3 years ago

Solve tan(x)(tanx+1) =0

Mathematics

1 answer:

Umnica [9.8K]3 years ago

7 0

The answer is "A" for your question.

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X + 2y = 3<br> 3x - 2y = 5<br> What is the solution to the system of equations?

Oduvanchick [21]

Step 1: -3(x+2y=3)
Step 2: -3x-6y=-9
Step 3: 3x cancels out with -3x
Step 4: add 2y and -2y, and add 3 and 5
Step 5: the answer is NO SOLUTION or INFINITE SOLUTION

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A map has a scale of 5 in. = 17 mi. If you measured the distance between two cities to be 23 in. on the map, how many miles woul

Olenka [21]

Answer: 78.2

Step-by-step explanation:

You can figure out by making proportions so 5/17=23/x and then solve for x

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3 years ago

Round 51.78 to the greatest number.

soldier1979 [14.2K]

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Step-by-step explanation:

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the bottom of a ladder must be placed 10 feet from a building. The ladder is 26 feet. How far above the ground does the ladder t

Sauron [17]

Answer:

<em>The ladder touches the wall at 24 feet from the ground.</em>

Step-by-step explanation:

The wall of the building, the ground, and the ladder form a right triangle, whose longer side is the length of the ladder.

In any right triangle, we can apply Pythagora's theorem to find any missing side length.

The ladder is 26 feet in length, the distance from the bottom of the ladder and the building is 10 feet. Calling H to the distance above the ground where the ladder touches the wall, then:

$26^2=10^2+H^2$

Calculating:

$676=100+H^2$

Solving:

$H^2=676-100$

$H^2=576$

$H=\sqrt{576}$

H=24 feet

The ladder touches the wall at 24 feet from the ground.

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