3 years ago

DJ by 14 photos for 0.756 how much change will he receive if you pay for $15

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

3 0

The amount of change he’ll receive is $4.416

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PLEASE ANSWERRR!!!!!

lawyer [7]

Answer:

I don't know how to do this. I'm so sorry that I couldn't help!!

Step-by-step explanation:

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3 years ago

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Find the slope of the line that contains the points: (-4,3) and (4,9)

Stolb23 [73]

I believe the slope is 3/4

9-3 = 6
4 - (-4) = 8

Simplify to get 3/4

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3 years ago

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The hypotenuese of an isosceles right triangle is 13 inches. The midpoints of its sides are connected to form an inscribed trian

Georgia [21]

Answer:

The Sum of the areas of theses triangles is 169/3.

Step-by-step explanation:

Consider the provided information.

The hypotenuse of an isosceles right triangle is 13 inches.

Therefore,

$x^2+x^2=169\\2x^2=169\\x=\frac{13}{\sqrt{2} }$

Then the area of isosceles right triangle will be: $A=\frac{1}{2} x^2$

Therefore the area is: $A=\frac{169}{4}$

It is given that sum of the area of these triangles if this process is continued infinitely.

We can find the sum of the area using infinite geometric series formula.

$S=\frac{a}{1-r}$

Substitute $a=\frac{169}{4} \ and\ r=\frac{1}{4}$ in above formula.

$S=\frac{\frac{169}{4}}{1-\frac{1}{4}}$

$S=\frac{\frac{169}{4}}{\frac{3}{4}}$

$S=\frac{169}{3}$

Hence, the Sum of the areas of theses triangles is 169/3.

7 0

3 years ago

Simplify 1/9^-3? A. 1/-27 B. 9^3 = 729 C.1/-729 D. 9^-3 = -27

Natali [406]

Exponent rule : a^-b = 1 / (a^b)

1/9 ^-3 =
1 / (1/9^3) =
1 / (1^3) /(9^3) =
1 / (1/729) =
1 * 729/1 =
729

ur answer is B

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3 years ago

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Cindy is twice as old as Peter. In 6 years, their ages will total 60. How old is Cindy now?

ehidna [41]

Answer:

cindny=32

peter=16

Step-by-step explanation: i think hope it helps

cindny=32

peter=16

7 0

2 years ago