All categories

3 years ago

Please help and show work

Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

3 0

Step-by-step explanation:

11.

tan 30 = perpendicular / base = x/ 7

1/√3 = x/7

X= 7/√3

cos 30 = 7/y

√3/2 = 7/y

y = 7×2/ √3

y= 14/√3

plz mark my answer as brainlist plzzzz.

hope this will be helpful to you ☺️.

You might be interested in

Please help me with this question!

coldgirl [10]

Coordinates

-18 + 19½ = 1½?

37½

Step-by-step explanation:

(18 × 2) + 1½ = 37½

5 0

4 years ago

Do you know the answer to this one I need answer plz

Jlenok [28]

The correct option is first option: x=t(y-4f)

Further explanation:

Given equation is:

$\frac{x}{t}+4f=y$

In order to solve the equation for x, we have to isolate x on one side of the equation

Using Subtraction property of equality

Subtracting 4f from both sides

$\frac{x}{t}+4f-4f=y-4f\\\frac{x}{t}=y-4f$

Multiplication property of equality

Multiplying both sides by t

$\frac{x}{t}*t=t(y-4f)\\x=t(y-4f)$

Hence, the correct option is first option: x=t(y-4f)

Keywords: Linear equation, Equation solution

Learn more about keywords about:

#LearnwithBrainly

7 0

3 years ago

A father is 51 years old and his son is 19. How many years ago was the father 5 times his son's age?

Jet001 [13]

Answer:

x=11

Step-by-step explanation:

51-x-5*19= -5x

51-5*19= -4x

4x=5*19-51

4x=95-51

4x=44

x=11

5 0

3 years ago

Read 2 more answers

_3x_13 =_7x+15 what is the an

Tema [17]

Answer:

Step-by-step explanation:

_3x_13 =_7x+15 what is the anSWER?

assuming that the underscore is a minus and you are looking for the x value.

-3x - 13 = -7 + 15

-3x = -7 + 15 + 13

-3x = 8 + 13

-3x = 21

x = -7

---------------

check

-3 * (-7) - 13 = -7 + 15

21 - 13 = 8

8 = 8

the answer is good

3 0

2 years ago

The theoretical probability of selecting a consonant at random from a list of letters in the alphabet is 21/26. Wayne opens a bo

marysya [2.9K]

Answer:

You need a corpus of text. It usually gathers text from passages, chapters, or sections of a book.

6 0

3 years ago

Read 2 more answers

Please help and show work ​

Please help and show work