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VashaNatasha [74]
3 years ago
5

MLMKL=(8x-20) M2jKl= (10x-11) MJ KM=43°

Mathematics
1 answer:
katrin [286]3 years ago
8 0
First one I think I really don’t know
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Please show work 3d – 4 + d = 8d – (-12)
balandron [24]

Answer:

d = -4

Step-by-step explanation:

3d – 4 + d = 8d – (-12)

3d - 4 + d = 8d + 12

4d - 4 = 8d + 12

(4d - 4d) - 4 = (8d - 4d) + 12

-4 = 4d + 12

-4 - 12 = 4d (+ 12 - 12)

-16 = 4d

-16/4 = 4d/4

d = -4

4 0
2 years ago
Read 2 more answers
!!!!!!!!!!!!~~math is hard i could use some help i also raised the points and will mark brainliest uwu ~~!!!!!!!!!!!!!!
elena-s [515]

I think (jk) (x) means j times k

(jk) (x) = -7x(9 - 2x) //Using Distributive Property.

(jk) (x) = -63x + 14x^2 = 14x^2 - 63

//Hope it helps.

7 0
3 years ago
The amount of bacteria in a petri dish increases at a rate proportional to the amount present. At time t=0, the amount of bacter
Lilit [14]

Answer:

Step-by-step explanation:

Formula to be used is N=N0e^(kt)

N0 - amount of bacteria at time 0, which is 10g

t=2, 30g

30 = 10*e^(k*2)

3 = e^(2k)

2k = ln3

k = 0.5ln3

At t=6:

N = 10*e^(0.5ln3*6)

N = 10e^(3ln3)

N = 10e^ln27

N = 10*27 =270

So the amount of bacteria at t=6 is 270

6 0
3 years ago
Solve asdp'l;s r0985yuiyd u9e6n98og r7 t8er 9o r5top 9 trr uir
vova2212 [387]

Answer:

the answer is 40√3feet per second

Step-by-step explanation:

v=√16.√300

v= 4. 10√3

NB:10√3=√100 .√3=√100.3= √300

Hence v =40√3ft per second

3 0
2 years ago
I need help with this
Alex787 [66]
The area of a triangle is 1/2(base)(height) and since this is a right triangle the two legs can be base and height. So the area is 1/2(2x-4)^2 which becomes 1/2(4x^2-16x+16) which is simplified to 2x^2-8x+8. B is the correct answer.
3 0
3 years ago
Read 2 more answers
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