What is the y-intercept of the graph of y = 3x^2 – 6x – 8? –8 –6 1 3

1 answer:

4 0

y-intercept: set x=0 

y = 3(0)^2 - 6(0) - 8 

y = -8 

x-intercept: set y=0 

0 = 3x^2 - 6x - 8

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While preparing for a morning conference, principal Corsetti is laying out 8 dozen bagels on square plates. Each plate can hold

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Answer:

Step-by-step explanation:

We have 8 dozen bagels, or 8*12=96 bagels. Each plate can hold 14 bagels, so we have enough bagels to fill 96/14=about 6.86 plates. However, we cannot have a fraction of a plate, so we round up to have a total of seven plates. To fill all seven plates fully, 7*14=98 bagels would be needed, which is two more than we have.

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Answer: Bea's uncle is 25 years old.

Step-by-step explanation:

Given the equation $3x- 15= 60$ , we can say that the variable "x" represents the age of Bea's uncle. Then to find his age, we need to solve for "x":

We must add 15 to both sides of the equation:

$3x- 15+(15)= 60+(15)\\3x=75$

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Therefore, we can conclude that Bea's uncle is 25 years old.

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3 years ago

Solve for x. Help me out because I haven’t been paying attention all year

svet-max [94.6K]

Answer:

x = 18

Step-by-step explanation:

(whole secant) x (external part) = (whole secant) x (external part)

(6+x)6 = (8+10)* 8

6*(6+x) = 8(18)

Divide each side by 6

6+x = 8(18)/6

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Subtract 6 from each side

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Connecting the endpoints of the chords with the center, we have several right triangles. However, we do not know whether the two chords are on the same side or different sides of the center of the circle.

By the Pythagorean Theorem on Δ OBB₁,

we get $x^2 + 7^2 = r^2$

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