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vladimir2022 [97]
3 years ago
15

8 (3f - g) when f = 9 and g = -3​

Mathematics
1 answer:
denpristay [2]3 years ago
6 0

Answer:

168

Step-by-step explanation:

Given Information

f = 9

g = -3

__________________

Substitute 9 and -3 with f and g

= 8 (3*9 - -3)

= 8 (18 - -3)

= 8 x 21

= 168

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The entry ticket to a local football game costs $10 for an adult and $5 for a child. A group of 100 people paid an entry fee of
-Dominant- [34]

Answer: Adults = 58

Children = 42

Step-by-step explanation:

Let adults be denoted as a

Let Children be denoted as c

a + c = 100 ...... i

10a + 5c = 710 ...... ii

Multiply I by 5

Multiply ii by 1

5a + 5c = 500 ...... iii

10a + 5c = 710 ...... iv

Subtract iii from iv

5a = 210

a = 210/5

a = 42

Since a + c = 100

c = 100 - 42 = 58.

Adults = 58

Children = 42

8 0
2 years ago
PLEASE HELP, I DONT UNDERSTAND THIS.....Michael is laying carpet in a perfectly rectangular hall. The area of the hall is 240 sq
Setler79 [48]

Answer:

40 feet

Step-by-step explanation:

We know that the area of a rectangle is represented as lw=a, where l is the length and w is the width.

We already know the width, and we know the area, so we can plug these values into the equation.

l\cdot 6 = 240

Our goal is to now isolate the variable l, and to do this we can divide both sides by 6.

(l\cdot6) \div6 = 240\div6\\\\l = 40

Hope this helped!

8 0
3 years ago
Read 2 more answers
At a DBE lecture of 100 students, there are 29 women and 23 men. Out of these students, 4 are teachers and 24 are either men or
sukhopar [10]

Answer:

100-29=71

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Therefore, 24-4=20

answer =20

Step-by-step explanation:

twenty teachers are the one attending the the lectures

7 0
3 years ago
Factor the expression using the GCF 42-12
Monica [59]
6(7 - 2)
6(5)

Check:
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2*6 = 12
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