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Zigmanuir [339]
3 years ago
8

Simplify by combining like terms on each side of the equation. State your new equation.

Mathematics
1 answer:
vladimir1956 [14]3 years ago
6 0

6x + x + x - 5 - 2 = 8 + 2x + x

combine like terms

8x -7 = 8 +3x

subtract 3x from each side

5x -7 = 8

add 7 to each side

5x = 15

divide by 5

x=3

Answer: 8x -7 = 8 +3x

x=3

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How many places do you need to move the decimal to the left to write the number below in scientific notation? 1,200,000,000
OverLord2011 [107]
1.2 * 10 (9)
You need to move it 9 places to the left
5 0
4 years ago
Solve the system of linear equations by graphing. y = –5/2x – 7 x + 2y = 4 What is the solution to the system of linear equation
muminat

ANSWER

(–4.5, 4.25)

EXPLANATION

The first equation is

y =  -  \frac{5}{2}x - 7

This function is in the slope-intercept form

The second equation is:

x + 2y = 4

2y =-x+ 4

y =  -  \frac{1}{2}x + 2

The graph of the two functions are shown in the attachment.

The point of intersection represents the solution to the system of equations they represent.

The solution is

(–4.5, 4.25)

4 0
3 years ago
Will upvote!!!
ipn [44]
B because 2^3=8
8^1/3=2
5 0
3 years ago
(5-√x)² = y-20√2<br> Solve for x and y.
gizmo_the_mogwai [7]

Answer:

33

Step-by-step explanation:

(

5

−

√

x

)

2

=

5

2

−

(

2

×

5

×

√

x

)

+

x

=

25

−

10

√

x

+

x

=

(

x

+

25

)

−

10

√

x

In order to eliminate the irrational

−

20

√

2

term with

x

and

y

being integers, we must have:

−

10

√

x

=

−

20

√

2

Divide both sides by

−

10

to get:

√

x

=

2

√

2

So

x

=

(

2

√

2

)

2

=

8

y

=

x

+

25

=

8

+

25

=

33

4 0
2 years ago
10 points help due tomarrow
strojnjashka [21]

Answer:

\boxed{0.2}

Step-by-step explanation:

Convert \dfrac{12}{60} to a decimal

Step 1. Reduce the fraction to its lowest terms.

Divide both numerator and denominator by their greatest common factor (12)

\dfrac{12}{60} =\dfrac{1}{5}

Step 2. Convert the denominator to a power of 10

Multiply both numerator and denominator by 2.

\dfrac{1}{5} \times \dfrac{2}{2} = \dfrac{2}{10}

Step 3. Divide the numerator by the denominator

Dividing by 10 moves the decimal point one place to the left.

\dfrac{2}{10} = \boxed{0.2}

4 0
4 years ago
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