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3 years ago

What is the relationship among direct variation,lines,rates of change, and slope?

1 answer:

5 0

A direct variation is a proportional equation. Such as:

For every 3 cookies, linda gets 1 glass of milk. The equation for this is y=3x where y is the glasses and x is the cookies. this is a direct variation. It also has a linear line. Linear means straight. Rate of change and slope are the exact same thing. They are the value of 'm' in y=mx+b

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200 people were asked to name their favourite sport.

grin007 [14]

Answer:

5% but not sure

Step-by-step explanation:

80+5+10

4 0

3 years ago

Jenny has nine marbles, but her best friend Susie gives her ten more! However, the neighborhood bully, Danny, steals four marble

Dimas [21]

Answer:

Jenny has 50 marbles

Step-by-step explanation:

I find it easiest to right down the numbers as I read the question,

(9+10-4) x3 +7-2

8 0

4 years ago

7 times the number of cookies in the jar plus 5 more from the tray is 54. How many cookies are in the jar?

Digiron [165]

Answer:

The number of cookies in the jar is 7.

If we include the 5 cookies from the tray in the jar the total number of cookies would be 5 + 7 = 12

Step-by-step explanation:

<em>Consider the number of cookies in the jar as 'x'. Hence the equation formed would be:-</em>

7(x) + 5 = 54

7x + 5 = 54

7x = 54 - 5

7x = 49

x = $\frac{49}{7}$

x = 7

The number of cookies in the jar is 7.

If we include the 5 cookies from the tray in the jar the total number of cookies would be 5 + 7 = 12

<em>Hope this helps.</em>

8 0

3 years ago

Dont know the answer pls help :(

Luba_88 [7]

Answer:

x=3

Step-by-step explanation:

7x-3=18

7x=18+3

7x=21

x=3

4 0

3 years ago

Please help me 4 2/5 x 3 2/5

icang [17]

Answer: exact form :

374/25

decimal form:

14.96

mixed numbers form:

14/24//25

Step-by-step explanation:

3 0

3 years ago