answer:

c(12 + 9 + 6)

12(2.25c)

Step-by-step explanation:

12c + 12 (3/4c) + 12 (1/2c)

12(1c) + 12(3/4c) + 12 (1/2c)

12(c + 3/4c + 1/2c)

12(2 1/4c)

12(2.25c)

Or

12c + 12 (3/4c) + 12 (1/2c)

12c + 9c + 6c

c(12 + 9 + 6)

6 0
2 years ago
Evaluate. Express each result in scientific and standard form. <br><br> (3.24×103)(6.7×104)
anyanavicka [17]
I’m assuming the 3 and 4 are exponents??
The answer is
2.1708 x 10^7
4 0
3 years ago
Which shows how to solve the equation 3/4x -6 for x in one step
Aleksandr [31]

Answer:

A

Step-by-step explanation:

You can multiply both sides on an equation by the reciprocal to cancel the fraction on the first side.

8 0
2 years ago
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