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Doss [256]
3 years ago
6

Please need help asap

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
6 0

x+11+3x+19=90

4x+30=90

4x=60

x=15

15+11 = 26

15x3+19 = 64

Ans: B

Hope this helps

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Which of the following is the same as 8.4 × 102 ? A. 84 B. 8,400 C. .84 D. 840
aleksklad [387]
Based on the given answers, do you possibly mean 100 instead of 102?
If so, you would move the decimal point of 8.4 two places to the right, meaning the answer would be letter D. 840.
6 0
3 years ago
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
50 apples cost $25.how much would 75 apples cost​
inessss [21]

Answer:

150

Step-by-step explanation: one apple cost $0.50, so 75/ $0.50= 150

6 0
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What two whole numbers does √22 fall between?<br><br> What two whole numbers does √62 fall between?
RoseWind [281]

Answer:

The 2 whole numbers that fall between √22 are 4 and 5

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The 2 whole numbers that fall between √62 are 7 and 8

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Step-by-step explanation:

8 0
4 years ago
Untitled Question
navik [9.2K]

Answer:

B

Step-by-step explanation:

I copied some smart kid

6 0
3 years ago
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