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3 years ago

Please help me guys!!! Value of X?

Mathematics

1 answer:

Arturiano [62]3 years ago

3 0

The value of X is 56.66°. The sine of X (opposite/hypotenuse) is 66mm/79mm. When finding angle measurements, you would use sin−1 instead of sin, which is used for finding side lengths. So, X= sin−1(66/79). This then results to 56.66° after using the trig functions in a calculator.

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−10x+3y=5 ASAP<br> x=y−4 <br><br> x ?<br> y?

nexus9112 [7]

Answer:

x = 1 and y = 5

Step-by-step explanation:

Use substitution because you know that x = y - 4, and plug this into the first equation to get -10(y - 4) + 3y = 5, or -10y + 40 + 3y = 5. This is -7y = -35 so y = 5. Plug this into the 2nd equation to get that x = 1 and y = 5.

3 0

3 years ago

Solve for k: -2k = k - 7 - 8 and explain in number form

Kamila [148]

Answer:

k = 5

Step-by-step explanation:

-2k = k - 7 - 8

Combine like terms

-2k = k - 15

add 15 to both sides

-2k + 15 = k

Add 2k to both sides

15 = 3k

Divide both sides by 3

k=5

Hope this helps!

7 0

3 years ago

If 5x-26=x+50, then the value of x is

horsena [70]

Let's work this problem out!

First: 5(x) - 26 - x + 50 = ?

Second: 4(x) - 76 = ?

Third: 4 = ?
↑
(Solve Step 3)

Fourth: x - 19 = 0
↑
(Add the number 19 to each of your sides for Step 4)

Finally we get to your answer

19 + 0 = 19 ; 19 - 19 = 0

So, therefore the value of "x" is 19

$x = 19$

3 0

3 years ago

SOMEONE PLEASE HELP ME

slava [35]

Smart Dot, multiply the cost per hour by number of hours (t) and add to the monthly fee:

C = 0.50t + 12

Communication plus: Multiply the cost per hour by number of hours (t)

C = 2.50t

5 0

3 years ago

2x+6>2and 5x< 6 + 2x

LiRa [457]

Answer:

-2 > x < 2

Step-by-step explanation:

Given that:

2x + 6 > 2

Subtracting 6 from both sides:

2x + 6 -6 > 2-6

2x > -4

Dividing by 2 on both sides:

x > -2

For second equation:

5x< 6 + 2x

Subtracting 2x from both sides:

5x - 2x < 6 + 2x -2x

3x < 6

Dividing by 3 on both sides:

x < 2

Result: -2 > x < 2

8 0

3 years ago