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3 years ago

What are Domain, Ranges, and Functions?

Mathematics

1 answer:

Murrr4er [49]3 years ago

4 0

Answer:

The domain of a function f(x) is the set of all values for which the function is defined, and the range of the function is the set of all values that f takes. (In grammar school, you probably called the domain the replacement set and the range the solution set.

Step-by-step explanation:

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Write an equation for a line perpendicular to y = -5x – 4 and passing through the point (15,5)

stiv31 [10]

Answer:

y=1/5x+2

Step-by-step explanation:

In perpendicular lines the slopes are negative reciprocals so the slope of other line is 1/5x

And they intersect at (15,5) to find the y intercept(b)

y=1/5x+b

5=(1/5)(15)+b

5=3+b

b=2

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2 years ago

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2 years ago

A triangle PQR is right angled at R, with PQ=80cm and R=60cm. find QR? pythagorus theorem

algol13

Answer:

Solution given:

A triangle PQR is right angled at R, with hypotenuse{h}PQ=80cm

and

base[b]PR=60cm.

perpendicular [P]= QR

by using Pythagoras law

h²=p²+b²

80²=QR²+60²

QR²=80²-60²

QR= $\sqrt{2800}$

QR=20 $\sqrt{7}$ =52.9=53cm

QR=53cm.

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2 years ago

What is -2.4 + 6.7 - 3.2 Answers: -11.3, 1.1, 2.3, 7

Sav [38]

Answer:

<h2>Answer is 1.1. </h2>

Hope this helps you

6 0

2 years ago

Read 2 more answers

Help me out now Please I'm stuck on this

Elena-2011 [213]

5x + 2(x + 1) ≤ 23

Distribute the 2.

5x + 2x + 2 ≤ 23

Combine like terms.

7x + 2 ≤ 23

Subtract 2 from both sides.

7x ≤ 21

Divide both sides by 7

x ≤ 3

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2 years ago

What are Domain, Ranges, and Functions?​

What are Domain, Ranges, and Functions?