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Rainbow [258]
3 years ago
6

Solve for x: -3(2x+1) + 3x = 6x + 3 Help!!

Mathematics
1 answer:
djverab [1.8K]3 years ago
8 0

Answer:

b  x =-2/3

Step-by-step explanation:

-3(2x+1) + 3x = 6x + 3

Distribute

-6x -3 +3x =6x+3

Combine like terms

-3x-3 = 6x+3

Add 3x to each side

-3x+3x-3 = 6x+3x+3

-3 = 9x+3

Subtract 3 from each side

-3-3 = 9x+3-3

-6 = 9x

Divide by 9

-6/9 = 9x/9

-2/3 =x

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A parking spcae shaped like a paralelelogram has a base of 17 feet and a hiehgt of 9 feet, a car parked in the sapce is 16 feet
docker41 [41]

Answer:

57 Square Feet

Step-by-step explanation:

First, we determine the area of the parallelogram shaped parking space.

Area of a Parallelogram= base X Perpendicular Height

= 17X9=153 Square feet.

Next, we determine the area of the car packed on the space.

The space where the car is packed is 16 feet long and 6 feet wide.

This suggests a rectangular shape.

Area of the Packed Car

Length X Breadth=16X6= 96 Square feet.

Finally, we determine the area of the packing space not covered by the car.

Area not covered=Area of Parking Space - Area Covered by the Car

=153-96

=57 Square Feet

8 0
4 years ago
What is -3x^2-4x-4=0
ss7ja [257]

Answer:

<h2>no real solution</h2>

Step-by-step explanation:

-3x^2-4x-4=0\qquad\text{change the signs}\\\\3x^2+4x+4=0\\\\\text{use the quadratic formula:}\\\\\text{for}\ ax^2+bx+c=0\\\\\text{if}\ b^2-4ac0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

\text{We have}\ a=3,\ b=4,\ c=4.\\\\\text{Substitute:}\\\\b^2-4ac=4^2-4(3)(4)=16-48=-32

8 0
4 years ago
(1.5) x 2 = ? please help i don't understand!~
a_sh-v [17]

Answer:

3

Step-by-step explanation:

First multiply 1 by 2 and that equals 2. Then do 2 times .5 or 2 times \frac{1}{2}. This is the same as finding the half of 2 that is 1. Therefore 1+2=3

4 0
3 years ago
Please help
nalin [4]

Answer:

12870ways

Step-by-step explanation:

Combination has to do with selection

Total members in a tennis club = 15

number of men = 8

number of women = 7

Number of team consisting of women will be expressed as 15C7

15C7 = 15!/(15-7)!7!

15C7 = 15!/8!7!

15C7 = 15*14*13*12*11*10*9*8!/8!7!

15C7 = 15*14*13*12*11*10*9/7 * 6 * 5 * 4 * 3 * 2

15C7  = 15*14*13*12*11/56

15C7 = 6,435 ways

Number of team consisting of men will be expressed as 15C8

15C8 = 15!/8!7!

15C8 = 15*14*13*12*11*10*9*8!/8!7!

15C8 = 15*14*13*12*11*10*9/7 * 6 * 5 * 4 * 3 * 2

15C8 = 6,435 ways

Adding both

Total ways = 6,435 ways + 6,435 ways

Total ways = 12870ways

Hence the required number of ways is 12870ways

4 0
3 years ago
{4,1}and {6,7} find the sloped
BartSMP [9]

\bf (\stackrel{x_1}{4}~,~\stackrel{y_1}{1})\qquad (\stackrel{x_2}{6}~,~\stackrel{y_2}{7}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{7}-\stackrel{y1}{1}}}{\underset{run} {\underset{x_2}{6}-\underset{x_1}{4}}}\implies \cfrac{6}{2}\implies 3

3 0
3 years ago
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