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san4es73 [151]
3 years ago
13

HELP ASAPPPPP PLEASE

Mathematics
1 answer:
patriot [66]3 years ago
8 0

Answer:

13. -200, balance on car loans

14. 8, monthly payments

15. linear eqn, y=ax+b

16.values of y will decrease.(although i think the graph will remain linear)

17. as the monthly payment decrease so does the balance on car loan decrease.

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What is the focus of the parabola? y=14x2−x−1 <br> Enter your answer in the space.. <br> ( ?,? )
dmitriy555 [2]
This is a vertical parabola which opens upwards
we have the general formula
(x - h)^2 = 4p(y - k)   where p is the  y coordinate of the focus

y/14 = x^2 - x /14 - 1/14

add 1/14 to both sides

y/14 + 1 /14 = x^2 - x /14

now complete the square  

y/14 + 1/14 = x^2 - x/14  + 1/28^2

y/14 + 1/14 = (x - 1/28)^2

(x - 1/28)^2 = 1/14( y + 1)


comparing this with the general form:-
4p = 1/14
p =  1/56

so the focus is at (h,p) = (1/28, 1/56)

5 0
3 years ago
Read 2 more answers
PLS PLS PLS HELP ME ! SOLVING OUT WILL RECIEVE BRAINLY POINTS AND BRAINLIEST TITLE
kotegsom [21]

Answer:

WHAT DOES BRAINLEST MEAN CAN SOMEONE TELL ME???

Step-by-step explanation:

7 0
2 years ago
Simpfly 8x + 7 – 2x – 4
Aliun [14]

Answer:

Hi there!

The answer to this question is: 6x+3

Step-by-step explanation:

Step 1: combine alike terms

in the equation there are two numbers that end with x: 8x and -2x

you simply add them together to get 6x

Step 2: combine numbers

in this equations there are two numbers: 7 and -4

you simply add them together to get 3

Then your final answer should be 6x+3

8 0
3 years ago
Factor by grouping. 9c^3-12c^2+18c-24
xeze [42]

Answer:

9c^3 - 12c^2 - 18c - 24= [3c^2 - 6][3c - 4]

Step-by-step explanation:

Given

9c^3 - 12c^2 - 18c - 24

Required

Factor

Group into 2

[9c^3 - 12c^2] - [18c + 24]

Factorize each group

3c^2[3c - 4] - 6[3c - 4]

Factor out 3c - 4

[3c^2 - 6][3c - 4]

Hence:

9c^3 - 12c^2 - 18c - 24= [3c^2 - 6][3c - 4]

8 0
2 years ago
Expand 3(n+6)<br> This for the test
MrRa [10]

Step-by-step explanation:

expanded = 3n + 18

<em>plz </em><em>mark</em><em> my</em><em> answer</em><em> as</em><em> brainlist</em><em> plzzzz</em><em> if</em><em> you</em><em> find</em><em> it</em><em> useful</em><em> ☺️</em><em>.</em>

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2 years ago
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