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xenn [34]
3 years ago
13

If the value of y varies directly with the value of x. If the value of y is 20 when x is 1/2, what is the value of y when did 4

1/2?
Mathematics
2 answers:
inysia [295]3 years ago
6 0
If i understand the question correctly then the answer you are looking for is 9
guapka [62]3 years ago
4 0

Answer:

What is the value of y when the value of x is 1?

Step-by-step explanation:

60!

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8.EE.5
olga2289 [7]

Answer:

1.) slope=2

2.) slope=-3

3.) slope=\frac{1}{4}

4.) slope=-\frac{4}{5}

Step-by-step explanation:

The unit rate is also known as slope. Slope is the change in the y values over the change in the x values:

(x_{1},y_{1})\\\\(x_{2},y_{2})\\\\\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=slope

However, with certain graphs, the slope can be found in a simpler manner.

  • You start at one point and move across the y-axis, then move along the x-axis until you reach another point on the same line.
  • Make sure you move on the y-axis first, then the x-axis. Record the slope as spaces moved in each \frac{y}{x}
  • When you move up, the number will be positive (\frac{+y}{x}). If you move down, the number will be negative (\frac{-y}{x}).
  • If you move to the right, the number will be positive (\frac{y}{+x}). If you move to the left, the number will be negative (\frac{y}{-x}).
8 0
3 years ago
What is f(x)•g(x)?<br> f(x) = 2–2x+1<br> g(x) = 2x+1
Arada [10]

Answer:

fx

Step-by-step explanation:

just did it

5 0
3 years ago
Lee and Lyn both invested their birthday money. Lee put his money in a savings account that earned 8% simple interest annually.
tatyana61 [14]
Lyn made a better investment.

Her money will grow quicker than Lee because the money grows by 8% annually, and then the next year 8% off of the new balance.

Lee's money will only grow by 8% from the original price.
3 0
3 years ago
Hmmmmmmmmmmmmmmmmmmmmmmmm??? ​
katovenus [111]
Hmmmmmmmmmmmmmmmmmm?
7 0
2 years ago
Ruby uses 3/8 of a cup of blueberries for her smoothie. If she has 4
Artyom0805 [142]

Answer:

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Step-by-step explanation:

because each 3/8th yields 2 smoothies and the leftovers from each cup made 2 more.

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