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Dennis_Churaev [7]
3 years ago
9

Pls answer 9-12 will give brainliest

Mathematics
1 answer:
Elanso [62]3 years ago
6 0
9. $112.50 / 9 lawns = $12.50 per lawn
10. $122.50 / 7 lawns = $17.50 per lawn
11. $112.50 / 7.5 hours = $15.00 per hour
$122.50 / 5 hours = $24.50 per hour
Alastair earns more per hour
12. Taryn: 49 more hours ($735 / $15.00)
Alastaie: 30 more hours ($735 / $24.50)
You found how much money they charge per hour in 11 so use that to find how many hours it takes to earn $735.
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Write a third degree polynomial function that has real zeros -1, -2 and 4
ra1l [238]

Answer:

f(x) = x^{3}  - x^{2}  -  10x  -8

Step-by-step explanation:

All you have to do is multiply (x + 1)(x + 2)(x - 4)

You should get x^{3}  - x^{2}  -  10x  -8

So,  f(x) = x^{3}  - x^{2}  -  10x  -8

8 0
3 years ago
HELPPPP PLZZZZ!!!!!!!!!!
hram777 [196]

Answer:

i can help just not with this

Step-by-step explanation:

did i help :D

6 0
3 years ago
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What are the rate of change and the initial value of the function represented by the graph?
Norma-Jean [14]

Answer:D

Step-by-step explanation:

7 0
2 years ago
.21 of what number is 7.98
AlladinOne [14]
.21 as a percentage is 21%
You can divide 7.98 by 21 then multiply by 100 which gives you an answer of 38.

Hope this helps :)
8 0
3 years ago
Is -5/6 Real, Rational, Irrational, Integer, Whole, or real number?
kati45 [8]

Answer:

Rational

Step-by-step explanation:

Rational number consists of

  • Whole Numbers
  • Natural Numbers
  • Integers
  • Negative Numbers
  • Fractions
  • Decimals

-5/6 is a Fraction and we can also simply it to a Decimal.

Hope this helps ;) ❤❤❤

5 0
3 years ago
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