2 years ago

Which of the following statements are true about the function y = 3x?

Mathematics

1 answer:

dolphi86 [110]2 years ago

6 0

Answer:

I believe the answer is The constant of variation is y is 6 when x is 2.

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8×4=(A×7)-(A×3)<br>what is the value of A in the equation shown??

Pani-rosa [81]

Answer:

Step-by-step explanation:

8×4 = (A×7) - (A×3) = A(7-3) = A×4

A = 8

4 0

3 years ago

Charlotte has 85 stickers. Her brother has x times more stickers than her. Write

sergiy2304 [10]

Step-by-step explanation:

Her brother has 85 * x stickers.

8 0

3 years ago

The gcf of two numbers less than or equal to 12 is 2. Their LCM is 20.What are the numbers?

bixtya [17]

We know:

$LCM(a,\ b)=\dfrac{ab}{GCF(a,\ b)}$

We have

$GCF(a,\ b)=2,\ LCM(a,\ b)=20,\ a\leq12,\ b\leq12$

Substitute:

$20=\dfrac{ab}{2}\qquad|\cdot2\\\\ab=40$

$40=1\cdot40=2\cdot20=4\cdot10=5\cdot8$

Only 4 and 10 meet the requirements of the question.

--------------------------------------------------------------------

40 and 1 NOT, because 40 > 12

20 and 2 NOT, because 20 > 12

5 and 8 NOT because GCF(5, 8) = 1

5 0

3 years ago

Amy makes a rectangular poster with an area of 21+28m square inches. The width of the poster is 7 inches as shown in the followi

Lesechka [4]

You could use simple factoring to solve this. You would factor out a 7 and then have

7(3+4m) = A

l x w = A

w= 3 +4m

8 0

3 years ago

The speed limit on a road in Canada is 70 kilometers per hour. What is this speed in miles per hour? Round your answer to the ne

Marina CMI [18]

Answer:

43 miles/hr

Step-by-step explanation:

Use a conversion factor from km to miles while keeping track of your units:

70 km/hr x 0.62 miles/km = 43 miles/hr

4 0

3 years ago