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rosijanka [135]
3 years ago
6

Solve for V. 3y=39 Simplify your answer as much as possible.

Mathematics
1 answer:
Crank3 years ago
3 0

Answer:

3y=39 :3

y=13

Step-by-step explanation:

prove me wrong

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The CIA estimates the world population is growing at a rate of 1.167?% each year. The world population for 2007 was about 6.6 bi
lianna [129]
Answer:11.23 billion
8 0
4 years ago
Mr. Bloop can high jump 5.75 feet. How far short is that of Charles Austin's record of 7 ft 10 in?
a_sh-v [17]

Answer:

5.75 feet is the same as 5 ft 9 inches (because 12 in = 1 ft and 0.75 * 12 = 9 so its 9 in). 7 ft 10 in - 5 ft 9 in = 2 ft 1 in.

6 0
4 years ago
Dana can type nearly 90 words per minute. Use this information to find the number of hours it will take her to type 2.6 x 105 wo
Vlad1618 [11]

Dana can type 90 words per minute.

Since, 1 minute = \frac{1}{60} hours

Therefore, number of words she can type = \frac{90}{\frac{1}{60}}

                                                                      = 90×60

                                                                      = 5400 words per hour

If she types 2.6\times 10^5 words in 'x' hours.

Number of words Dana types with the given speed in 'x' hours = Speed of typing × Time

= 5400\times x

Therefore, 5400\times x =2.6\times 10^5

5400x=260000

x=\frac{260000}{5400}

x=48.15 hours

Therefore, Dana types 2.6\times 10^5 words in 48.15 hours.

Learn more,

brainly.com/question/621754

6 0
3 years ago
Find the trigonometric ratio and write answer as simplified fraction
SCORPION-xisa [38]
<h3>Answer:  3/5</h3>

Explanation:

For angle A, the side furthest from here is BC = 15. This is the opposite side for this reference angle.

The hypotenuse is AC = 25, which is the longest side of any right triangle (always opposite the 90 degree angle).

The sine ratio involves dividing the opposite over hypotenuse.

So,

sin(angle) = opposite/hypotenuse

sin(A) = BC/AC

sin(A) = 15/25

sin(A) = (3*5)/(5*5)

sin(A) = 3/5

4 0
3 years ago
NEED ANSWER ASAP- MARK AS BRANLIEST
azamat

Answer:

  x = 1 +√5

Step-by-step explanation:

There are different formulas for the area of a triangle available, depending on the given information.

<h3>Formulas</h3>

When two sides and the angle between them are given, the relevant area formula is ...

  Area = 1/2(ab)sin(C)

When the base and height of a triangle are given, the relevant area formula is ...

  Area = 1/2bh

<h3>Equal Areas</h3>

The problem statement tells us the two triangles shown have equal areas. That means the two formulas will give the same result.

  Area from angle = Area from base/height

  1/2(x·x)sin(30°) = 1/2(x-2)(x+1)

  x² = 2(x² -x -2) . . . . . . . . . . . use sin(30°) = 1/2, multiply by 4

  x² -2x -4 = 0 . . . . . . . . subtract x², eliminate parentheses

  (x -1)² = 5 . . . . . . . . . add 4+1 to complete the square

<h3>Value of x</h3>

  x = 1 ± √5 . . . . . . take the square root, add 1

The value of x must be greater than 2 in order for the triangle side lengths to be positive. (x-2 > 0) This means x = 1-√5 is an extraneous solution.

The value of x is 1 +√5.

5 0
3 years ago
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