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Yuri [45]
3 years ago
14

What represents 2 1/4 on a number line

Mathematics
1 answer:
suter [353]3 years ago
6 0
Point c is the point hope this helps
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How do I simplify this expression
emmainna [20.7K]
7 squared is 7 x 7 so the answer would be 49 I believe
5 0
1 year ago
A, B, C, and D have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. Which sentence about the points is tr
MA_775_DIABLO [31]
Hmm... maybe it's E? I'm not 100% sure.
3 0
3 years ago
Read 2 more answers
10x + 7y=1<br> -5x-7y=24
nikitadnepr [17]
Okay, so since both y values share the same number, let's add both equations so the y values cancel out leaving us to solve for x.

10x+(-5x)=5x

7y+(-7y)=0

1+24=25

Now we have 5x=25

divide both sides by 5 and we have x=5

Now that we know x=5, we can plug it into one of the problems to find y.

Let's do 10(5) +7y=1   

50+7y=1  subtract 5 and we get 7y=-49

divide -7 from both sides and we get y=-7

so there you have it x=5 and y=-7
8 0
3 years ago
Solve the system of equations by elimination. <br><br> 2x + 2y = -2<br><br> 3x - 2y = 12
valkas [14]

Answer:

Step-by-step explanation:

2x + 2y = -2

3x - 2y = 12

5x = 10

x = 2

2(2) + 2y = -2

4 + 2y = -2

2y = -6

y = -3

(2, -3)

5 0
3 years ago
Solve the following equations express your answers as order pair in format a,b 2x+7y=-1 and 4x-3y=-19
Ksivusya [100]

Answer:

(x , y) = ( -4 , 1)

Step-by-step explanation:

2x + 7y = -1 --------eqn 1

4x - 3y = -19 ----------eqn 2

Step 1: let's pick eqn 1, to make y the subject of the formula

2x + 7y = -1

7y = -1 - 2x

Divide both sides by 7, to make y the subject of the formula

7y/7 = (-1 - 2x)/7

y = (-1 - 2x) / 7

Step 2: substitute y into the equation 2

4x - 3y = -19

4x - 3(-1 - 2x)/7 = -19

Open the bracket

-3 * -1 = +3

-3 * -2x = +6x

4x +( 3 + 6x)/7 = -19

LCM = 7

(28x + 3 + 6x)/7 = -19

(34x + 3)/7 = -19

Cross multiply

34x + 3 = 7 * -19

34x + 3 = -133

34x = -133 - 3

34x = -136

Divide both sides by 34,to get the value of x

34x/34 = -136/34

x = -4

Step 3: substitute x = -4 into eqn 1

2x + 7y = -1

2(-4) + 7y = -1

-8 + 7y = -1

7y = -1 + 8

7y = 7

Divide both sides by 7, to the value of y

7y/7 = 7/7

y = 1

(x , y) = ( -4 , 1)

3 0
3 years ago
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