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Mariana [72]
4 years ago
9

Yesterday, a local radio station played 85 songs prior to 10 a.m. The station also played 10 songs per hour for the remainder of

the day.
If a person listened to the radio station yesterday afternoon for x hours, which of the following equations can be used to find the number of songs the person listened to?

A. y = 10x

B. y = 10x + 85

C. y = x + 10

D. y = 85x + 10
Mathematics
1 answer:
Sidana [21]4 years ago
8 0
Hey there!


B. y =10x + 85


Hope this helps!
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Answer:

Mathematical is a term which means "Relating to mathematics."

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3 years ago
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Need help with this maybe question
Aleonysh [2.5K]

Answer:

the vertex is:

(2, -1)

Step-by-step explanation:

First solve the equation for the variable y

x^2-16y-4x-12=0

Add 16y on both sides of the equation

16y=x^2-16y+16y-4x-12

16y=x^2-4x-12

Notice that now the equation has the general form of a parabola

ax^2 +bx +c

In this case

a=1\\b=-4\\c=-12

Add (\frac{b}{2}) ^ 2 and subtract (\frac{b}{2}) ^ 2 on the right side of the equation

(\frac{b}{2}) ^ 2=(\frac{-4}{2}) ^ 2

(\frac{b}{2}) ^ 2=(-2) ^ 2

(\frac{b}{2}) ^ 2=4

16y=(x^2-4x+4)-4-12

Factor the expression that is inside the parentheses

16y=(x-2)^2-16

Divide both sides of the equality between 16

\frac{16}{16}y=\frac{1}{16}(x-2)^2-\frac{16}{16}

y=\frac{1}{16}(x-2)^2-1

For an equation of the form

y=a(x-h)^2 +k

the vertex is: (h, k)

In this case

h=2\\k =-1

the vertex is:

(2, -1)

6 0
3 years ago
Im failing math rn and really need help so pls help. Find the value of xin the triangle shown below.
slega [8]

Answer:

x = 10

Step-by-step explanation:

Pythagorean Theorem = a² + b² = c²

6² + 8² = c²

36 + 64 = c²

100 = c²

c = 10

If my answer is incorrect, pls correct me!

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6 0
3 years ago
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gtnhenbr [62]

Answer:Angle Bisector Theorem. ... Now picture one of the triangle's angles being split into two equal smaller triangles. That line that was used to cut the angle in half is called the angle bisector. When you do this to a triangle, it actually divides the triangle's sides in a unique way.

Step-by-step explanation:

6 0
3 years ago
find the sum of three consecutive odd integers if the sum of the first two integers is equal to twenty-four less than four times
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Let the three integers be x - 2, x and x + 2, then
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4 0
4 years ago
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