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Eduardwww [97]
3 years ago
8

What is an equation of the line that passes through the points (-7, -7) and(-5, -3)?​

Mathematics
2 answers:
antoniya [11.8K]3 years ago
6 0
What they said !!!!!!
Feliz [49]3 years ago
4 0

Answer:

y = 2x + 7

Step-by-step explanation:

We can use slope-intercept form.

y = mx + b

slope m = (y2- y1)/(x2-x1) = (-3-(-7))/(-5 -(-7)) = 4/2 = 2

m = 2

y = 2x +b

To find b we can use one of the points for example (-5,-3)

-3 = 2*(-5) + b

-3 = - 10 + b

b = 7

y = 2x + 7

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Simplify completely.<br><br> (w15/w5)4<br><br> Enter your answer in the box.
Vlad [161]

Answer:w40

Step-by-step explanation:

w15/w5 = w10

(w10)^4 = w40

3 0
3 years ago
 If a sphere has a circumference of 138.16 ​in., what is the surface area of the​ sphere?
BigorU [14]
The surface area is 6075.96 in^3
5 0
3 years ago
What is the equivalent fraction of 84/120?
Zigmanuir [339]
84/120 can be reduced to 7/10
7 0
3 years ago
To buy a car, you borrow $25,000 with a term of three years at an APR of 6.5%. What is your monthly
Finger [1]

Answer:

  $766.23

Step-by-step explanation:

The amortization formula is appropriate for this. (Better, use a financial calculator or spreadsheet.)

  A = P(r/12)/(1 -(1 +r/12)^-(12t))

where P is the amount borrowed (25,000), r is the annual rate (0.065), and t is the number of years (3).

Putting the given numbers into the formula, we have ...

  A = $25,000(0.065/12)/(1 -(1 +0.065/12)^(-36))

  A = $25,000(.00541667)/(1 -1.00541667^-36)

  A = $25,000(0.00541667)/(0.1767322)

  A = $766.23

The monthly payment is $766.23.

_____

<em>Comment on tools</em>

A graphing or scientific calculator is useful for these. Something like a TI-84, or any of the equivalents, will have financial calculations like this built in. There are also numerous apps available for phone or tablet that will do financial calculations.

4 0
3 years ago
Carissa and Louann both have savings accounts. Carissa has $250 in her account and deposits $80 per month. Louann has $1230 in h
zlopas [31]
Carissa value after x months=current+amount deposited
louan value after x months=current-amount taken out

carissa depositied=amount per month times x months=80x
louan take out=amount per month tiems x months=60x

when wil amount be equal
se equal

cariss=lousa
250+80x=1230-60x
add 60x both sides
250+140x=1230
minus 250 both sides
140x=980
divide both sides by 140
x=7

find how much that is
250+80(7)=250+560=810


7 months both have $810
8 0
3 years ago
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