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Andrej [43]
4 years ago
15

Factor 4x 2 + 12x + 5 . (2x + 5)(2x + 1)

Mathematics
1 answer:
Juliette [100K]4 years ago
8 0
Factor
in form
ax²+bx+c form
use the ac method
1. mulitply a and c
2. factor the result such that the 2 factors add to b
3. split b into those 2 factors
4. group the terms
5. undistribute common factors
6. undistribute again





first multiply ac
4 times 5=20
now
what 2 numbers multiply to 20 and add to 12
2 and 10
4x²+2x+10x+5
group
(4x²+2x)+(10x+5)
undistribute
2x(2x+1)+5(2x+1)
undistribute the (2x+1)
(2x+1)(2x+5) is factored form whih you have there, nice
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Helppppp! please show your work!
Shtirlitz [24]

Answer:

90 - 37 will give a solid 53

Step-by-step explanation:

the two sums of A to C to C to B so 22.9(C, B) and 14.1 (A, C)

and know that this angle is 90 degrees, my guess would be to subtract the to given numbers with degrees to earn the sum so 22.9 + 14.1 equals 37

now we add angle degrees and sum and subtract one another,

90 - 37

6 0
3 years ago
There are 50 students in the 5th grade at Clark School. One day, 20% of them were absent. How many fifth graders were in school
natita [175]
Well, 20% is equivalent to (1/5). So, you'd put 50 in the numerator and 5 in the denominator. (50/5) is equal to 10. Then you'd take that value and subtract it from your original value. [ 50 - 10 = 40 ]. 40 Students were at school that day.

5 0
3 years ago
A ramp is being constructed with wood and then filled with concrete. How many cubic get of concrete will be needed to complete t
Molodets [167]

Answer:

The cubic volume of concrete needed to complete the ramp is 360 ft³

Step-by-step explanation:

We note that the ramp shape is that of a right ngled triangular cube with dimensions

Height = 10 ft

Base = 12 ft

Width = 6 ft

The amount of concrete to fill the ramp is approximately the volume of the ramp.

Volume of ramp = volume of triangular prism = 0.5×Base ×Height  × Width

Volume of ramp = 0.5×12×10×6 = 360 ft³.

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8 0
3 years ago
Between what 2 consecutive integers does /35 lie
adell [148]
The correct question is 
<span>Between what two consecutive integers does Square Root Of 35 lie?
</span>
we know that

I <span>need to find two numbers </span>n<span> and </span>m<span> such that
</span>n < (√35)< m --------->  n² < 35 < m²

<span>list the first squares
</span>1²<span>=1</span>;
2²<span>=4</span>;
3²<span>=9</span>;
4²<span>=16</span>;
5²<span>=25</span>;
6²<span>=36</span><span>...

</span>So,
 you can see that <span>n=5</span><span> and </span><span>m=6</span><span> satisfy the request
</span>
the answer is
5 and 6


7 0
4 years ago
Rearrange the equation so a is the independent variable.<br><br> 3a-7= -4b+1<br><br> Please help! :)
Aleksandr-060686 [28]

Answer:

Hiii the answer would be a= -4b+8/3

7 0
3 years ago
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