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Stells [14]
3 years ago
5

College algebra pls help

Mathematics
1 answer:
lana [24]3 years ago
4 0
Plug in 7 for x and 24 for v
You might be interested in
What is the value of -36 - (-40)<br> 0-76<br> 076<br> O 4<br> 0-4
maksim [4K]

Answer:

4

Step-by-step explanation:

→ –36 – ( –40 )

  • Whenever there is sign of subtraction before the brackets, signs of the numbers inside the brackets get changed when we removed the brackets.

  • ( – ) × ( – ) = ( + )

→ –36 + 40

→ 4

\therefore <u>4</u><u> </u><u>is</u><u> </u><u>the</u><u> </u><u>required</u><u> answer</u><u>.</u>

4 0
3 years ago
I haven’t done this since 7th grade sorry I just don’t remember
Softa [21]
Elimination is x=3 since you can cancel our out the 3y just add the 8 and 2 which is 10 and 18 and 12 which is 30, devide and there ya go
5 0
2 years ago
Read 2 more answers
Which set is closed under subtractionWhich answer choice shows that the set of irrational numbers is not closed under addition
vovikov84 [41]

Answer:

(a) Set of rational numbers

(b) \pi + (-\pi) = 0

Step-by-step explanation:

Solving (a): Set that is closed under subtraction

The solution to this is rational numbers.

For a set of number to be closed under subtraction, the following condition must be true

a -b = c

Where

a, b, c are of the same set.

The above is only true for rational numbers.

e.g.

1 - 2 = -1

5 - 5 = 0

\frac{1}{2} - \frac{1}{4} = \frac{1}{2}

4 - 2 = 2

The operations and the result in the above samples are rational numbers.

Solving (b): Choice not close under addition[See attachment for options]

As stated in (a)

For a set of number to be closed under subtraction, the following condition must be true

a -b = c

Where

a, b, c are of the same set.

In the given options (a) to (d), only

\pi + (-\pi) = 0 is not close under addition because:

\pi is irrational while 0 is rational

<em>In other words, they belong to different set</em>

8 0
2 years ago
What is the manipulative inverse of -1/3
Mkey [24]

Answer:

1/3

Step-by-step explanation:

The inverse is the opposite of a number.

6 0
3 years ago
Read 2 more answers
Y’all what’s this I’m so confused help
Snowcat [4.5K]

Answer:

x = 66

Step-by-step explanation:

√(x - 2) + 3 = 11

Subtract 3 from both sides:  √(x - 2) = 8

Square both sides:                   x - 2 = 64

Add 2 to both sides:                      x = 66

8 0
2 years ago
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