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hoa [83]
3 years ago
13

10-2(2x+1)=4(x-2)solve each equation for x graph your Solution on a number line ​

Mathematics
2 answers:
7nadin3 [17]3 years ago
8 0

Answer:  x = 2

<u>Step-by-step explanation:</u>

10 - 2(2x + 1) = 4(x - 2)

10 - 4x - 2 = 4x - 8       <em>distributed -2 into 2x + 1 and 4 into x - 2</em>

8 - 4x = 4x - 8             <em>added like terms (10 - 2 = 8) on left side</em>

8        = 8x - 8             <em>added 4x to both sides</em>

16       = 8x                  <em>added  8 to both sides</em>

2        =  x                   <em>divided 8 from both sides</em>

stepladder [879]3 years ago
6 0

Answer:

No solution

Step-by-step explanation:

Actually, you have only one equation here.  We will solve it for x.

Performing the indicated multiplication, we obtain:

10-2(2x+1)=4(x-2)  =>  10 - 4x - 2 = 4x - 8, or 10 - 2 = -8.  This can never be true, so this equation has no solution.

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Identify this conic section. 16y = x^2
kiruha [24]

ANSWER

A parabola.

EXPLANATION

The given conic is :

16y =  {x}^{2}

This can be rewritten as:

{x}^{2}  = 16y

{x}^{2}  = 4(4)y

This is a parabola with the vertex at the origin.

The foci is (0,4)

Therefore the given conic section is a parabola that has an axis of symmetry parallel to the y-axis.

7 0
3 years ago
Y + 0.5xy = x + 2; x = 1<br> How do you solve for y
vfiekz [6]

Step-by-step explanation:

replace the value of x with 1

y + 0.5 × 1 × y = 1 + 2

do the maths

y + 0.5y = 3

here the value of y is equal to 1. same goes for x, if we have no given value for them.

1.5y = 3

y = 3/1.5

y = 2

6 0
3 years ago
For what values of does the equation (2 + 1)^2 + 2 = 10 − 6 have two real and equal roots?
Tatiana [17]

Answer:

(2 + 1)^2 + 2 = 10 - 6  

Falso

Step-by-step explanation:

109 / 5000  

El lado izquierdo

11

 no es igual al lado derecho

4

, lo que significa que la declaración dada es falsa.

Falso

3 0
2 years ago
Justin flipped a coin and it landed on tails 7 times and heads 3 times. What is the experimental probability that the coin lands
laiz [17]

Answer:

Step-by-step explanation:

3 0
2 years ago
Patios can be made by mixing cubic meters of cement, gravel, and stones in the ratio 9:4:6. How much gravel is needed to make 20
LenKa [72]

Answer:

44 cubic meters

Step-by-step explanation

9 + 4 + 6 = 19

9/19 of the patio will be cement

4/19 of the patio will be gravel

6/19 of the patio will be stones

Work out the amount of gravel - 4/19 * 209 = 44 cubic meters

:)

7 0
2 years ago
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