3 years ago

Please help thank you!! will give brainlist!

Mathematics

1 answer:

ratelena [41]3 years ago

5 0

Answer:

the third one

Step-by-step explanation:

y+8= 4(x-3)

y+8= 4x-12

y= 4x-20

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The Jones family bought 3 drinks (d) and 3 snacks (s) for $21. The Davis family bought 2 drinks (d) and 3 snacks (s) for $18. Le

mario62 [17]

3d+ 3s = $21 because they bought three drinks and three snacks

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2 years ago

Hi! Please do ALL problems for 50 pts and brainlest:)

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3 years ago

Read 2 more answers

If f(x) = kx^3+ x^2 − kx + 2, find a number k such that the graph of f contains the point (k, -10)

Elina [12.6K]

If we write $k$ where we see $x$ in the equation and set the result equal to $-10$ , we get the result.

$f(k)=k(k)^3+k^2-k(k)+2$
$=k^4+k^2-k^2+2$
$=k^4+2=-10$
$k^4=-12$
$k_{1}=\sqrt[4]{3}(-1-i)$
$k_{2}=\sqrt[4]{3}(-1+i)$
$k_{3}=\sqrt[4]{3}(1-i)$
$k_{4}=\sqrt[4]{3}(1+i)$

4 0

9 months ago

Jan earns 4256 this year which is 28% over last year. What was her salary last year?

bulgar [2K]

This should help you!

6 0

2 years ago

Answer Is not C<br>please help

Katyanochek1 [597]

Answer:

Step-by-step explanation:

Well since it is arthimetic sequence we know the formula

We know d is difference between second term and first so it will be -5- (-12)= -5+12= 7

$a_{n}= a _{1}+ d (n-1) \\a_{n}= -12+7(n-1)\\a_{n} = -12+7n-7\\a_{n}= 7n-19$

the domain of this is 1,2,3,4.......

range is -12,-5,2,9.......

Therefore answer is B.

5 0

2 years ago

Please help thank you!! will give brainlist!​

Please help thank you!! will give brainlist!