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andrew11 [14]
3 years ago
13

A bicycle store costs $2800 per month to operate. The store pays an average of $80 per bike. The average selling price of each b

icycle is $160. How many bicycles must the store sell each month to break even?
The store must sell bicycles each month to break even
(Type a whole number.)
Mathematics
1 answer:
murzikaleks [220]3 years ago
4 0

Let x = quantity of bicycles

($160x) - ($80x) = $2800. To solve for x, we have to combine the terms on the left side.

$80x = $2800. Divide each side by $80.

x = 35.

35 bicycles must he sold each month to break even.

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Four congruent isosceles right triangles are cut from the 4 corners of a square with a side of 20 units. The length of one leg o
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Answer:

368 sq. units.

Step-by-step explanation:

We have a square of side lengths 20 units and we cut four congruent isosceles right triangles from the corners of the square.

Now, the four isosceles right triangles have one leg equal to 4 units.  

Therefore, the area of four triangles = 4 \times ( \frac{1}{2} \times 4 \times 4) = 32 sq. units.

Now, we have the area of the given square is (20 × 20) = 400 sq. units.

Therefore, the area of the remaining octagon will be (400 - 32) = 368 sq. units. (Answer)

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Select all the ordered pairs that are in the solution set for the inequality graphed below.
shtirl [24]
Idk I really did not study this since I’m in AP
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The prism below is made of cubes which measure 1/3 of an inch on one side what is the volume
EastWind [94]

Answer:

Volume of rectangular prism = 10/9 inch³

Step-by-step explanation:

Given:

Size of each cube = 1/3 inch

Find:

Volume of rectangular prism

Computation:

Length of rectangular prism = 2 x [1/3]

Length of rectangular prism = 2/3 inch

Width of rectangular prism = 3 x [1/3]

Width of rectangular prism = 3/3

Width of rectangular prism = 1 inch

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7 0
2 years ago
Butyric acid ( c3h7cooh) is a weak acid . what is the ph of a 0.0250 m solution of this acid. ka = 1.5 x 10-5 (2 decimal places)
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The pH of the weak acid is 3.21

Butyric acid is known as a weak acid, we need the concentration of [H+] formula of weak acid which is given by this equation :

[H^{+}]=\sqrt{Ka . Ma}

where [H+] is the concentration of ion H+, Ka is the weak acid ionization constant, and Ma is the acid concentration.

Since we know the concentration of H+, the pH can be calculated by using

pH = -log[H+]

From question above, we know that :

Ma = 0.0250M

Ka = 1.5 x 10¯⁵

By using the equation, we can determine the concentration of [H+]

[H+] = √(Ka . Ma)

[H+] = √(1.5 x 10¯⁵ . 0.0250)

[H+] = 6.12 x 10¯⁴ M

Substituting the value of [H+] to get the pH

pH = -log[H+]

pH = -log(6.12 x 10¯⁴)

pH = 3.21

Hence, the pH of the weak acid c3h7cooh is 3.21

Find more on pH at: brainly.com/question/14466719

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8 0
1 year ago
Anyone help please....
MissTica

mean= 4.1

median= 1,2,3,4,5,6

mode= 6

Step-by-step explanation:

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