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Daniel [21]
3 years ago
10

Please help and explain

Mathematics
1 answer:
mr_godi [17]3 years ago
4 0
All but -1 <x <1
_____________
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Write an equation in slope-intercept form of the line that passes through (-1, 4) and (0, 2).
arsen [322]

Answer:

y=-2x+2

Step-by-step explanation:

Hi there!

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

<u>1) Determine the slope</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 (-1, 4) and (0, 2)

=\frac{2-4}{0-(-1)}\\=\frac{-2}{0+1}\\=\frac{-2}{1}\\= -2

Therefore, the slope of the line is -2. Plug this into y=mx+b:

y=-2x+b

<u>2) Determine the y-intercept</u>

y=-2x+b

Recall that the y-intercept is the value of y when the line crosses the y-axis, meaning that the y-intercept occurs when x is equal to 0.

One of the given points is (0,2). Notice how y=2 when x=0. Therefore, the y-intercept of the line is 2.

Plug this back into the equation:

y=-2x+2

I hope this helps!

6 0
3 years ago
HELPP WORTH 30 Pts for all plz plz plz help
Leya [2.2K]

Answer:

1. 2ft

2. 8yd

3. 144in

4. 0.5ft

5. 18ft

6. 2640ft

7. 5280yd

8. 4.5ft

9. 4yd

10. 90in

11. 36in=3ft

p=4+5+3=12

12. 3ft=36in

2ft=24in

p=24+24+12+12+36=108

5 0
3 years ago
Leila is participating in a
guapka [62]
She needs to ride 46 miles . to get this answer you multiply 61 by 6 and get 366. then you add  up all the numbers and get 320 then you subtract 366 by 320 . 

3 0
3 years ago
Find the value of x for the right triangle. Round your answer to the nearest hundredth
Anna007 [38]

Answer:38.56

Step-by-step explanation:

tan35=opposite ➗ adjacent

0.7002=27 ➗ x

Cross multiplying we get

0.7002(x)=27

Divide both sides by 0.7002

0.7002x ➗ 0.7002=27 ➗ 0.7002

x=38.56041131

x=38.56 nearest hundredth

7 0
3 years ago
$7 is what percent of 10$
marissa [1.9K]

Answer:

7/10

Step-by-step explanation:

you got 7 out of 10 dollars

5 0
3 years ago
Read 2 more answers
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