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3 years ago

H(a) given in functions

Mathematics

1 answer:

Dmitrij [34]3 years ago

7 0

Step-by-step explanation:

it's like the y in an equation

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For f(x) = 2x+1 and g(x) = 3x-7, find (f-g)(x)

marissa [1.9K]

Answer:

(f - g)(x) = -x + 8

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 2x + 1

g(x) = 3x - 7

(f - g)(x) = f(x) - g(x)

<u>Step 2: Simplify</u>

Set up: (f - g)(x) = (2x + 1) - (3x - 7)
Distribute -1: (f - g)(x) = 2x + 1 - 3x + 7
Combine like terms: (f - g)(x) = -x + 8

4 0

3 years ago

Read 2 more answers

A cylinder shaped water tank has a diameter of 8 m and a height of 20 m.

aev [14]

Answer:

602.88 cu ft.

Step-by-step explanation:

V = Bh where B is the area of the base, which is a circle in your problem.

Since the diameter is 8, the radius is 4.

So, B = $\pi r^{2} = 3.14(4^{2} ) = 3.14(16) = 50.24$

V = Bh = 50.24(20) = 1004.8 cu ft = total volume of tank

60% of that volume is .60(1004.8) = 602.88 cu ft.

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3 years ago

If A= and B= , find BA

Arada [10]

Answer:

$\left[\begin{array}{ccc}16&10&39\\-32&-30&-18\\6&6&-19\end{array}\right]$

Step-by-step explanation:

Given that A = $\left[\begin{array}{ccc}-2&-4&2\\5&1&5\\-1&-3&-4\end{array}\right]$ and B = $\left[\begin{array}{ccc}2&3&-5\\5&-4&2\\-1&-1&3\end{array}\right]$ .

Therefore, BA = $\left[\begin{array}{ccc}2&3&-5\\5&-4&2\\-1&-1&3\end{array}\right]$ × $\left[\begin{array}{ccc}-2&-4&2\\5&1&5\\-1&-3&-4\end{array}\right]$ = $\left[\begin{array}{ccc}16&10&39\\-32&-30&-18\\6&6&-19\end{array}\right]$ (Answer)

For, the 1st row-1st column element is obtained by multiplying the 1st row of B matrix and 1st column of A matrix.

Similarly, the 1st row-2nd column element is obtained by multiplying the 1st row of B matrix and 2nd column of A matrix.

And so on. (Answer)

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3 years ago

I need help with all these asap!!

Effectus [21]

Answer:

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Step-by-step explanation:

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8 0

2 years ago

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Mr. Coker drove 42 miles in 50 minutes. At this rate, how many miles did he drive in 5 minutes?

Artyom0805 [142]

The correct awnser should be 8.4.

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3 years ago