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3 years ago

15

To simplify (5 + 2)^2 + 7 ÷ 7

2 answers:

Sedbober [7]3 years ago

7 0

Parentheses (brackets/braces) are done first according to the order of operations.
Answer A

notka56 [123]3 years ago

6 0

Answer:

A.

Step-by-step explanation:

Parenthesis

Exponents

Division

Multiplication

Addition

Subtraction

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What’s the distance formula

Whitepunk [10]

Step-by-step explanation:

$\text{Let}\ A(x_1,\ y_1)\ \text{and}\ B(x_2,\ y_2).\ \text{Then the distance between}\ A\ \text{and}\ B\ \text{is:}\\\\|AB|=\sqrt{(x_2-x_1)^2+(y_2-y1)^2}\\\\Example:\\\\A(2,\ 5),\ B(-1,\ 1)\\\\|AB|=\sqrt{(-1-2)^2+(1-5)^2}=\sqrt{(-3)^2+(-4)^2}=\sqrt{9+16}=\sqrt{25}=5$

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3 years ago

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Emily and Kylie are 140 miles apart, traveling towards each other. If Kylie travels 12 mph and Emily travels 8 mph how long unti

Bogdan [553]

Answer: 7 hr

Step-by-step explanation:

Given

Distance between Emily and Kylie is $140\ \text{miles}$

Speed of Emily $v_e=12\ mph$

Speed of Kylie $v_k=8\ mph$

Distance traveled by Emily $\Rightarrow d_e=12t$

Distance traveled by Kylie $\Rightarrow d_k=8t$

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They will meet after 7 hour.

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2 years ago

Describe the error in using the percent equation to answer the equation.

zhannawk [14.2K]

The answer would 50.

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3 years ago

The diameter of a circle is 4 cm. Find its area to the nearest tenth.

vazorg [7]

Pretty sure it’s 40 yep

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3 years ago

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HELP ON HOMEWORK PLS

Akimi4 [234]

Answer:

∠LPN = 57°

Step-by-step explanation:

arc LMN = 360° - 102° - 144° = 114°

∠LPN = 114°/2 = 57°

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2 years ago