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adoni [48]
2 years ago
14

What is the equation of the line through (2, -4) and (0, 4)

Mathematics
1 answer:
Thepotemich [5.8K]2 years ago
6 0

Answer:

Step-by-step explanation:

(4+4)/(0-2)= 8/-2 = -4

y + 4 = -4(x - 2)

y + 4 = -4x + 8

y = -4x + 4

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One fabric cost $15.00 for 2 yards. Another cost $37.50 for 5 yards. Do both yards cost the same? Explain.
omeli [17]

Answer:

Yes.

Step-by-step explanation:

Both yards do cost the same.

$15.00 divided by 2 is equal to 7.5.

$37.50 divided by 5 is equal to 7.5.

Therefore, both yards cost the same.

3 0
3 years ago
The volume of a cone is 1/3 that of a cylinder when the radius and height are the same (v= 1/3(pi)(r)^2(h). What is the volume o
Ira Lisetskai [31]

\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}

Actually Welcome to the Concept of the Surface Areas and Volumes.

Since, Volume of cone = 1/3 π r^2 h,

here, r = 10 Inches and h= 12 inches, also π =3.14

so, VOC = 1/3 π (10)^2 × (20)

VOC = 1/3(3.14)(100)(20)= 2093.33 inch^3

=> so the volume of the cone is 2093.33 cubic inches.

5 0
3 years ago
If i have a 91% in a class and i got a 78% on a test, and the test is 20% of my grade, what will my grade in the class be once t
Serggg [28]

Answer:

98%

Step-by-step explanation:

You add 78 and 20.

Tell me if it is wrong.

Thank you.

7 0
3 years ago
Read 2 more answers
Kate can drive 50 miles in 45 minutes. How far can she drive in two hours?
ella [17]

Answer:

about 133.33 mile in two hours

Step-by-step explanation:

1 hour = 60 minutes

2 hour = 120 minutes

45 minutes = 3/4 hour

5 0
3 years ago
A projectile is fired straight up from ground level with an initial velocity of 112 ft/s. Its height, h, above the ground after
arsen [322]

Answer: 3 < t < 4

Step-by-step explanation:

Given the following information :

Initial Velocity of projectile = 112 ft/s

Height (h) above the ground after t seconds :

h = –16t2 + 112t

To calculate the time when h exceeds 192 Feets (h >192)

That is ;

-16t^2 + 112t = > 192

-16t^2 + 112t - 192 = 0

Divide through by - 16

t^2 - 7t + 12 = 0

Factorizing

t^2 - 3t - 4t + 12 =0

t(t - 3) - 4(t - 3) = 0

(t-3) = 0 or (t-4) =0

t = 3 or t=4

Therefore, t exist between 3 and 4 for height in excess of 192ft

–16(3)^2 + 112(3) = 192 feets

–16(4)^2 + 112(4) = 192 feets

3 < t < 4

7 0
2 years ago
Read 2 more answers
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