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cluponka [151]
3 years ago
15

Haley substituted the values of a, b, and c into the quadratic formula below.

Mathematics
2 answers:
Marysya12 [62]3 years ago
7 0
The quadratic formula is x equals negative b plus or minus the square root of b squared minus four times a times c, all over 2a. 
Looking at the equation, we can find the values for a, b, and c
a=7
b= -10
c= -2

So then putting that back into standard form, which is ax^2+bx+c, we know Haley's function in standard form is 7x^2-10x-2
trapecia [35]3 years ago
3 0

Answer:

a=7

b= -10

c= -2

Step-by-step explanation:

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3 years ago
A baseball is thrown vertically upward at a rate of 65 feet per second from an initial height of 4 feet. Use the projectile form
Lapatulllka [165]

Answer:

At time t = 2.03 s height of ball = 93 feet

Step-by-step explanation:

We have h(t) =  − 16 t² + v₀ t + h₀

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Initial speed, v₀ = 65 ft/s

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Substituting

             h(t) =  − 16 t² + 65 t + 4

Now we need to find time when h(t) = 93 ft

               93 =  − 16 t² + 65 t + 4

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                 t = 2.03 s  or  t = 2.03 s

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4 0
3 years ago
Two angle measures of a triangle are 62° and 28°. What is the measure of the third angle?
Temka [501]
This would be 180-62-28=90
So 90 degrees
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Read 2 more answers
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