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goldfiish [28.3K]
3 years ago
8

X+12x-13 = 0 and azo, whatis the value x+lo?​

Mathematics
1 answer:
Andru [333]3 years ago
5 0
Wat this doesn’t make sense
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Factor 4x 2 + 12x + 5 . (2x + 5)(2x + 1)
Juliette [100K]
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
8 0
3 years ago
Math Help Please?
hjlf
The median is 3 that's all I know
5 0
3 years ago
Read 2 more answers
What is 56,276 rounded to the nearest 10t
weeeeeb [17]
<h2>im pretty sure it is... 56,280?</h2>
3 0
3 years ago
The intensity of light bulb measured in watts per square meter (w/m^2), varies inversely as the square of the distance d from th
krek1111 [17]

Answer:

I(7)   =  22.96 W/m²

Step-by-step explanation:

Let intensity of light, be  I(d)   where d is distance. There must be a proportionality factor K such as

I(d)  = K /d²

Now for d = 5 m    I(d)  =  K* 1/d²

then  45 * 25 = K

K =  1125

To find the intensity when the distance from the light bulb is 7 m away

I(7)   =  K / 49

I(7)   =  1125/49   W/m²

I(7)   =  22.96 W/m²

6 0
3 years ago
A
Gre4nikov [31]

Answer:

3,25-2,5=0,75 it is equal to 3/4 so D

7 0
2 years ago
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