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I am Lyosha [343]
3 years ago
10

I need help solving this problem

Mathematics
2 answers:
guapka [62]3 years ago
8 0

Answer:

- 5/13

Step-by-step explanation:

tans = 5/12 = height/base

Using Pythagoras, hypotenuse = √12² + 5² = 13

Therefore coss had to be 12/13

But since cos s < 0, cos s = - 12/13

Thus,

tanA = sinA/cosA

tanA cosA = sinA

(5/12)(- 12/13) = sinA

- 5/13 = sinA

svet-max [94.6K]3 years ago
6 0

Answer:

sin s = - \frac{5}{13}

Step-by-step explanation:

Given

tan s = \frac{5}{12} = \frac{opposite}{adjacent}

Then this is a 5- 12- 13 right triangle with hypotenuse = 13

Since tan s > 0 and cos s < 0

Then s is in the third quadrant where sin s < 0

sin s = \frac{opposite}{hypotenuse} = - \frac{5}{13}

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kenny6666 [7]

Answer:

90 degrees

Step-by-step explanation:

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5 0
3 years ago
Each day, there is a 75% chance that elise will do her homework. what is the probability she does her homework on monday or tues
serg [7]
This problem is easier solved by finding the probability that she does NOT do her homework both Monday and Tuesday, which is obtained by the multiplication rule.

P(no HW on Monday) = 1-0.75 = 0.25
P(no HW on Tuesday) = 1-0.75 = 0.25
P(no HW on both Monday and Tuesday) = 0.25*0.25=0.0625 
    [by the multiplication rule]

This means that the rest of the time (1-0.0625=0.9375) Elsie does her homework either Monday, or Tuesday, or both days.
=>
P(HW either Monday, Tuesday, or both) = 0.9375

(note: in current English, Monday or Tuesday means "either Monday, Tuesday, or both days")

5 0
3 years ago
Read 2 more answers
2
Katarina [22]

Answer:

The volume of rectangular prism is \frac{24}{105} inches³

Step-by-step explanation:

Given as :

The Length of rectangular prism = L = \frac{2}{3} inches

The Breadth of rectangular prism = B = \frac{3}{5} inches

The Height of rectangular prism = H = \frac{4}{7} inches

Let The volume of rectangular prism = V inches³

A rectangular prism is a 3-D figure with 6 faces

Now, <u>From formula of rectangular prism</u>

Volume = Length × width × height

Or, V = L × B × H

Or, V =  \frac{2}{3} inches ×  \frac{3}{5} inches × \frac{4}{7} inches

or, V = \frac{2\times 3\times 4}{3\times 5\times 7} inches³

or, V = \frac{24}{105} inches³

So,  The volume of rectangular prism = V  =  \frac{24}{105} inches³

Hence The volume of rectangular prism is \frac{24}{105} inches³ Answer

5 0
3 years ago
17 POINTS PLEASE HURRY !!
Elena L [17]

Answer:

B

Step-by-step explanation:

Hope this helps!

5 0
2 years ago
Read 2 more answers
Mary has a cone that has a radius of 5cm and height of 10cm. James has a square pyramid with base length of 10cm and height of 5
lukranit [14]

Answer: The cone has a larger volume.

Step-by-step explanation:

Volume of a cone = ⅓πr²h

where, radius = 5cm

height = 10cm

Volume = ⅓ × 3.142 × 5² × 10

Volume of cone = 261.83cm³

Volume of square pyramid = A(h/3)

where, A = 10 × 10 = 100cm²

Volume = 100 × (5/3)

Volume of square pyramid = 166.67cm³

Therefore, the cone has a larger volume.

5 0
2 years ago
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