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PIT_PIT [208]
3 years ago
8

Which polynomial lists the powers in descending order?

Mathematics
1 answer:
My name is Ann [436]3 years ago
8 0
The answer is choice D:
exponents are listed from highest to lowest.
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Can someone explain what to do
castortr0y [4]

Answer:

8

Step-by-step explanation:

The equation of the parabola can be represented as

y = a(x + 1)(x - 5)

for some constant a.

Since the coefficient of x² is 2, a = 2, so

y = 2(x  + 1)(x - 5) \\  \\ y = 2( {x}^{2}  - 4x + 5) \\  \\ y = 2 {x}^{2}  - 8x + 10

So, the answer is 8.

7 0
2 years ago
Solving for x<br><br> r + 11 + 8r = 29
NikAS [45]

Answer:

r=2

Step-by-step explanation:

r + 11 + 8r = 29

add the like terms

r+8r+11=29

9r+11=29

then subtract 11 on both sides to eltimate 11

9r=18

lastly divide 9 on both sides

r=2

7 0
3 years ago
Read 2 more answers
How would you solve this(what is the equation of the line that passes through the point (3,4) and has a slope of -2/3?)//delta m
andre [41]

Answer:

y = -\frac{2}{3}x + 6

Step-by-step explanation:

y = mx + b is the formula for slope intercept. What we can do is plug in the slope and coordinate points to find the y-intercept.

4 = -\frac{2}{3}(3) + b

-2/3 times 3 is -2 so you can fill that in place.

4 = -2 + b

<u>+2   +2     </u>

6 = b

So the y-intercept is 6 now we can complete the equation.

y = -\frac{2}{3}x + 6

Hope that helps and have a great day!

6 0
3 years ago
If n = 5 and r = 3 Find "Cr.​
Marat540 [252]

Answer:

Cr = 10

Step-by-step explanation:

To calculate combinations we use the nCr formula: nCr = n! / r! * (n - r)!, where n = number of items, and r = number of items being chosen at a time.

C(n,r)=[?]

C(n,r)=C(5,3)

=\frac{5}{(3!(5-3)!)}

=\frac{5!}{3!*2!}

=10

[RevyBreeze]

3 0
3 years ago
Read 2 more answers
What is the y-intercept of (0,1) and (11,22)?
KATRIN_1 [288]

Answer:

the slope is 21/11 and the y-intercept is (0,1)

5 0
2 years ago
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