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Nookie1986 [14]
4 years ago
8

Help and get 6 points!

Mathematics
2 answers:
timofeeve [1]4 years ago
7 0
10 hours was the full time she painted
Lesechka [4]4 years ago
4 0
15a. 1/2
15b. 3
15c.
2 \frac{1}{2}
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Solve the following non-linear system of equations algebraically.
ExtremeBDS [4]

Answer:

x = -2

Step-by-step explanation:

since y is common in both equations, you can equate them to be equal

-2x² - 4x + 5 = 2x² + 4x + 5

4x² + 8x = 0

factor out 4x

4x(x + 2) = 0

divide both sides by 4x

x + 2 = 0

x = -2

6 0
4 years ago
6. A graph with a<br> slope decreases from left to right.
Alexeev081 [22]
Please provide an image or other when you ask a question, as you’re not gonna get a clear answer
6 0
3 years ago
Read 2 more answers
He truck is rented at $40 per day plus they charge per mile of use the truck travel 15 miles in one day and the total charge was
Allushta [10]

Answer:

115 = 15 x + 40

the charge is $5 dollars per mile

Step-by-step explanation:

He truck is rented at $40 per day plus they charge per mile of use the truck travel 15 miles in one day and the total charge was 115

LEt x  be  the charge in dollars per hour

Initial charge is 40 and 15 miles travelled  in one day

total charge = 15x + 40

Given : total charge is 115

So the equation becomes

115 = 15 x + 40

Now we solve for x

Subtract 40 from both sides

75= 15 x

Divide both sides by 15

x= 5

so , the charge is $5 dollars per mile

7 0
3 years ago
Read 2 more answers
I need help with these please
Kipish [7]

Answer:

Q1 (-2,-5)(0,3)(4,19)(7,31)

Step-by-step explanation:

8 0
3 years ago
Please show your work and thank you!
Makovka662 [10]

old weight - decrease = new weight


decrease = weight * percent

decrease = 72 * .125 = 9 lbs


old weight - decrease = new weight

72 - 9 = new weight

63 lbs

A healthy weight for the dog  is 63 lbs


4 0
3 years ago
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