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liberstina [14]
4 years ago
5

8

Mathematics
1 answer:
Marina86 [1]4 years ago
6 0
Add 11.99 + 4.99 + 4.09 = 21.09, so your answer is 21.09
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X^2=14x-49. i just dont know how to do the steps to solve this equation
KonstantinChe [14]
x^2=14x-49 \\ \\ x^2 - 14x + 49 = 0 \ / \ move \ terms \\ \\ x^2 - 2(x)(7) + 7^2 = 0 \ / \ rewrite \\ \\ (x - 7)^2 = 0 \ / \ square \ of \ difference \ method \\ \\ x - 7 = 0 \ / \ square \ root \ each \ side \\ \\ x = 7 \ / \ add \ 7 \\ \\

The answer is: x = 7.
5 0
3 years ago
I how do I do this ?!??
stiv31 [10]

Answer:

m = -3/2 and b = 4

Step-by-step explanation:

m = slope and u go down 3 and over 2 so its -3/2

b = your y intercept and its intercepting through 4 on the y-axis

5 0
4 years ago
How to solve for X<br><br> 5( x - 3)/2 - 1 = 9
liq [111]

Answer:

7

Step-by-step explanation:

5( x - 3)/2 - 1 = 9

5/2(x-3)-1=9

5/2x-15/2-1=9

5x-15-2=18

5x-17=18

5x=35

x=7

5 0
4 years ago
1/2 + 1/4 = how many quarters
Aleksandr [31]

Answer:

3

Step-by-step explanation:

1/2 = 0.5

1/4 = 0.25

1/2 + 1/4

= 0.5 + 0.25

= 0.75

= 75/100

= 3/4

Quarter is 1/4.

3/4 can be written as 3 x 1/4

Hence,

1/2 + 1/4 is 3 times 1/4

1/2 + 1/4 = 3 quarters.

5 0
2 years ago
Read 2 more answers
What are the solutions of the system 7x + 3y = -3 and y = -2x? (-1, 0) and (0, -1) (-8, 3) and (3, -8) (-1, 0) and (-8, 3) (0, -
Oliga [24]

Answer:

where is the #line

Step-by-step explanation:

5 0
3 years ago
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