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Soloha48 [4]
2 years ago
8

-4x - 3(2x + 8) = 36 solve for x

Mathematics
2 answers:
Neko [114]2 years ago
6 0

Answer:

x =  - 6

Step-by-step explanation:

- 4x - 3(2x + 8) = 36 \\  - 4x - 6x - 24 = 36 \\  - 10x = 36 + 24 \\  - 10x = 60 \\   \frac{ - 10x}{ - 1 0}  =  \frac{60}{ - 10}  \\ x =  - 6

hope this helps

brainliest appreciated

good luck! have a nice day!

vampirchik [111]2 years ago
5 0

Answer:

x = -6

Step-by-step explanation:

-4x - 3(2x + 8) = 36

-4x - 6x - 24 = 36

-10x = 60

-x = 6

x = -6

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From a box containing 10 cards numbered 1 to 10, four cards are drawn together. The probability that their sum is even is 21 21
ankoles [38]

Answer:

Step-by-step explanation:

We know that between 1 to 10 there are 5 even and 5 odd numbers.

We could get 4 even cards , 4 odd cards or 2 odd and 2 even cards

Let´s check all this combinations

Case 1: When all 4 numbers are even:  

We are going to take 4 of the 5 even numbers in the box so we have

5C4=5

Case 2: When all 4 numbers are odd:  

We are going to take 4 of the 5 odd numbers in the box, so we have

5C4=5

Case 3: When 2 are even and 2 are odd:

We are giong to take 2 from 5 even and odd cards in the box so we have

 

5C2 * 5C2

Remember that we obtain the probability from

\frac{Number-of-favourable-Outcome}{Total-number-of-outcomes}

So we have the number of favourable outcomes but we need the Total cases for drawing four cards, so we have that:  

We are taking 4 of the 10 cards:

10C_4=210

Hence we have that the probability that their sum is even

\frac{5+5+100}{210}=\frac{11}{21}

8 0
2 years ago
Graph these two equations.<br> y= 2x - 3<br> x + 2y = 4
Vladimir [108]
This graph is x+2y=4

4 0
3 years ago
What is the factored form of 64g^3+8
vivado [14]
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3 0
3 years ago
what is the equation of a line in slope intercept form that is perpendicular to y=2x+2 and passes through the point (8,-4)
miv72 [106K]

Answer:

The equation of the line that is <em>perpendicular</em> to <em>y = 2x + 2</em> is

<em>y = -1/2x</em>

Step-by-step explanation:

The original equation is y = 2x + 2; it's slope is <em>2</em>

Any line perpendicular to this equation would have to have a slope that is the negative reciprocal of the original slope.

Example:

y = 2x + 2 so,

the perpendicular line's slope must be -1/2

Write a new equation with the new slope:

y = -1/2x + b

We know that this line passes through (8, -4)

Plug these coordinates in the equation to find b, the y-intercept

-4 = -1/2 (8) + b

-4 = -4 + b

0 = b

b = 0

We do not have to write y = -1/2x + 0

So, our final answer is "y = -1/2x  is perpendicular to y = 2x+2"

7 0
2 years ago
Easton went to a concert with some of his friends. The tickets cost $29.50 each, and they spent a total of $15 on parking. The t
grigory [225]

Answer:

Step-by-step explanation:

part one:

133-15= x

x= the amount of friends=118

part two:

118 divided by 29.50.

Easton took 3 friends with him to the concert.

4 0
2 years ago
Read 2 more answers
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