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bogdanovich [222]
3 years ago
13

For a direct variation the constant of variation and the slope will always be

Mathematics
2 answers:
vovangra [49]3 years ago
5 0

Answer:

Constant: 0

Slope: k (constant of proportionality)

Step-by-step explanation:

y = kx is the general form of a direct variation between x and y

Anastasy [175]3 years ago
3 0

Step-by-step explanation:

constant variation is direct and the slope is constant

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Which action is not a step in using paper folding to find the midpoint of a line
dedylja [7]

Answer:

A. Draw a line from the segment to any point on the fold line.

Step-by-step explanation:

When using the paper folding method to find the midpoint of a line segment we take the following steps:

  1. Draw a line segment on the tracing paper
  2. Fold the tracing paper so that the endpoints lie on top of each other
  3. Mark the intersection of the fold and the segment with a point

These steps include statements B, C, and D. Drawing a line from the segment to any point on the fold line, which is statement A,  is not included in these steps because it is not needed.

Thus, choice A is not a step in using paper folding to find the midpoint of a line segment.

5 0
4 years ago
A 20% apple juice drink is mixed with a 100% apple juice drink. The function f(x)=(2)(1.0)+x(0.2)2+x models the concentration of
luda_lava [24]

Answer:

17.5

Step-by-step explanation:

Given that:

20% apple juice drink is mixed with a 100% apple juice drink.

f(x)=\dfrac{(2)(0.1)+x(0.2)}{2+x}

represents the concentration of apple juice in the drink when x gallons of 20% drink are added to 2 gallons of pure juice.

Also, given that 6 gallons of 20% drink are added to the 2 gallons of pure juice.

To find:

The concentration of apple juice in the drink = ?

Solution:

Given the function:

f(x)=\dfrac{(2)(0.1)+x(0.2)}{2+x}

and

x=6\ gallons

f(x)=\dfrac{(2)(0.1)+6(0.2)}{2+6}\\\Rightarrow f(x)=\dfrac{0.2+1.2}{8}\\\Rightarrow f(x)=\dfrac{1.4}{8}\\\Rightarrow f(x)=\bold{0.175}

In percentage, the concentration 17.5.

7 0
3 years ago
Brittany has 50 beads. 70% of the beads are gold. How many beads does Brittany have?
Ket [755]

Answer: 35 gold beads and 15 non-gold beads

Step-by-step explanation:

70% of 50

.70×50 = 35

50 - 35 = 15

6 0
4 years ago
After flying kites, mariana and reena go with their friends to the local ice cream shop. ice cream sundaes cost 2$ and banana sp
Alina [70]
I believe it is $40 in all.
8 0
3 years ago
2x+y= 5 solve by elimination of addition<br> 3x-y= 5
lys-0071 [83]

Answer:

1; y=3 2; y=3

Step-by-step explanation:

because you have to mines both of the x ones making the 5s 3 leaving y left

4 0
3 years ago
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