3 years ago

Is the following equation true? 4m + 12 = 2(m + 6)

Mathematics

1 answer:

muminat3 years ago

3 0

Answer:

Step-by-step explanation:

4m + 12 ≠ 2m + 12

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What is the perimeter of ABC with vertices at A (-11,4) B(-7,8) and C (-4,4)

Alborosie

Answer:

Step-by-step explanation:

Using the distance formula,

$AB=\sqrt{(-11-(-7))^{2}+(4-8)^{2}}=\sqrt{16+16}=4\sqrt{2}\\AC=\sqrt{(-11-(-4))^{2}+(4-4)^{2}}=7\\BC=\sqrt{(-7-(-5))^{2}+(8-4)^{2}}=\sqrt{4+16}=2\sqrt{5}\\\\$

So the perimeter is $4\sqrt{2}+7+2\sqrt{5}$

3 0

2 years ago

The area of a rectangle is 44 square units. Its length measures 4 units. Find the length of its diagonal. Round to the nearest t

NikAS [45]

Answer:

√(137)

Step-by-step explanation:

First, you will need to find the other side length.....then you can use the Pythagorean Theorem to find the diagonal:

L x W = 44

4 x W = 44

W =11

Now the Pythag, Theorem:

diagonal^2 = 4^2 + 11^2

d^2 = 16+121

d^2 = 137

d = √(137)

3 0

2 years ago

At the local recycling center, employees are paid every two weeks. If Jeremy was paid 12,480 last year, how much did he make eac

Alborosie

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4 0

3 years ago

15 + 10² • [12 – (12 – 3 • 2)] + 6

IRINA_888 [86]

[ Answer ]

$10458$

[ Explanation ]

Parenthesis

Exponents

Multiply

Divide

Add

Subtract

Parenthesis:

3 * 2 = 12

12 - 12 = 0

12 - 0 = 12

10^2 * 12

10 ^ 2 = 144

144 * 12 = 1728

1728 + 15 = 1743

1743 + 6 = 10458

7 0

3 years ago

Read 2 more answers

Which shows the expression below in simplified form? (7.2 × 107) ÷ (9 × 104) A. 8 × 101 B. -1.8 × 102 C. 8 × 102 D. 8 × 104

Mariana [72]

(7.2 × 10^7) ÷ (9 × 10^4)

= (7.2 / 9) x 10^(7 - 4)

= 0.8 x 10^3

= 8 x 10^2

Answer

C. 8 × 10^2

5 0

3 years ago