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3 years ago

How do you write product 60 x 1

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

4 0

Answer: 60

Step-by-step explanation: When you multiply anything by 1, it’ll always equal the first factor before the multiplication sign.

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Which of the following is true about the right triangle?

katrin2010 [14]

Option 1. $cos (a) = \frac{3}{5}$ , option 3. $sin (a) = \frac{4}{5}$ , and option 5. $tan (a) = \frac{4}{3}$ are true about the right triangle.

Step-by-step explanation:

Step 1:

According to the Pythagorean theorem, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

Here the hypotenuse measures 15 units. Assume the other side measures x.

$15^{2} = x^{2} +9^{2} , x^{2} = 15^{2} -9^{2} .$

$x^{2} = 144, x= 12.$

Step 2:

$sin \theta = \frac{oppositeside}{hypotenuse} ,cos \theta = \frac{adjacentside}{hypotenuse} , tan \theta = \frac{oppositeside}{adjacentside}.$

For angle A, the opposite side is 12 units long, the adjacent side is 9 units long and the hypotenuse is 15 units long.

$sin (a) = \frac{12}{15} ,cos(a) = \frac{9}{15} , tan(a) = \frac{12}{9}.$

$sin (a) = \frac{4}{5} ,cos (a) = \frac{3}{5} , tan (a) = \frac{4}{3}.$

So option 1. $cos (a) = \frac{3}{5}$ , option 3. $sin (a) = \frac{4}{5}$ , and option 5. $tan (a) = \frac{4}{3}$ are true about the right triangle.

3 0

3 years ago

Please help me on this question

serious [3.7K]

Answer:

The answer is A

Step-by-step explanation:

$\frac{1 \times 3}{2 \times 3} = \frac{3}{6} \\ \\ \frac{2 \times 2}{3 \times 2} = \frac{4}{6}$

5 0

3 years ago

Billy is 6 years younger than Amy. The sum of their ages is 22. How old will each of them be in 8 years?

Dafna11 [192]

First let's find their current ages:
Billy + 6years = Amy
Billy + Amy = 22

Combining these equations:
Billy + (Billy + 6years) = 22
2 Billy = 16
Billy = 8

Billy + 6 = Amy
8 + 6 = Amy
Amy = 14

In 8 years Billy will be 16 and Amy will be 22. The answer is d.

3 0

3 years ago

Read 2 more answers

PLEASE HELP IM BEGGING Ira B. Scholar, that bizarre math teacher, put the figure at right on a recent test and said,

rewona [7]

Answer:

The perimeter is the distance all the way around the outside of a 2D shape. To calculate the perimeter, sum the lengths of all the sides.

Therefore, perimeter of the triangle = (2x - 8) + (2x + 5) + (30 - 3x)

Collect like terms: 2x + 2x - 3x - 8 + 5 + 30

Combine like terms: x + 27

Therefore, perimeter of triangle = x + 27

We are told that the perimeter is 25:

x + 27 = 25

Subtract 27 from both sides: x = -2

If x = -2, then the side with equation 2x - 8 = (2 x -2) - 8 = -12

A length cannot be negative, therefore the perimeter cannot equal 25.

7 0

2 years ago

How do u solve 4p - 40 = 7(-2p + 2) ?

mr Goodwill [35]

Answer:

Simplifying

4p + -40 = 7(2p + 2)

Reorder the terms:

-40 + 4p = 7(2p + 2)

Reorder the terms:

-40 + 4p = 7(2 + 2p)

-40 + 4p = (2 * 7 + 2p * 7)

-40 + 4p = (14 + 14p)

Solving

-40 + 4p = 14 + 14p

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '-14p' to each side of the equation.

-40 + 4p + -14p = 14 + 14p + -14p

Combine like terms: 4p + -14p = -10p

-40 + -10p = 14 + 14p + -14p

Combine like terms: 14p + -14p = 0

-40 + -10p = 14 + 0

-40 + -10p = 14

Add '40' to each side of the equation.

-40 + 40 + -10p = 14 + 40

Combine like terms: -40 + 40 = 0

0 + -10p = 14 + 40

-10p = 14 + 40

Combine like terms: 14 + 40 = 54

-10p = 54

Divide each side by '-10'.

p = -5.4

Simplifying

p = -5.4

Step-by-step explanation:

brainliest????

8 0

4 years ago

Read 2 more answers