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3 years ago

Find the slope - intercept for of the lime whose slope is 7 and that passes through point (-4,6)

Mathematics

1 answer:

CaHeK987 [17]3 years ago

4 0

Y - y₁ = m(x - x₁)
y - 6 = 7(x - (-4))
y - 6 = 7(x + 4)
y - 6 = 7(x) + 7(4)
y - 6 = 7x + 28
<u> + 6 + 6</u>
y = 7x + 34

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F(x)=x^2-3x; Find f(-8)

Bumek [7]

F(x) = x^2 - 3x
f(-8) = (-8)^2 - 3(-8)
f(-8) = 16 - (-24)
f(-8) = 16 + 24
f(-8) = 40 (Answer)

Hope this helps

3 0

3 years ago

Please help me solve numbers 4, 5, and 6 with some type of explanation as to how you got that answer.

Mila [183]

Answer:

4.R=16

D=16+16=32

$\pi \times d$

C=32π

then do the same thing for other problem

6 0

3 years ago

V+ 7≥ 5 please help me I do not know this

Viktor [21]

Answer:

v>-2 ( the > is underlined)

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

What us the midpoint of A(-8,2) and B(4,-2)

marusya05 [52]

Answer:

(-2 , 2)

Step-by-step explanation:

A(-8 , 2) = (x1 , y1)

B(4 , -2) = (x2 , y2)

midpoint = (x1 + x2/2 , y1 + y2/2)

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

=(-4/2 , 2+2/2)

(-2 , 2)

(3 , 7) = (x1 , y1)

(9 , 2) = (x2 , y2)

distance of PQ = $\sqrt{(x2 - x1)^2 + (y2 - y1)^2}$

= $\sqrt{(9 - 3)^2 + (2 - 7)^2}$

= $\sqrt{(6)^2 + (-5)^2}$

= $\sqrt{36 + 25}$

= $\sqrt{61}$

=7.8 unit

4 0

3 years ago

An ant walk about 3 inches per second how many miles per day could an ant travel if it walked without a break?

erastovalidia [21]

Answer:

Step-by-step explanation:

45/11 miles per day or ~4.091 miles per day

Step-by-step explanation:

3 inches per second

24 hours in a day

60 minutes in 1 hour

60 seconds in 1 minute

Amount of inches per minute: 3 x 60 = 180 inches

Amount of inches per hour: 180 x 60 = 10,800 inches

Amount of inches per day 10,800 x 24 = 259,200 inches

To find the number of feet that 259,200 inches is, divide by 12.

259,200/12 = 21,600 feet per day

To find the number of miles that 21,600 feet is, divide by 5280.

21,600/5280 = 45/11 = 4.09090909091 = ~ 4.091

So, an ant could walk 45/11 miles per day or ~4.091 miles per day if it walked without taking a break.

4 0

3 years ago

Read 2 more answers