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Elden [556K]
3 years ago
13

Which ordered pair makes the equation true? 2x – 5y = –10

Mathematics
2 answers:
natali 33 [55]3 years ago
6 0
(5,4) simply substitute the values in! they work :) hope it helped
LUCKY_DIMON [66]3 years ago
5 0
5,4 you just have to substitute the values
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3 years ago
An antique collectible has a value of $235 right now. It will increase in value by 9% each year. Find the value the collectible
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2 years ago
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Which real numbers are zeros of the function?
monitta
<h3><u>The roots are -1/2, 0, 2, and 3.</u></h3>

Let's trying factoring this polynomial.

We can factor an x out of each term to start.

x(2x^3 - 9x^2 + 7x + 6)

We now know one of the roots is going to be zero.

Using the rational roots theorem, and the remainder theorem, we can try to find some more roots that way.

Factors of 6: 1, 2, 3, 6.

Factors of 2: 1

Possible rational roots: +/-1/2, +/-1, +/-2, +/-3/2, +/-3, +/-6

Using the remainder theorem, we can plug these values into the polynomial, and if we get a remainder of zero, we know it's a root.

-1/2(2(-1/2)^3 - 9(-1/2)^2 + 7(-1/2) + 6) = 0

Our first root is -1/2.

We can successfully factor a -1/2 out of this polynomial.

After diving the polynomial by -1/2, we're left with: 2x^2 - 10x + 12.

We can now try using the AC method to get our last two roots.

First, we can factor this polynomial to simplify it.

Divide all terms by 2.

2(x^2 - 5x + 6)

Now let's try using the AC method.

The digits -3 and -2 satisfy the criteria.

2(x - 3)(x - 2)

We now have all of our roots: 0, -1/2, 2, and 3.


6 0
3 years ago
Explain how knowing that five divided by eight equals 0.625 helps you write the decimal for four and five eighth
NNADVOKAT [17]
5/8=0.625

4 and 5/8=4+5/8=4+0.625=4.625
you can just seperate the fractions and add
4 0
2 years ago
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