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3 years ago

Can you help me with this. Is this a function, why or why not?

Mathematics

1 answer:

stellarik [79]3 years ago

3 0

Yes it is a function

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PLEASE HELP

shusha [124]

15 meals x $0.80 = $12.
$18 - $12 = $6.

If one movie ticket is $3 then she must have purchased 2 with $6.

Part A - 15x0.8=18-x=x

Part B-
15 x 0.8 = 12
18- 12=6

Part C- 2

6 0

3 years ago

Read 2 more answers

At a competition with 8 runners, 2 medals are awarded for first and second

Dafna1 [17]

Answer: Option 'A' is correct.

Step-by-step explanation :

Since we have given that

Number of medals = 2

Number of runners = 8

We need to find the number of ways to award the medals.

We would use "fundamental theorem of counting" to find the number of ways.

So, number of ways is given by

8 × 7 = 56

Hence, option 'A' is correct.

4 0

3 years ago

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Pleaseee helpppp:)))

matrenka [14]

Answer:

<h2>Option B:</h2><h3>112 families </h3>

Step-by-step explanation:

Given,

No. of families = 75

Out of 75 no. of families had cars = 42

Out of 1, no. of families can have cars

$= \frac{42}{75}$

Therefore, 

Out of 200 families, no. of families had cars

$= 200 \times \frac{42}{75}$

$=200 \times \frac{14}{25}$

= 8 × 14

= 112

Hence, 

option B is correct as 112 families have cars out of 200 families (Ans)

5 0

2 years ago

If f(x) = -3x +4 and g(x) = 2, solve for the value of x for which f(x) = g(x) is true.

grin007 [14]

Step-by-step explanation:

f(x) = g(x)

-3x + 4 = 2

4 - 2 = 3x

2/3 = x

5 0

3 years ago

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Which equation can be used to find the answer?

Wewaii [24]

The answer is A n = 46

8 0

3 years ago