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3 years ago

Which equation could have been used to create this function table?

Mathematics

1 answer:

alina1380 [7]3 years ago

5 0

A) y=3x
You can plug in the given values (inputs) of x to see if it creates the number in y (output).
3*1=3
3*2=6
3*3=9
3*4=12
3*5=15
3*6=18

All these values are true, therefore the equation y=3x is the correct answer.

:)

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Forty seven hundredths in standard form

Elden [556K]

Answer is .47

Fourty seven hundredths in standard form is .47,

3 0

3 years ago

How many ways can a person choose 3 desserts from a desserts tray 8 desserts

skelet666 [1.2K]

In combinatorics, this question is a combination question, because combination deals with selection while permutations deal with arrangement.

$nCr = \frac{n!}{(n - r)!r!} \\$

Plugging in our values,

$8C3 = \frac{8!}{(8 - 3)!3!} = \frac{8!}{5!3!} = \frac{8 \times 7 \times 6 \times 5!}{5!3!} = \frac{8 \times 7 \times 6}{3 \times 2} = 56 \\$

That means 3 desserts from a tray of 8 desserts 56 times.

3 0

3 years ago

I don’t know how to do this

DochEvi [55]

Answer:

y = 1/4 (3 s - 8)

Step-by-step explanation:

hopes this helps:)

4 0

3 years ago

If 30% of John's photographs were perfect, but 210 photographs were not perfect, then how many photographs were there in all?

loris [4]

If 30% were perfect, 70% were not perfect. So we know that 70% of the total number of photographs is 210.

p(70/100)=210 multiply both sides by 100

70p=21000 divide both sides by 70

p=300

So there are 300 photographs in all.

8 0

3 years ago

6. A boy pushes his little brother in a box with a force of 500 N for 324 m How much work is this if the force of

olganol [36]

Answer:

(a) 129600 J

(b) 81000 J

Step-by-step explanation:

The work done is given by the product of force and the displacement in the direction of force.

Force, F = 500 N

distance, d = 324 m

(a) friction force, f = 100 N

The work done is

W = (F - f) x d

W = (500 - 100) x 324

W = 129600 J

(b) Friction, f = 250 N

The work done is

W = (F - f) d

W = (500 - 250) x 324

W = 81000 J

7 0

3 years ago