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Scorpion4ik [409]
3 years ago
14

If 3X + 2 equals 11, could X equal 5

Mathematics
2 answers:
netineya [11]3 years ago
8 0

Hey there!

We need to find the one value of x that, when plugged in, will equal 11.

You have asked if x can equal 5. Let's plug it in and see if it works.

3(5)+2=11

15+2=11

17=11

You can see that this statement is false. So, what can we do to find the right answer.

We need to isolate x so we can see what it equals. To do this, we will use inverse operations.

3x+2-2=11-2

3x=9

3x/3=9/3

x=3

If we plug in 3, you will see that it does equal 11, making the equation true.

I hope this helps!

Norma-Jean [14]3 years ago
4 0

Answer:

No because 3(5) +2= 17

3*5=15

15+2= 17

Step-by-step explanation:

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Does 1+1=fish??????????
Ahat [919]
No 1+1 does not equal fish.....I thought so too until I looked it up
5 0
3 years ago
The graph shows the system y=2x+1 y=2x^2+1 Which ordered pairs are solutions of the system?
zhenek [66]
Hey!


To solve this problem, we would really have to graph both equations.

<em>OPEN THE FIRST IMAGE</em>

The first image I provided was the image of this equation graphed: <span>y=2x+1

<em>OPEN THE SECOND IMAGE</em>

The second image I provided was the image of this equation graphed: </span><span>y=2x^2+1


<em>PLEASE DO NOT LOOK AT THE THIRD IMAGE YET!</em>


The first image has two points. One at ( -0.5, 0 ) and the other at ( 0, 1 ).

The second image has only one point, which is at ( 0, 1 ).

<em>OPEN THE THIRD IMAGE</em>

Now, when both are combined we see that they intersect at two points, which are ( 0, 1 ) and ( 1, 3 ).

So, our answer is...

<em>The ordered pairs that are the solution to the system are</em>  </span><span>( 0,1 ) and ( 1,3 ).

Hope this helped!


- Lindsey Frazier ♥</span>

3 0
3 years ago
2(x + 2) = 3x = 2(x + 1) + 1
Karo-lina-s [1.5K]
2 it’s two says the calculator
7 0
3 years ago
Read 2 more answers
A circle with radius 3 has a sector with a central angle of 60.<br> What is the area of the sector?
CaHeK987 [17]

Answer:

Sector area = (central angle / 360) * PI * radius^2

Sector area = (1/6) * PI * 3^2

Sector area = 9/6 * PI

Sector area = 4.7123889804

Step-by-step explanation:

6 0
3 years ago
In 5 years' time, Kate's father will be 3 times as old as Kate. Four years ago, her father
Brut [27]

Answer: Kate = 40/3  Her father = 50

Step-by-step explanation:

Let Kate's age in the present be K

And Kate's father's age in the present be F

3(K+5) = F+5

6(K-6) = F-6

Rearrange the first equation to get

3K+15 = F+5

3K+10 = F

Substitute that into the second question

6K-36 = 3K+10-6

3K = 40

K = 40/3

So F = 3*40/3+10 = 50

8 0
3 years ago
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