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ruslelena [56]
3 years ago
15

Identify the factors of 9x2 + 30x + 25.

Mathematics
2 answers:
gayaneshka [121]3 years ago
7 0

Answer:

The answer is )B

Step-by-step explanation:

IM FROM FLVS

svlad2 [7]3 years ago
3 0
Selection B is appropriate.

_____
The signs of the coefficients tell you the binomial factors must have both signs positive (selections B and C only). Selection B produces an x-term that is 15x+15x=30x (as we want); selection C produces an x-term that is 45x+5x=50x (not what we want).
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A=1/2 (a+b)h work out A if a=2 b=7 h=3
BartSMP [9]

Step-by-step explanation:

A =1/2(a+b)h

  • 1/2(2+7)3
  • 1/2×27
  • 13.5

hope it helps.

6 0
2 years ago
Write a quadratic function f(x) for the area of a rectangle length x+5 width 3x-7
Semmy [17]
The area of a rectangle is the product of its length and width.
l=x+5 \\
w=3x-7 \\ \\
A=lw=(x+5)(3x-7)=3x^2-7x+15x-35=3x^2+8x-35 \\ \\
\boxed{f(x)=3x^2+8x-35}
7 0
3 years ago
What is the answer of X2/3??
Yuri [45]
1/3x^2

hope this helps
7 0
3 years ago
To find solutions of equations should we look for x-intercepts or y-intercepts in a graph
Vladimir [108]
No one is going to be a great way to start a
3 0
2 years ago
Read 2 more answers
The growth of a sample of bacteria can be modeled by the function bt=1001.06t where b is the number of bacteria and t is time in
alukav5142 [94]

Given:

The growth of a sample of bacteria can be modeled by the function

b(t)=1001.06t

where, b is the number of bacteria and t is time in hours.

To find:

The number of total bacteria after 3 hours.

Solution:

We have,

b(t)=1001.06t

where, b is the number of bacteria and t is time in hours.

Substituting t=3, we get the number of total bacteria after 3 hours.

b(3)=1001.06(3)

b(3)=3003.18

Number of bacteria cannot be decimal value. So, approximate the value to the nearest whole number.

b(3)\approx 3003

Therefore, the number of total bacteria after 3 hours is about 3003.

7 0
3 years ago
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