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3 years ago

Whats? Using Combine like terms - 7c + 5c =

Mathematics

1 answer:

dsp733 years ago

3 0

Answer:

You combine like terms like if they have the same variable.

Step-by-step explanation:

If we look at the equation we can see both numbers have the same variable. So we add the coefficients and keep the variables the same.

-7c+5c= -2c

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That's the only point within the circle, and it seems like the center. In these questions, just assuming it's perfectly in the center typically works.

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4 years ago

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Suppose Richard walks 1 kilometer every 10 minutes. How many meters further can he walk in 1 hour at this new rate?

Andrej [43]

Richard walks
1 kilometer : 10 minutes

That would mean

6 kilometers : 60 minutes

<span>Hope that helps and correct me if I'm wrong!</span>

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3 years ago

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Tcecarenko [31]

Answer:

where is the question

Step-by-step explanation:

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PLEASE HELP!

leva [86]

Answer:

B. 56°

Step-by-step explanation:

We are given that m∠R is 66° and m∠T is 122°.

We can apply the supplementary rule since ∠S and ∠T are a linear pair. So, we can use ∠T to find ∠S through 180° - 122° = 58°.

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8 0

3 years ago

The data below are the monthly average high temperatures for New York City. What is the five-number summary? 40, 40, 48, 61, 72,

yawa3891 [41]

Answer:

B) Sample minimum: 40, Sample maximum: 84

Q1: 45, Median: 63, Q3: 77

Step-by-step explanation:

The first step is to write the temperatures in crescent order:

40, 40, 42, 48, 54, 61, 65, 72, 76, 78, 84, 84,

The sample minimum is the lowest value = 40

The sample maximum is the highest value = 84.

Since there are 12 numbers, the sample median is the average between the 6th and 7th terms:

$M = \frac{61+65}{2}\\ M=63$

The first quartile is the average between the 3rd and 4th terms:

$Q_1 = \frac{42+48}{2}\\ Q_1=45$

The third quartile is the average between the 9th and 10th terms:

$Q_3 = \frac{76+78}{2}\\ Q_3=77$

Therefore, the answer is:

B) Sample minimum: 40, Sample maximum: 84

Q1: 45, Median: 63, Q3: 77

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3 years ago