2 years ago

PLEASE HELP with math. 15 POINTS!! i need to write a justification for these 4.

1 answer:

8 0

Answer:

Step-by-step explanation:

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Brut [27]

Answer:

Step-by-step explanation:

200% of x = 105% of 90

(200/100) * x = (105/100) * 90

2 * x = 1.05 * 90

$x = \frac{1.05*90}{2}\\\\x=1.05*45\\\\$

x = 47.25

3 0

3 years ago

Alecsey [184]

Answer:

Step-by-step explanation:

Because x represents the number of minutes so you multiply that by 2 then add 4 to get the total

5 0

3 years ago

vazorg [7]

3X+28=200
X represents the amount of money each friend gets

5 0

2 years ago

Likurg_2 [28]

F(-9)
f(x)=-5x-2
=-5(-9)-2
=45(-2)
=90
g(-2)
g(x)=3xsquared-21x
=3(-2squared)-21(-2)
=3(4)+42
=12+42
=54

8 0

2 years ago

Leto [7]

Answer:

False.

Step-by-step explanation:

If we substitute a for 6, the inequality would become 6 > 6. That is not true because 6 cannot be greater than itself.

3 0

2 years ago