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victus00 [196]
2 years ago
7

(10pts) find all the solutions to the equations.

Mathematics
2 answers:
kari74 [83]2 years ago
8 0
I think they are all correct
xxTIMURxx [149]2 years ago
4 0
All of your solution is right
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Find the value of x. If your answer is not an integer express it in simplest radical form.
joja [24]
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3 years ago
What is the greatest number which can be made using each of the digits 5,3,1,4,7?
Xelga [282]
75,314 because it is only 5 numbers so this is correct.
4 0
3 years ago
Jenna has at most $80 to spend on clothes. She wants to buy a pair of jeans for$22 and spend the rest on t-shirts. Each t-shirt
weqwewe [10]

Answer:

7 shirts

Step-by-step explanation:

You first have to subtract 22 from 80, since that's how much she already spent, 80-22=58. Now you have to do 58/8, but since 8 doesn't divide evenly into 58, you have to go with the closet multiple of 8 which would be 56. 7x8=56, so Jenna can buy a maximum number of 7 shirts.

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2 years ago
The value in cents of 4 quarters and x dimes is
Zina [86]
To add numbers, their units should be the same. We need first to convert the quarters and dimes into cents.
4 quarters is equal to 100 cents, while a dime is equal to 10 cents.
In formula, the answer would be 100+10x. ( x refers to the number of dimes)
4 0
3 years ago
What are the x-intercepts of y=x^2+2x-15
Sedbober [7]

Answer:

(-5,0) and (3,0)

Step-by-step explanation:

Think about it.

What two numbers multiply to -15 and add up to 2?

The answers are 5 and -3.

So plug that into the factored form of a parabola.

y=(x+5)(x-3)

To find the x-intercepts, plug in 0 for y.

(x+5)(x-3)=0

Since we are multiplying, at least one of the terms has to equal 0.

x+5=0 \\ x-3=0 \\ \\ x=-5,3

So the x-intercepts are (-5,0) and (3,0).

8 0
3 years ago
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