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almond37 [142]
3 years ago
10

What is the value of Tan θ?

Mathematics
1 answer:
abruzzese [7]3 years ago
4 0

Answer:

I believe the answer is -4/3

Step-by-step explanation:

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A right triangle has a base that measure 39 inches and a height that measures 80 inches. What is the length of its hypotenuse?
guajiro [1.7K]
The Pythagorean Theorum formula is a(squared) + b(squared)= c(squared). If you plug in the numbers, the equation is 39(squared) + 80(squared)= c(squared). That simplifies to 1521+6400=c(squared). Adding results in 7921=c(squared). Finally, when you take the square root of both sides, you are left with 89=c (aka the hypotenuse)
5 0
3 years ago
Which statements about the line that passes through (−2, 0) and (2, −4) are true? Select all that apply.
inn [45]

Your question is incomplete.

Answer choices not apply.

But if this is your question in the picture below then this is your answer..

Answer:

The line intersects the y-axis at (0, −2).

The equation of the line is y = −x − 2.

The line intersects the x-axis at (−2, 0).

Step-by-step explanation:  

6 0
3 years ago
Please help Explanation will be appreciated thanks,
Genrish500 [490]

Answer: A; 6.3%

Step-by-step explanation:

Problem 1

For the first problem, we first want to find y so that we can plug it into the expression.

We can use elimination method for the system of equations to solve.

3x+3y=21

3x-y=5

We subtract both equations to eliminate x.

4y=16                                        [divide both sides by 4]

y=4

Now that we know y, we can plug it into the expression.

\frac{4}{2} -3                                         [divide]

2-3                                         [subtract]

-1

We know that the answer is A.

--------------------------------------------------------------------------------------------------------

Problem 2

For the second problem, we need to know how to calculate percent error. The formula for precent error is \frac{|measured-exact|}{exact} *100%. We know that the exact value is 80 because the buyer was supposed to given 80. 75 is the measured value because that was what the buyer was given.

\frac{|75-80|}{80} *100%                               [subtract]

\frac{|-5|}{80} *100%                                   [solve absolue value]

\frac{5}{80} *100%                                     [divide]

0.0625*100%                               [multiply]

6.25

Since the problem said to round to one decimal place, we know that the answer is 6.3%.

4 0
3 years ago
Evaluate 4|-2| - |-3|
Nitella [24]

As we know these two lines mean | | a modulus sign. The modulus symbol is sometimes used in conjunction with inequalities. A modulus sign in simple words just ignores the sign and gives us the absolute value.

For example in this case the modulus gives us 4 x 2 - 3. As you can see the modulus sign has ignored the original negative signs with the numbers.

So after evaluating the equation the answer comes out to be 8 - 3 which is equal to 5.

5 0
3 years ago
Work out the angles marked with letters. Give reasons for each answer.
german
A. angel a is 50 bc since it is isosceles, the two ungiven angles equal the same (180-80=100, 100/2=50)
B. 180=28+28+b, 180=56+b, 124=b
5 0
3 years ago
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