All categories

3 years ago

Please help me find the value of x

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

3 0

Answer:

Step-by-step explanation:

$(tangent)^{2}$ = AC × CB

$12^{2}$ = ( x + 9 ) 9

144 = 9x + 81

9x = 144 - 81

9x = 63

x = 63 ÷ 9

x = 7

You might be interested in

Problem Melissa is helping her dad build a walkway in their backyard. The walkway will be 54 feet long and 1.5 feet wide. The lo

bixtya [17]

Answer:

Step-by-step explanation:

54 dived by 1.5 is 36.

36 dived by 12 is 3.

You need 3 boxes.

5 0

3 years ago

Andrea does not understand why if x is a solution to the equation 3-x=4 then x is also a solution to the equation 12=9-3x. Write

Strike441 [17]

Answer:

Both equations are same

Step-by-step explanation:

The reason why this is true is not far fetched

looking at the first equation, we have;

3-x = 4

we can also factorize the second equation to look this way

By this, we shall be having

3(4) = 3(3-x)

By the time we take out the 3 from both sides, we will have the initial equation

So what we are saying is that both equations are the same

6 0

3 years ago

Anyone know the answer?

aleksklad [387]

I want to say it’s the second one

3 0

3 years ago

PLEASE HELP ME WITH THIS

Elenna [48]

9514 1404 393

Answer:

$0.50/lb

Step-by-step explanation:

The increase in cost is $40-25 = $15 for an increase in weight of 50-20 = 30 lb. That makes the cost per pound be ...

cost/pounds = $15/(30 lb) = $0.50/lb

6 0

3 years ago

Are these ordered pairs a function? yes or no(3,4)(5,6)(7,8)(5,9)

Ulleksa [173]

Answer:

Step-by-step explanation:

3,4×5,6×7,8×5,9

2 Simplify 4\times 54×5 to 2020.

3,20,6\times 7,8\times 5,93,20,6×7,8×5,9

3 Simplify 6\times 76×7 to 4242.

3,20,42,8\times 5,93,20,42,8×5,9

4 Simplify 8\times 58×5 to 4040.

3,20,42,40,93,20,42,40,9

4 0

3 years ago