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alukav5142 [94]
3 years ago
9

Given sin r = 0.5, what is cos r?

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

0.877 but rounded it will be 0.88

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Y=-3x+5 <br> 5x-4y=-3<br> Trying to solve this problem
rodikova [14]
Your answer would be y= 5x/-4 - 3/-4 because you’ll move 5x to the other side of the equal sign then divide -4 to get y by itself
5 0
3 years ago
If you have 35 books and you order 320% more books. How many books will you have in total?
Olegator [25]

Answer:

You would have 147 books

Step-by-step explanation:

Doge is smart, he has big brain.

Doge used a calculator

7 0
3 years ago
How do I find x here?
sdas [7]
When lines cross each other in a triangle from a point to the mid point of the opposite side as shown, AV  is 2 times as long as VF

To solve for X we would have AV = 2*VF

The equation becomes:

3x+6 = 2(x+6)
 
Now we solve for X

3x+6 = 2(x+6)

Distribute the 2 on the right side:

3x + 6 = 2x +12

Subtract 2x from each side:

X +6 = 12

Subtract 6 from each side:

x = 6


 Now if you needed to solve the length of AV or VF, you replace x with 6 and solve.




4 0
3 years ago
One of diagonals of a parallelogram is its altitude. What is the length of this altitude, if its perimeter is 50 cm, and the len
balandron [24]

The sum of adjacent sides is half the perimeter, so is 25 cm. Since the side lengths are consecutive numbers, they are both nearly half of 25 cm. One side is 12 cm, the other is 13 cm.

These lengths, then, are one leg and the hypotenuse of the right triangle that makes up half the parallelogram. The other leg, the altitude, is found using the Pythagorean theorem (or your knowledge of Pythagorean triples). It is

... altitude = √((13 cm)² -(12 cm)²) = √(25 cm²) = 5 cm

The length of the altitude is 5 cm.

6 0
3 years ago
Find the measure of the indicated angle to the nearest degree.
eimsori [14]

1. use sin

inverse of sin(44/57) = 50.5 ---> 51°

2. use tan

inverse of tan(6/8) = 36.8 ---> 37°

3. use cos

inverse of cos(20/31) = 49.8 ---> 50°

4. use sin

inverse of sin(37/58) = 39.6 ---> 40°

6 0
3 years ago
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