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Eddi Din [679]
3 years ago
15

What does 2 gallons plus 7 gallons equal

Mathematics
1 answer:
iren [92.7K]3 years ago
3 0

Answer:

the answer is 9 gallons its just like normal addition in math.

Step-by-step explanation:

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Translate the word phrase into a math expression. 11 times the sum of a number and 15
Alex17521 [72]
11 times the sum of a number and 15
11 *                (x+15)
11(x+15)
the answer is D.
7 0
3 years ago
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Find an equation of the line passing through the pair of points. Write the equation in slope-intercept form. (2,8), and (8,2)
leonid [27]

Answer:

y=-x+10

Step-by-step explanation:

Hi there!

Slope intercept form: y=mx+b where m is the slope of the line and b is the y-intercept (the value of y when the line crosses the y-axis)

<u>1) Find the slope (m)</u>

m=\frac{y_2-y_1}{x_2-x_1} where the two given points are (x_1,y_1) and (x_2,y_2)

Plug in the given points (2,8),and (8,2)

​m=\frac{2-8}{8-2}\\m=\frac{-6}{6}\\m=-1

Therefore, the slope of the line is -1. Plug this into  y=mx+b:

y=-x+b

<u>2) Find the y-intercept (b)</u>

y=-x+b

Plug in a given point and solve for b

8=-2+b

Add 2 to both sides

8+2=-2+b+2\\10=b

Therefore, the y-intercept is 10. Plug this back into y=-x+b:

y=-x+10

I hope this helps!

3 0
3 years ago
Mai has 4 CDs that she is going to give away. She lets her best friend choose 3 of the 4 CDs. How many different groups of 3 CDs
Alekssandra [29.7K]
You can make 24 different groups of cds
4 0
3 years ago
A house was valued at $540,000 last year. The house has now appreciated and increased in
Zigmanuir [339]

Answer:

The house worth now: $540,000*(1+4%)= $561,600

Step-by-step explanation:

4 0
3 years ago
five more than the product of a number n and 8 is at least 100. Write an inequality that can be used to find all positive values
hjlf

"More than" indicates addition, and "product" indicates multiplication.



The inequality is:



5 + 8n >= 100



Now we can solve for all positive values of n:



5 + (-5) + 8n >= 100 + (-5)



8n >= 95



8n/(8) >= 95/(8)



n >= 11.875



So all positive values of n include everything between 11.875 and positive infinity, inclusively.

5 0
3 years ago
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