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wel
3 years ago
13

Find the sum and express it in simplest form (-b-5x-3)+(2b-4x+7)

Mathematics
2 answers:
vovikov84 [41]3 years ago
6 0
-b - 5x - 3 + 2b - 4x + 7....combine like terms
b - 9x + 4 <==
rodikova [14]3 years ago
5 0
Combine like terms. Like terms are terms that are the same excluding coefficients.

-b+2b=b
-5x-4x=-9x
-3+7=4

Put it all together
Final answer: b-9x+4
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What is the slope of the line through (1,0) and (3,8)
Arturiano [62]

Slope = (y2 - y1)/(x2 - x1)

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Answer

4

6 0
3 years ago
Read 2 more answers
The morning temp. In Atlanta, Georgia is 21 1/4 degrees. During the day it warms up 6 2/7 degrees. What is the new temp
pogonyaev

Answer:

27 15/28 degrees

Step-by-step explanation:

Since we are adding 21 1/4 to 6 2/7, we need to find the LCD, or, least common denominator, so that we can add 1/4 and 2/7 together.

1*4=4             1*7=7

2*4=8           2*7=14

3*4=12          3*7=21

4*4=16          <u>4*7=28</u>

5*4=20

6*4=24

<u>7*4=28</u>

Since we had to multiply 7 four times to get it equal to 28, we need to take 2/7 * 4/4. This will give you 8/28. Then, since we multiplied 4 seven times to get it equal to 28, we need to take 1/4 *7/7. This will give you 7/28. Finally, you need to add 8/28 and 7/28 since they now share the same denominator.

8/28 + 7/28=15/28

For our last step, we need to add the whole numbers together so the answer is complete.

21+6=27

27+15/28= 27 15/28 degrees

6 0
3 years ago
How did you get these figures?
Serggg [28]
These figures?
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5 0
3 years ago
Jeffrey's recipe for oatmeal muffins calls for 2 1 4 cups of oatmeal and makes one dozen muffins. If he makes 2 dozen muffins fo
I am Lyosha [343]

Answer:

He will use about 12.375 cups of oatmeal

Step-by-step explanation:

5 0
3 years ago
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melomori [17]

Answer:

-28x^3-28x^2+16x+15

Step-by-step explanation:-28x^3-28x^2+16x+15

7 0
2 years ago
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