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2 years ago

Combine the like terms to create an equivalent expression: 7p-(-5)+(-1)

Mathematics

1 answer:

Aneli [31]2 years ago

3 0

Answer:

Remove parentheses.

7p+5-1

Collect like terms.

7p+(5-1)

Simplify.

7p+4

There u go mate

Step-by-step explanation:

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Cristine's middle school has a total of 900 students and 45 teachers. The local high school has 110 teachers and a student-teach

RUDIKE [14]

Well what I would do first is divide the 900 student by the 445 teacher to get 20 students per teacher. Now I would take that 20 and multiply it by 110 teacher to get 2200 Students.

Answer= C) 2200 Students

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A robot that makes _/6 of a boat per day will make 5 boats in 6 days

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2 years ago

Question 6

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Answer:

Actual volume = 40 cm^3.

Step-by-step explanation:

15% = 0.15 as a decimal fraction.

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x + 0.15x = 46

1.15x = 46

x = 46 / 1.15

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2 years ago

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2 years ago

Read 2 more answers

Lin rode a bike 20 miles in 150 minutes. If she rode at a constant speed, how far did she ride in 15 minutes? How long did it ta

coldgirl [10]

Hey there! :)

Answer:

First part: 2 miles.

Second part: 45 minutes

Third part: 8 mph.

Step-by-step explanation:

We can divide this question into 3 parts.

Begin by solving for the distance traveled after 15 minutes by creating a ratio:

$\frac{20 mi}{150min} = \frac{x}{15 min}$

Cross multiply:

20 · 15 = 150 · x

300 = 150x

300/150 = 150x/150

x = 2 miles.

2nd part: How long it took her to ride 6 miles.

Set up another ratio similar to the one used before:

$\frac{20 mi}{150min} = \frac{6mi}{x min}$

Cross multiply:

20 · x = 6 · 150

20x = 900

20x/20 = 900/20

x = 45 minutes.

3rd part:

For this part, we will need to convert from minutes to hours.

$\frac{20 mi}{150 min}* \frac{60 min}{1 hr} = \frac{1200mi}{150hr} = 8 mi/h$

Therefore, her speed is 8 mph.

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2 years ago