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2 years ago

Need help..thanks......

Mathematics

1 answer:

Vinvika [58]2 years ago

7 0

Answer: D) Flat area with a large number of plants

The roots of the plants hold in the soil, which prevents/reduces erosion.

The steeper slope means gravity pulls down the soil material faster, since there is less ground in the way to hold it up, so to speak. So flatter areas are less prone to erosion compared to steeper areas.

So that's why overall, flatter areas with lots of plants would have the least erosion.

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Simplify (3x+3)(x-4)=?

Novosadov [1.4K]

(3x +3) (x - 4)
3x(x - 4) + 3(x - 4)
3x^2 - 12x + 3x - 12
3x^2 - 9x - 12

3 0

3 years ago

Show work only do those 32,34,36,38,40

Free_Kalibri [48]

Answer: see below

Step-by-step explanation:

$32)\quad \dfrac{3}{5}(x-12)>x-24$

3(x - 12) > 5(x - 24)

3x - 36 > 5x - 120

-5x -5x

-2x - 36 > -120

+36 +36

-2x > -84

÷ -2 ↓ ÷ -2

x < 42

Graph: ←------------o

34) 6[5y - (3y - 1)] ≥ 4(3y - 7)

6[5y - 3y + 1] ≥ 4(3y - 7)

6{2y + 1] ≥ 4(3y - 7)

12y + 6 ≥ 12y - 28

-12y -12y

6 ≥ -28

TRUE so the solution is All Real Numbers

Graph: ←-----------------------→

36) BC + AC > AB

4 + 8 - AB > AB

12 - AB > AB

+AB +AB

12 > 2AB

÷2 ÷2

6 > AB

AB < 6

$38)\quad \dfrac{1}{2}(y-16)\geq y+2\quad ;\text{claim}\ y\leq 20$

Check: let y = 16

then $\frac{1}{2}$ (16 - 16) ≥ 16 + 2

0 ≥ 18

FALSE so the claim is wrong

40) question not provided in the image so I cannot give a solution.

7 0

3 years ago

the fun house allows 35 people in at a time but there is cure tally 110 ppl in line how many groups get to go in before every bo

BlackZzzverrR [31]

35×3=105 with 5 left over

So it would be 4 group

3 groups of 35 and 1 group of 5

So it would be 4 groups

Step-by-step explanation:

4 0

2 years ago

Looking at the problem what’s the difference between the two highlighted please I’m Russian and don’t understand English every w

babunello [35]

one is a coefficient ! other is normal number

4 0

3 years ago

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Selena ran 910910 mile over 3 days. If she ran the same distance each day, how far did she run each day?

arsen [322]

303,637 but that seems unreasonable so

3 0

3 years ago

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