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kap26 [50]
3 years ago
6

Find two consecutive odd integers whose product is 99

Mathematics
1 answer:
Illusion [34]3 years ago
8 0
Let x be the first odd number.

Second odd number will be x+2

Proof:

If 3 (was) the first odd number, 3+2 would be the next which is 5.

So,

(x) (x+2) = 99
xsquare + 2x = 99
xsquare +2x - 99 = 0
xsquare +11x - 9x -99 = 0
x(x +11) -9(x + 11) = 0
(x+11) (x-9) = 0

So the two odd numbers were 9 and 11
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What is the solution to the system of equations below? y = -2x - 6 and 2y = -4x - 12
katen-ka-za [31]

Answer: Infinitely Many Solutions

Step-by-step explanation:

Substitute y into the second equation:

2(-2x-6)=-4x-12

Then you get -4x-12=-4x=-12. Since this is 0=0 it would make it infinitely many solutions.

6 0
3 years ago
Y=x​2​​−6x+10​<br> y=4−x​​<br><br><br> How do I substitute?
Shtirlitz [24]

Answer:

(2,2) and (3,1)

Step-by-step explanation:

Since we're given the value of y in the second equation, we can replace the y on the left side of the first equation with 4-x, giving us

4-x=x^2-6x+10\\0=x^2-5x+6

We can factor the expression on the right to get us

0=x^2-5x+6\\0=x^2-3x-2x+6\\0=x(x-3)-2(x-3)\\0=(x-2)(x-3)

Solving x-2=0 and x-3=0 gets us the solutions x=2,3, which we can plug into the second equation to get us

y=4-2=2\\y=4-3=1

So, our solution set is the pair of points (2,2) and (3,1)

7 0
3 years ago
What is the maximum number of possible extreme values for the function f(x)=x^4+x^3-7x^2-x+6
notka56 [123]

A 4th degree polynomial will have at most 3 extreme values. Since the degree is even, there will be one global extreme, with possible multiplicity. The remainder, if any, will be local extremes that may be coincident with each other and/or the global extreme.


(The number of extremes corresponds to the degree of the derivative, which is 1 less than the degree of the polynomial.)

3 0
3 years ago
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Find the value of y if given: 20y-2, 17y +3, 5x + 8, 21x
rodikova [14]
<span>20y-2=
20y=2
20y/20=2/20
y=0.1

</span>17y +3<span>=
</span><span>17y=-3
17y/17=-3/17
y=-0.176

</span>
7 0
3 years ago
What is 1 multiplied by 1
andrew-mc [135]
One times one equals one anything times one is the same

4 0
3 years ago
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