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den301095 [7]
3 years ago
13

PLEASE I NEED HELP :((((;((((

Mathematics
1 answer:
ser-zykov [4K]3 years ago
6 0

Answer:

Complete explanation is in the picture.

Step-by-step explanation:

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Given that cosA = -8/17  and sinA is negative, determine the value of tanA.​
borishaifa [10]

Answer:

tan A = -15/8.

Step-by-step explanation:

sin^2a = 1 - cos^2A

= 1 - (-8/17)^2

= 225/289

So sin A= 15/17

tan A = sin A / cos A

=  15/17 / -8/17

= 15/-8

= -15/8.

5 0
3 years ago
How do I get the answer
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3 years ago
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Find the area of a triangle with a base length of 3 units and a height of 4 units. 3 square units 6 square units 7 square units
yan [13]

For this case we have that by definition, the area of a triangle is given by:

A = \frac {b * h} {2}

Where:

b: It is the base of the triangle

h: It is the height of the triangle

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b = 3 \ units\\h = 4 \ units

Substituting in the formula we have:

A = \frac {3 * 4} {2} = \frac {12} {2} = 6 \ units ^ 2

So, the area of the triangle is6 \ units ^ 2

Answer:

6 \ units ^ 2

8 0
3 years ago
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Lamar used 7/8 of a cup of raisins to make snacks mix. he used 3/4 of a cup of raisins to make cookies what expression could be
Alinara [238K]
The answer is B.

In order to add the two values together, you must find the least common multiple for the denominators. The denominators are 8 and 4, and the least common multiple of 8 and 4 is 8. Because you have to multiply 4 by 2 to get 8, you must also multiply 3 by 2 to get 6. This will give you 6/8.
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2 years ago
Divide. remainder 25 )1,675​
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Step-by-step explanation:

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2 years ago
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