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Margaret [11]
3 years ago
8

Two consecutive negative integers have a product of 30. what are the integers?

Mathematics
2 answers:
kolezko [41]3 years ago
5 0

Answer:

We have two sets of numbers

-6,-5        5,6

Step-by-step explanation:

Consecutive integers are next to each other

x, x+1

Product means multiply

x(x+1) = 30

Distribute

x^2 +x=30

Subtract 30 from each side

x^2 +x-30 = 30-30

x^2+x-30 =0

Factor

What 2 numbers multiply to give us -30 and add to 1

6 * -5 = -30

6-5 = -1

(x+6) (x-5) = 0

Using the zero product property

x+6=0   x-5=0

x=-6     x=5

x+1  is the next number

-6,-5        5,6

We have two sets of numbers

-6,-5        5,6

kupik [55]3 years ago
3 0

Answer:

The two numbers are -4 and -5.

Step-by-step explanation:


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2 years ago
A new Community Center is being built in Oak Valley. The perimeter of the rectangular playing field is 382 yards. The length of
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Answer:

The width is 50 yards and the length is 141 yards.

Step-by-step explanation:

Let's call: L the length of the field and W the width of the field.

From the sentence, the perimeter of the rectangular playing field is 382 yards we can formulate the following equation:

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Because the perimeter of a rectangle is the sum of two times the length with two times the width.

Then, from the sentence, the length of the field is 9 yards less than triple the width, we can formulate the following equation:

L = 3W - 9

So, replacing this last equation on the first one and solving for W, we get:

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3 0
2 years ago
Solve for x <br> -1(-3x^2+2x+8)=1(0)
Igoryamba
Exact form: X = -4/3, 2
Decimal form: x= -1.3 repeat, 2
4 0
2 years ago
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PLEASE HELP ME SOLVE!
Crank

Answer:

F(-6) = <u>2*(-6) + 1</u>

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= <u>-11  </u>

  -32

=   <u>11     </u>

      32

5 0
3 years ago
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