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nata0808 [166]
3 years ago
9

Which of these is an equation? A 2y + 7 = 9 B 2x > 3 C 3n + 5 D a2 + 2

Mathematics
1 answer:
nikklg [1K]3 years ago
6 0

Answer:

Option A is correct answer.

Step-by-step explanation:

An equation is having two sides equal. It has an = sign in it.

So, Option A 2y+7 = 9 is an equation as it has = sign in it. So, it is correct option.

All other options do not have = sign in them so, they are not equations.

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3 years ago
Ms. O'Conner took a poll of 80 students to find out how they get to school. How many more students get to school on a bus than i
il63 [147K]

Answer:

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Step-by-step explanation:

4 0
3 years ago
X equals ??????????
Ymorist [56]
Answer: x = 18

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7 0
3 years ago
A hydro company is laying down power lines in the ground. They have two sections of cable so far that are 325.0 m and 430.0 m lo
Hoochie [10]

The length of extra cable that is required to connect the two pieces of existing cable is equal to 182 meters.

<h3>How to determine the length of extra cable?</h3>

In order to determine the length of extra cable that is required to connect the two pieces of existing cable, we would apply the law of cosine as follows:

B² = A² + C² - 2(A)(C)cosB

Substituting the given parameters into the formula, we have;

B² = 325.0² + 430.0² - 2(325.0)(430.0)cos23

B² = 105,625 + 184,900 - 279,500(0.9205)

B² = 290,525 - 257,279.75

B² = 33,245.25

B = √33,245.25

B = 182.33 ≈ 182 meters.

Read more on cosine law here: brainly.com/question/11000638

#SPJ1

3 0
2 years ago
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neonofarm [45]

Answer:

C

Step-by-step explanation:

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3 years ago
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