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3 years ago

Consider this system of equations, where function fis quadratic and function g is linear:

Mathematics

1 answer:

borishaifa [10]3 years ago

7 0

You can use this to help you to find the answer

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A model rocket is launched with an initial upward velocity of 138 ft/s. The rocket's height h (in feet) after 1 seconds is given

insens350 [35]

Answer:

t = 8.017 or 0.608 (nearest hundredth)

Step-by-step explanation:

$h = 138t-16t^2$

when h = 78:

$\implies 138t-16t^2=78$

$\implies 16t^2-138t+78=0$

Using quadratic formula:

$t=\dfrac{138 \pm\sqrt{(-138)^2-(4 \cdot 16 \cdot 78)} }{2 \cdot 16}$

$\implies t=\dfrac{138 \pm\sqrt{14052} }{32}$

$\implies t=8.017, t = 0.608$

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2 years ago

Find slope: PLEASE HELP !

mixas84 [53]

Answer:

1/5

Step-by-step explanation:

up 1, right 5

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2 years ago

Read 2 more answers

What are the Factors of 2,3,4,5

Dominik [7]

Answer:for 5

Step-by-step explanation:1,5

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3 years ago

How to solve the equation 8b - 12 = 5b

Virty [35]

Answer:

b = 4

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Equality Properties

Step-by-step explanation:

Step 1: Define equation

8b - 12 = 5b

Step 2: Solve for b

Subtract 5b on both sides: 3b - 12 = 0
Add 12 on both sides: 3b = 12
Divide 3 on both sides: b = 4

Step 3: Check

Plug in b to verify it's a solution.

Substitute: 8(4) - 12 = 5(4)
Multiply: 32 - 12 = 20
Subtract: 20 = 20

And we have our final answer!

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3 years ago

Y=6x-11 -2x-3y= -7 Find what x and y are?

Temka [501]

Are the problems separated?

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3 years ago