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erica [24]
4 years ago
12

Solve for x 7x = 2x - 35

Mathematics
2 answers:
-Dominant- [34]4 years ago
6 0
Subtract 2x from each side which gives you 5x=-35. Divide each side which gives you x=-7. Plugin in -7 to check you're correct.
Eduardwww [97]4 years ago
3 0
Transfer the 2x to the other side.
7x=2x-35
7x-2x=-35
5x=-35 (divide by 5)
x=-7 done!
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Find the values of x and y
denis23 [38]

Answer:

x = 29.44

y = 34

Step-by-step explanation:

For this problem, we will simply use trigonometry to find the values of y and x for the given triangle.

The two trigonometric functions we will use are tangent and sine.

The general form for tangent is:

tan (Θ) = opposite / adjacent

The general form for sine is:

sin (Θ) = opposite / hypotenuse

For our given triangle, let's solve for x.

tan (30) = 17 / x

x * tan(30) = (17 / x) * x

x tan(30) = 17

x tan(30) * ( 1 / tan(30) ) = 17 * ( 1 / tan(30) )

x = 17 / tan(30)

x = 29.44

Now, let's solve for y.

sin (30) = 17 / y

y * sin(30) = (17 / y ) * y

y sin (30) = 17

y sin (30) * ( 1 / sin(30) ) = 17 * ( 1 / sin(30) )

y = 17 / sin(30)

y = 34

Hence, the values of x and y in our triangle are as follows:

x = 29.44

y = 34

Cheers.

5 0
3 years ago
Which situation resulted in a final value of zero?
Anna71 [15]
D because -24+24 would equal a perfect 0
5 0
2 years ago
Read 2 more answers
Bentley's family took a road trip to the Grand Canyon. Bentley fell asleep 59% of the way through the trip. If the total length
labwork [276]

Answer:177

Step-by-step explanation:so for short, you need to multiply the 300 miles with the 59 precent we have and divide it to 100 this provides us the answer of miles he slept through the road trip

7 0
2 years ago
What is the surface area,in square centimeters,of the square pyramid
11111nata11111 [884]

Answer:

56 sq cm

Step-by-step explanation:

SA = Area of Base + 1/2·(Perimeter of Base)·(Slant height)

= 4² + 1/2(4x4)(5)

= 16 + 1/2(16)(5)

= 16 + 40

= 56

7 0
3 years ago
Solve 15 + a = 31 for a
pentagon [3]

Answer:

a = 16

Step-by-step explanation:

To solve your question all you have to do is subtract 15 on both sides so,

15 - 15 + a = 31 - 15

Which will give you,

15 - 15 = 0

31 - 15 = 16

So,

a = 16

Hope this helps!!

5 0
3 years ago
Read 2 more answers
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