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3 years ago

Plz help quiz is hard

Mathematics

2 answers:

astraxan [27]3 years ago

7 0

125 miles and the price is 75.75

igomit [66]3 years ago

6 0

It will be 125 miles and the price will be $75.75.

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the profit p in dollars from selling x calculators is p=25x-(10x+250) how many calculators are sold when the profit is $425

podryga [215]

425=25x-10x-250
675=15x
x=45
45 calculators were sold.

4 0

3 years ago

Indentify the measure of angle 2. ( write the number only.)

zaharov [31]

Answer:

72°

Step-by-step explanation:

here's your solution

=> we know angle A + angle S = 2

=> angle 2 = 30° + 42°

=> 72°

hope it helps

8 0

3 years ago

At a unit price of $900, the quantity demanded of a certain commodity is 75 pounds. If the unit price increases to $956, the qua

Nady [450]

Answer:

1) The demand equation is $x=-0.25p+300$

2) The price when no consumers willing to buy this commodity is $1200.

3) The quantity of the commodity would consumers take if it was free is 300 pounds.

Step-by-step explanation:

Given : At a unit price of $900, the quantity demanded of a certain commodity is 75 pounds. If the unit price increases to $956, the quantity demanded decreases by 14 pounds.

To find :

1) The demand equation ?

2) At what price are no consumers willing to buy this commodity?

3) According to the above model, how many pounds of this commodity would consumers take if it was free?

Solution :

1) According to question,

p is the unit price and x is the quantity demanded for this commodity in pounds.

Let, $p_1=\$900$ and $x_1=75\text{ pounds}$

and $p_2=\$956$ and $x_2=75-14=61\text{ pounds}$

To find the demand equation we apply two point slope form,

$(x - x_1)=\frac{(x_2-x_1)}{(p_2-p_1)}\times(p-p_1)$

Substitute the values,

$(x - 75)=\frac{61-75}{956-900}\times(p-900)$

$(x - 75)=\frac{-14}{56}\times(p-900)$

$(x - 75)=\frac{-1}{4}\times(p-900)$

$x-75=-\frac{1}{4}p+225$

$x=-\frac{1}{4}p+300$

$x=-0.25p+300$

The demand equation is $x=-0.25p+300$

2) For no consumers,

Substitute x=0 in demand equation,

$0=-0.25p+300$

$0.25p=300$

$p=\frac{300}{0.25}$

$p=1200$

The price when no consumers willing to buy this commodity is $1200.

3) For free,

Substitute p=0 in demand equation,

$x=-0.25(0)+300$

$x=300$

The quantity of the commodity would consumers take if it was free is 300 pounds.

3 0

3 years ago

Challenge in a company, 60% of the workers are men. If 800 people work for the company who aren't men, how many workers are ther

Nina [5.8K]

Answer:

2000 workers

Step-by-step explanation:

60%= x

40% = 800 (the ones that arent men)

(800÷2= 400) which means..

40%÷2=400

20%=400 so

40% + 20% = 60%

800 + 400 = 1200

now that

60%=1200 workers add the 40percent of workers to the 60% of workers which is (40%=800)

=2000 workers in total

8 0

3 years ago

Find the surface area and volume of the cone .

liraira [26]

Answer:

Surface area of a cone = πrs + πr2

Volume of a cone = 1/3πr2h.

The slant of a right circle cone can be figured out using the Pythagorean Theorem if you have the height and the radius.

Answers for volume problems should always be in cubic units.

Step-by-step explanation:

5 0

3 years ago