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Leviafan [203]
3 years ago
15

George is reading a book. After 3 hours he has read 90 pages, and at the end of 5 hours he has read 180 pages. What is the avera

ge rate of change? ____ pages/hour Type your numerical answer below.
Mathematics
1 answer:
Andrew [12]3 years ago
8 0

Answer:

6/1

Step-by-step explanation:

He read 90 pages in 3 hours so it's 30/1 pages/hour

Then he reads 180 pages in 5 hours so it's 36/1 pages /hours

the rate of difference is 30/1 ÷ 36/1 is 6 pages per hour

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Will give brainliest if correct! Which of the following is not a solution to the inequality 3−(7−2x)>−8?
Mashcka [7]

Answer:

-3

Step-by-step explanation:

3-(7-2x) > -8

get rid of the parentheses because there is a minus sign before them

3-7+2x > -8

replace x with all the numbers (one by one not all at once) and see if the equation is correct until you find the number that makes it incorrect.

<u>EXAMPLE:</u>

3-7+2(1) > -8 parentheses next to a number means multiply

3-7+2 > -8

3-7 = -4

-4 + 2 = -2

-2 is greater than -8

5 0
3 years ago
Evaluate. ( please please help me if I don’t pass this class I have to retake the year)
AlexFokin [52]

Answer:

1/2

Step-by-step explanation:

I think. So sorry if wrong

5 0
3 years ago
If x=10, find m∠WYZ<br><br> Will choose brainliest
Norma-Jean [14]

Answer:

23˚

Step-by-step explanation:

If x = 10, then angle VYZ = 157 by basic algebra. Knowing that VYZ and WYZ are supplementary angles, we can do 180-157 to find angle WYZ. 180-157 = 23˚

7 0
1 year ago
I don’t know the answer to the question in the picture above
Andrej [43]

Answer:

x=-7/4

Step-by-step explanation:

4x+7=0

4x=-7+0

4x=-7

x=-7/4

8 0
3 years ago
There are 6 animals in the pen some are quails and some are goats if there are 20 legs in all how many quails and how many goats
yawa3891 [41]

Answer:

4 goats

Step-by-step explanation:

Let us represent

Number of quails = x

Number of goats = y

Quails have 2 legs

Goats have 4 legs

Hence:

There are 6 animals in the pen some are quails and some are goats

x + y = 6...... Equation 1

x = 6 - y

if there are 20 legs in all how many quails

2x + 4y = 20..... Equation 2

We substitute 6 - y for x in Equation 2

2(6 - y) + 4y = 20

12 - 2y + 4y = 20

Collect like terms

- 2y + 4y = 20 - 12

2y = 8

y = 8/2

y = 4 goats

The number of goats there are 4 goats

8 0
3 years ago
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