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ElenaW [278]
3 years ago
13

WILL GIVE BRAINLIEST!!!!!

Mathematics
2 answers:
azamat3 years ago
7 0
1,2,4,8
start with 1 and then multiply by 2 repeatedly

50,40,30,20
start with 50 and then add -10 repeatedly
devlian [24]3 years ago
4 0
The answer is b for both questions
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The function f(x) = 1.50x – 30 gives the amount of money Amelia has to spend each week for x school lunches, after taking money
Naya [18.7K]
To find the inverse, switch the x and y, and then solve for y (f(x) is the same as y)

So we get:
x=1.50y-30 (add 30 to both sides)
x+30=1.50y (divide both sides by 1.5)
x/1.5+30/1.5=y
y=x/1.5+20

Hope this helps
7 0
3 years ago
Solve the equation for x. 1 3 (6x − 9) = −33
KIM [24]

Answer:

<u>x = 1.07</u>

Step-by-step explanation:

13 ( 6x - 9) = -33

78x  - 117 = -33            ( opening brackets and multiplying )

78x  = 84                     ( - 117 taken to the other side makes it positive)

  x  =  84 / 78

  x  =  <u>1.07</u>

7 0
3 years ago
Read 2 more answers
(7,-9) and (-3,-6)<br> Find the slope
kow [346]

Answer:

-3/10

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-6-(-9))/(-3-7)

m=(-6+9)/-10

m=3/-10

m=-3/10

7 0
3 years ago
As a salesperson, you are paid $92 per week plus $4 per sale. This week you want your pay to be at least $200. Write an inequali
BARSIC [14]
The answer is D

You need to make at least $200 so that is greater then or = to. You subtract 92 from 200 which gives you 108. From there you take 108/4 which is 27

5 0
3 years ago
Two real solutions of tx^2+3x_7=0
Olegator [25]

The number of solutions of a quadratic equation

ax^2+bx+c=0

Depends on its discriminant

/Delta=b^2-4ac

If /Delta>0 there are two distinct solutions

If /Delta=0 there are two coincident solutions

If /Delta<0 there are no solutions.

We know that there are two real solutions (I assume you mean distinct solutions), so we know that the discriminant is positive:

The number of solutions of a quadratic equation

Depends on its discriminant

If there are two distinct solutions

If there are two coincident solutions

If there are no solutions.

We know that there are two real solutions (I assume you mean distinct solutions), so we know that the discriminant is positive:

b^2-4ac=9+28t>0\iff t>-\dfrac[9][28]

3 0
3 years ago
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