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Ivenika [448]
3 years ago
7

Two quantities, x and y, are directly proportional. If x is tripled, what happens to y? It is multiplied by 13. It is tripled. I

t is multiplied by 9. It depends on the starting value of x.
Mathematics
2 answers:
prisoha [69]3 years ago
7 0
Answer: It is tripled.

Since x and y are proportional, whatever happens to x must happen to y in order for the two values to stay proportional.
viktelen [127]3 years ago
3 0

Answer:

Option B.

Step-by-step explanation:

It is given that two quantities, x and y, are directly proportional. It means

y\propto x

y=kx

where, k is constant of proportionality.

We need to find the effect on y if x is tripled.

Let x_1=3x, then

y_1=k(3x)

y_1=3(kx)

y_1=3y

It means y is also tripled.

Therefore, the correct option is B.

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nataly862011 [7]

Answer:

For this case we have the following variable:

x: the number of cookies Cameron made.

Therefore, the number of cookies Deyonne makes is:

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Then, the total sales revenue is:

P = 0.5 * (x + (x + 0.25x))P=0.5∗(x+(x+0.25x))

Rewriting we have: P = 0.5 * (2.25x)P=0.5∗(2.25x)

P = 0.5 * (2.25x)P=0.5∗(2.25x)

P = 1.125xP=1.125x

6 0
3 years ago
What is the probability of rolling a fair die and not getting an outcome less than 4​
juin [17]

Answer:2/6 or 1/3

Step-by-step explanation:

7 0
4 years ago
X=4y+7 2x-6y=12 System of equations using substitution
Sonja [21]

Answer:

x=3, y=-1

Step-by-step explanation:

We are already given an equation solved for x, making substitution much easier. We know x=4y+7, meaning we can put 4y+7 whenever we see x in the second equation

2x-6y=12

We substitute 4y+7 in place of x

2(4y+7)-6y=12

Now we only have one variable to work on, distribute the 2

8y+14-6y=12

Combine similar terms, 8y-6y=2y

2y+14=12

Subtract 14 from both sides

2y=-2

y=-1

Now we plug in -1 for y in the first equation to find x

x=4(-1)+7

x=-4+7

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7 0
3 years ago
A farmer had 4,999 chickens.Each chicken laid one egg.Later in the day he recieved 664 more chickens. They each laid an egg too
hammer [34]

Answer:

4'999 + 664 = 5663

Step-by-step explanation:

all chickens laid one egg so that is 4'999 then the next day 664 of them laid one egg that is how I know what it is.

your  welcome for the help.

5 0
3 years ago
Hi guys best answer gets a brainlist !!!!!!! <br> please view image below
saw5 [17]

Answer:

C

Step-by-step explanation:

since the linear function intersects the x-axis at -1, the coordinate for the x-intercept is (-1,0). Since the line also intersects the y-axis at 3, the pint of intersection is (0,3)

Hope I helped UwU

3 0
3 years ago
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