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Stolb23 [73]
3 years ago
15

Please Help!!!!!!!! It’s an emergency!!! You will be brainiest and get 25 points!!! Both parts

Mathematics
1 answer:
Stella [2.4K]3 years ago
4 0
You are right yeeeeeeeeeeeeeeeeeeeeeeeet
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Find the geometric mean of<br> 2/3 and 216.
krok68 [10]
The geometric mean would be 12
3 0
3 years ago
10. 4xy – 6xy + 5y - 9x
il63 [147K]

Answer:

499

Step-by-step explanation:

3 0
4 years ago
The binomial x-2 is a factor of the polynomial below. f(x)=x3+x2+nx+10 What is the value of n?
Nutka1998 [239]
<h3>Answer: n = -11</h3>

=========================================================

Explanation:

Since x-2 is a factor of f(x), this means f(2) = 0.

More generally, if x-k is a factor of p(x), then p(k) = 0. This is a special case of the remainder theorem.

So if we plugged x = 2 into f(x), we'd get

f(x) = x^3+x^2+nx+10

f(2) = 2^3+2^2+n(2)+10

f(2) = 8+4+2n+10

f(2) = 2n+22

Set this equal to 0 and solve for n

2n+22 = 0

2n = -22

n = -22/2

n = -11 is the answer

Therefore, x-2 is a factor of f(x) = x^3+x^2-11x+10

Plug x = 2 into that updated f(x) function to find....

f(x) = x^3+x^2-11x+10

f(2) = 2^3+2^2-11(2)+10

f(2) = 8+4-22+10

f(2) = 0

Which confirms our answer.

3 0
4 years ago
The larger of two numbers is eight more than three times the smaller number. The sum of the two numbers is fifty-two. Find the t
Dmitry [639]
So... we have two numbers
say "a" and "b"

one is larger than the other, let us say, "b" is larger than "a"
by how much?
well, "<span>eight more than three times"
three times the smaller is 3 * a, or 3a
eight more than that is 3a + 8

so b = 3a+ 8
the sum of both of them is 52
so, we know that

a + b = 52

run a substitution on "b" on the 2nd equation, and solve for "a"
once you find "a", plug it back in the 2nd equation, to get "b"


</span>
7 0
3 years ago
ABCDE and FGHJE are similar pentagons. If the perimeter of FGHJE is 7.3, what is the perimeter of ABCDE?
monitta
Polygons are said to be equal if the ratio of their corresponding sides and corresponding angles are equal. If the lengths are proportional, then it must be that the perimeter as well are proportional. Therefore, the correct answer is the second option. The perimeter of <span>ABCDE 14.6 units.</span>
3 0
3 years ago
Read 2 more answers
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