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Vanyuwa [196]
3 years ago
5

I dont have anything to ask but here is 50 points

Mathematics
2 answers:
lara31 [8.8K]3 years ago
8 0

Answer:

Thanks! Check out my free question points to if you want some :)

Step-by-step explanation:

vesna_86 [32]3 years ago
4 0

Answer:

thank youuuuuuuuuuuuuuuuuuuuuuuuuuu

Step-by-step explanation:

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8m^3 - 28m^2 + 6m - 21. You solve by factoring by grouping!!! quick please
Leya [2.2K]

Answer:

(2m - 7)(4 {m}^{2}  + 3)

Step-by-step explanation:

8m^3 - 28m^2 + 6m - 21 \\  = 4 {m}^{2} (2 {m}  - 7) + 3(2m - 7) \\  = (2m - 7)(4 {m}^{2}  + 3)

4 0
3 years ago
A line has a slope of 9 and a y-intercept of 2. What is its equation in slope-intercept form?
kakasveta [241]

Answer:

y=9x+2

Step-by-step explanation:

The standard form for a linear equation is y=mx+b. m=9 since it is slope and b=2 which is the y intercept. So the equation would be y=9x+2.

8 0
3 years ago
Help help help math math
Salsk061 [2.6K]

Answer:

V = 4000 ft³

Step-by-step explanation:

if diameter is 20 then radius is half that, or 10

use formula:

V = 4/3(3)(10)³

V = 4(10)³

V = 4(1000)

V = 4000 ft³

7 0
3 years ago
Super hero academy's ratio of boys to girls is 5:3. If 7th grade has 150,
UkoKoshka [18]

Answer:

94  boys and 56 girls.

Step-by-step explanation:

150/8 = 18.75 = x

b=x*5 = 94

g=x*3 = 56

b+g=150

8 0
3 years ago
PLEASE HELP ME ASAP!!!
MatroZZZ [7]

You start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards.

10 cards every week = 10 w

Start with 5 baseball cards = + 5

At Most = ≥

3 0
3 years ago
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