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Mama L [17]
3 years ago
11

Someone plz help me this is so hard

Mathematics
1 answer:
Radda [10]3 years ago
4 0

Okay, so the first graph shows the amount that Leona is payed versus the number of newspapers she delivers.

We can clearly see from the graph; the more newspapers she delivers, the more she's payed.

For the second question (the table), it looks like the fixed fee for the boat rental was $27, as that's the number that really doesn't match the rest of the table. (Not to mention it's the very first number.

Then, the hourly rate is $12, as the price rises by 12 every hour after hour 1.

For the third question, the y-intercept is the amount of money in Colby's savings after x amount of years.

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PLZ HELP ASAP
svet-max [94.6K]
Answer is D:
e + 5 = 3e - 11

2e = 16
e = 8

Ella is 8 years old
Jamie is 8+5 = 13 years old
6 0
3 years ago
Use the intersect method to solve: x^2+1=-x^2+9
Sergio [31]

Answer:

x={-2,2}

Step-by-step explanation:

Graph them when intersecting.

Algebraically:

x^2 + 1 = -x^2 + 9

Add x^2 on both sides and subtract 1 on both sides.

2x^2 = 8

Divide 2 on both sides

x^2 = 4

Square root on both sides

|x| = 2

Remove abs value by putting + or - on the other side

x = {-2,2}

Please mark for Brainliest!!  :D Thanks!!

For more information or any questions, please comment below and I'll respond as soon as possible!! :)

8 0
3 years ago
Lia can paint 600 square feet in 2 and a half hours at this rate how many square feet can she paint in 1 hour
lyudmila [28]
The answer would be that she can paint 240 square feet in one hour!
7 0
3 years ago
I am not sure how to do this please
lord [1]

Answer:

6 to the power of 2

Step-by-step explanation:

Im pretty sure when you are dividing powers you subtract them. Check that on maths watch first

3 0
3 years ago
Read 2 more answers
Find a cubic function with the given zeros.
tester [92]

The cubic function is f(x)=x^3+3x^2-46x-168

Option D is correct

Step-by-step explanation:

We need to find the cubic function with the given zeros -6,7,-4

If -6,7,-4 are zeros of the function then:

x=-6, x=7 and x=-4

=> x+6=0,x-7=0 and x+4=0

Multiplying these terms to find the cubic function:

(x+6)(x-7)(x+4)

Solving:

(x+6)(x-7)(x+4)\\=(x+6)(x(x+4)-7(x+4))\\=(x+6)(x^2+4x-7x-28)\\=(x+6)(x^2-3x-28)\\=x(x^2-3x-28)+6(x^2-3x-28)\\=x^3-3x^2-28x+6x^2-18x-168\\Combining\,\,like\,\,terms:\\=x^3-3x^2+6x^2-28x-18x-168\\=x^3+3x^2-46x-168

So, the cubic function is f(x)=x^3+3x^2-46x-168

Option D is correct

Keywords: cubic function

Learn more about cubic function at:

  • brainly.com/question/1464739
  • brainly.com/question/1560475
  • brainly.com/question/2568692

#learnwithBrainly

5 0
3 years ago
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