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3 years ago

TRUE or FALSE: A markdown is the amount of decrease in a price.

Mathematics

1 answer:

IgorC [24]3 years ago

8 0

Answer:

True

Step-by-step explanation:

A markdown is the "reduction" or decrease in price

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11. y is directly proportional to x*2 and y = a for a

IgorLugansk [536]

The expression for y in terms of "a" when value of x is doubled is $y_1=4a$

Solution:

Given that,

y is directly proportional to $x^2$

Therefore,

$y \propto x^2$

$y = kx^2$

Where "k" is the constant of proportionality

y = a for particular value of x

Therefore,

$a=kx^2$ --------- eqn 1

We have to find when x is doubled

x is doubled means 2x

Let it be $y_1$

Hence we get,

$y_1=k(2x)^2\\\\y_1=k \times 4x^2$ --------- eqn 2

Substitute value of k from eqn 1, we get

$y_1=\frac{a}{x^2} \times 4x^2\\\\y_1=4a$

Thus expression for y in terms of "a" when value of x is doubled is $y_1=4a$

6 0

4 years ago

If Alexander has not sold all of the granola after 3 days, he sells the remaining bags for

marin [14]

Answer:

Cost Price of Each Bag is 2.5

Total Gain is 17.5

Step-by-step explanation:

8 0

3 years ago

33/7,158 A) 7,158/33= or B) 7,158 /33 = _ R _

Julli [10]

Answer:

What? HAHAHAHAHA it's the same. I mean the choices are the same

6 0

3 years ago

Two trains leave the same station at the same time, but are headed in opposite directions. One train travels at 70 mph and the o

uranmaximum [27]

Let

x--------> the time in hours

y-------> the distance in miles

we know that

The speed is equal to

$Speed=\frac{distance}{time}$

in this problem

$Speed=\frac{y}{x}$

$y=(Speed)*x$

Equation First Train

$y1=70x$

Equation Second Train

$y2=80x$

$y1+y2=600\ miles$ ---------> equation $1$

Substitute the values of $y1$ and $y2$ in the equation $1$

$70x+80x=600$

Solve for x

$150x=600$

$x=4\ hours$

therefore

the answer is

$4\ hours$

4 0

3 years ago

Read 2 more answers

Factor. x^2 - 8x +16

galben [10]

This is a perfect square trinomial. All of these special cases take this form which you can identify: a²+2ab+b².

x^2 - 8x +16 equals (x-4)²

answer: (x-4)²

8 0

4 years ago