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Scilla [17]
3 years ago
13

2(x - 2) = -4x + 44 what does x equal

Mathematics
2 answers:
Vesnalui [34]3 years ago
6 0

2(x−2)=−4x+44

(2)(x)+(2)(−2)=−4x+44(Distribute)

2x+−4=−4x+44

2x−4=−4x+44


Add 4x to both sides.

2x−4+4x=−4x+44+4x

6x−4=44

Add 4 to both sides.

6x−4+4=44+4

6x=48

Divide both sides by 6.

6x/6=48/6

x=8

Komok [63]3 years ago
5 0
2(x - 2) = -4x + 44

First, expand. / Your problem should look like: 2x - 4 = -4x + 44
Second, add 4 to both sides. / Your problem should look like: 2x = -4x + 44 + 4
Third, simplify -4x + 44 + 4 to get -4x + 48. / Your problem should look like: 2x = -4x + 48
Fourth, add 4x to both sides. / Your problem should look like: 2x + 4x = 48
Fifth, add 2x + 4x to get 6x. / Your problem should look like: 6x = 48
Sixth, divide both sides by 6. / Your problem should look like: x =  \frac{48}{6}
Seventh, simplify \frac{48}{6} to 8. / Your problem should look like: x = 8

Answer: x = 8

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Answer:

y = 9

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3 years ago
Use basic trigonometric identities to simplify the expression: sin (-x) cos (-x) csc (-x) =?
Anestetic [448]

Answer:

sin (-x) cos (-x) csc (-x) =cos(x)

Step-by-step explanation:

We know by definition that the cosine is an even function, therefore

cos (-x) = cos (x)

We also know that the sin is an odd function, therefore

sin (-x) = -sin (x)

By definition:

cscx = \frac{1}{sinx}.

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Using these trigonometric properties we can simplify the expression

sin (-x) cos (-x) csc (-x)= -sin(x)cos(x)*(-\frac{1}{sin(x)})\\\\sin (-x) cos (-x) csc (-x)=cos(x)

7 0
3 years ago
Read 2 more answers
G - 35 = -62<br> What is g equal to?
Alborosie

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Step-by-step explanation:

5 0
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Select the correct answer. In which table does y vary inversely with x?
vladimir2022 [97]

Answer:  C

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

Varies inversely means xy = k

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   2(-9) = -18

                     -3 ≠ -18

B. 1(-6) = -6

   2(-12) = -24

                    -6 ≠ -24

C. 1(6) = 6

   2(3) = 6

   3(2) = 6

                6 = 6 = 6      This works!

D. 1(-3) = -3

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The only table that has the same k-value is option C.

4 0
3 years ago
Shahruk plays four games of golf. His four scores have a mean of 75, a mode of 78 and a median of 77. Work out his four scores.​
Naily [24]

Answer:

the four scores are 68, 76, 78, and 78.

Step-by-step explanation:

The mean of the four scores is 75.

So, the sum of all the four scores is equal to the product of mean and number of scores. Therefore,

Sum of scores , 'S' = Mean  Number of scores.

Now, let one of the middle scores be 'x'.

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So, median is given as:

As 76 is smaller than 78.

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Since mode is 78, it has to be repeated more than once. So, the fourth score will also be 78.

Now, let the first score be 'y'. Therefore, the sum is given as:

Therefore, the four scores are 68, 76, 78, and 78.

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