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Fofino [41]
3 years ago
12

True or false 4x^2+ 7x ^2 + x ^2 = 11x 2

Mathematics
2 answers:
marissa [1.9K]3 years ago
8 0

Answer:

false

Step-by-step explanation:

klio [65]3 years ago
7 0
False

4x^2+7x^2+x^2=12x^2 not 11x2
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Pls help...<br><br>solve for x in the following...pls explain <br><br>a)7x+5=3x-1<br>b)5x+12=3x+14​
yKpoI14uk [10]

Answer:

a) x = -1.5

b) x = 1

Step-by-step explanation:

For problem a, you can start by subtracting 3x from both sides to gather all the like terms together:

7x + 5 = 3x - 1

-3x         -3x

4x + 5 = -1

Next, to get the coefficients on one side, you subtract 5 from both sides:

4x + 5 =  -1

    -5      -5

4x = -6

Now, you divide by 4 on both sides to isolate x:

x = -6/4 = -1.5 --- > x = -1.5

For problem b, you start by subtracting 3x from both sides(kinda like problem a):

5x + 12 = 3x + 14

-3x          -3x

2x + 12 = 14

Next, you can subtract 12 from both sides, isolating the "x term".

2x + 12 = 14

       -12  -12

2x = 2

Lastly, you can divide by 2 to get x:

x = 1

7 0
3 years ago
Read 2 more answers
1) Which of the following represents a unit rate? *
zaharov [31]

Answer:

D, It's used for every one

Step-by-step explanation:

5 0
3 years ago
Dr. Burger rides his bike to work in the mornings. Usually, he leaves his house at 8:20 and gets to the office at 9:00 riding at
Vika [28.1K]

Answer:

40 mph

Step-by-step explanation:

40 mins to bike usually, which means he bikes 10 miles. He needs to bike at a minimum of 10 miles in 15 mins, which translates to 40 miles in an hour.

P.S. He is going to surely be late.

8 0
2 years ago
If a triangle is
Goryan [66]
I believe the answer is positive rotation
6 0
3 years ago
4.72n - 0.1 = 8 + 0.67n
levacccp [35]
4.72n - 0.1 = 8 + 0.67n

4.72n - 0.67n = 8 + 0.1

4.05n = 8.1

4.05n/4.05 = 8.1/4.05 

n = 2
5 0
3 years ago
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