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Fittoniya [83]
3 years ago
6

Solve for x

Mathematics
1 answer:
Ivan3 years ago
5 0

9514 1404 393

Answer:

  x = 4

Step-by-step explanation:

The measures of all angles in this geometry are 90 degrees.

  21x +6 = 90

  21x = 84 . . . . . subtract 6

  x = 4 . . . . . . . divide by 21

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Find the measure of the missing angle.
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What is the range of the relation below?<br> {(-4,1), (-2,0), (8, -1)}
anyanavicka [17]

Answer:

Range: {-1, 0, 1}

General Formulas and Concepts:

<u>Math</u>

  • Number Line

<u>Algebra I</u>

  • Range is the set of y-values that are outputted by function f(x)
  • {Set Builder Notation}

Step-by-step explanation:

<u>Step 1: Define</u>

[Relation] {(-4, 1), (-2, 0), (8, -1)}

<u>Step 2: Identify</u>

According to the relation, our y-values are 1, 0, and -1. These values would encompass our range.

5 0
3 years ago
Which table shows y as DIRECTLY PROPORTIONAL to x
Furkat [3]

Answer:

Table B

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

<em>Verify table B</em>

For x=1, y=1/2 -----> k=y/x=(1/2)/1=1/2

For x=2, y=1 -----> k=y/x=1/2

For x=3, y=3/2 -----> k=y/x=(3/2)/3=1/2

For x=4, y=2 -----> k=y/x=2/4=1/2

The values of k are the same

therefore

The table B shows y as DIRECTLY PROPORTIONAL to x

<em>Verify table D</em>

For x=1, y=3 -----> k=y/x=3/1=3

For x=2, y=5 -----> k=y/x=5/2=2.5

For x=3, y=7 -----> k=y/x=7/3

For x=4, y=9 -----> k=y/x=9/4

the values of k are different

therefore

The table D not shows y as DIRECTLY PROPORTIONAL to x

5 0
3 years ago
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