How to solve this math question?

Answers

Answer 1

Answer:

To find the length of side HJ, we need to use sine, as we're looking for the length of the side that is opposite to the side where we have an angle measure.

Sin(70*) = x/13

Sin(70* = 0.94) = x/13

Multiply both sides by 13.

Sin = 12.21 = x

The side HJ is equal to 12.21.

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1) •There were 3,905 more hits on the schools website in January than February. •Feb. = 9854 hits.•How many hits to the schools website have during both months?A) About how many hits did the website have during Jan and Feb?B) exactly how many hits did the website have during Jan and Feb?

What is the complex number V-36 + 10?

Answers

Answer:

Step-by-step explanation:

Answer:

= 5.099 i

Step-by-step explanation:

The problem tells us to find the square root of -36 +10

√(-36 + 10)

= √(-26)

Which is an imaginary number

Lets remember that, √(-1) = i

= i*√(26)

= 5.099 i

Please see attached images for more information

Divide. −5 5/6÷(−2 1/6)

Answers

Step-by-step explanation:

-5 5/6 ÷(-2 1/6)

Turn them into improper fractions

-35/6 and -13/6

Change the division sign to multiply

-35/6 × -13/6

Making -13/6 into -6/13

Solve

-35/6 × -6/13 = 210/78

Simplify

Answer:

35/13

Edit: if you want it to be a mixed number, it will be 2 9/13

Answer:

-5 5/6 ÷(-2 1/6)

Turn them into improper fractions

-35/6 and -13/6

Change the division sign to multiply

-35/6 × -13/6

Making -13/6 into -6/13

Solve

-35/6 × -6/13 = 210/78

Simplify explanation:

Three consecutive multiples of 5 have a sum of 75. What is the least number?

Answers

If we let x equal the first number, then the next number has to be x + 5 (since they are multiples of 5) and the next would be x + 10. Now we just add them and set them equal to 75...

x + x+5 + x+10 = 75

Combine like terms

3x + 15 = 75

subtract 15 from each side

3x = 60

divide each side by 3

x = 20

So the least number is 20

*Now let's check to make sure we are right...
20 + 25 + 30 = 75
75 = 75 True... It checks!

I need help what times what equals 156

Answers

The answer to that would be 39 x 4 = 156

Here are few examples:

78*2=156

52*3=156

26*6=156

HOPE THIS HELPS!!!!!

A rectangle has a length of 4 times the width minus 7.The perimeter is 136.Find the width and the length.

Answers

Let the width be x

Therefore Length will be 4x - 7

Formula for perimeter of rectangle is:

2L + 2w = P (where L is length, w is width and P is perimeter.)

2(4x -7) + 2 (x) = 136

8x -14 + 2x = 136

8x + 2x = 136 + 14

10x = 150

x = 150/10

x = 15

The width is 15

therefore the length will be : 4(15) -7 → 60 - 7 = 53

The length is 53

$199 MP3 player; 15% discount

Answers

Divide $199 into 100 parts, then take 85 of those parts to get your answer...

199 / 100 = 1.99

-------

1.99 x 85

= (2.00-0.01) x 85

= 2 x 85 - 0.85

= 2 x (80 + 5) - 0.85

= 160 + 10 - 0.85

= 170 - 0.85

= 169.15

-----------

Answer:

$169.15

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