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3 years ago

Can someone please explain to me how I do this?

Mathematics

2 answers:

Nastasia [14]3 years ago

6 0

Answer:

x = 12.77 cm

Step-by-step explanation:

In this problem, we will use trigonometry to find the missing value. I will use the 70 degree angle to find it.

12cm is the opposite value for 70, and x is the hypotenuse. We will use Sine to solve this problem.

Since we are missing the hypotenuse, we set up the equation like this -

x = 12/Sin(70)

This leads us to our answer, x=12.77 cm (rounded)

Hunter-Best [27]3 years ago

6 0

Check the picture below.

make sure your calculator is in Degree mode.

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<img src="https://tex.z-dn.net/?f=find%20%5C%3A%20%20%5Cfrac%7Bx%7D%7By%7D%20" id="TexFormula1" title="find \: \frac{x}{y} " al

Aliun [14]

Answer:

The Answer is: x / y = 8 / 3

Step-by-step explanation:

3(x - 2) - 4(2y - 1) + 2=0

3x - 6 - 8y + 4 + 2 = 0

3x - 8y = 0

3x = 8y

3x/y = 8

x / y = 8 / 3

Hope this Helps! Have an Awesome Day!! (-:

8 0

3 years ago

Read 2 more answers

Using 50 boxes of nails a carpenter was able to finish 450 bird houses. Write an equation that can be used to express the relati

arsen [322]

Answer:

450 = 50x

Step-by-step explanation:

50x = 450

x = 450 / 50

x = 9

8 0

3 years ago

Which pair of variables would most likely have a negative association?

Svetlanka [38]

Answer:

C the temperature and the number of votes a candidate for the school president receives.

8 0

3 years ago

A class must have fewer than 18 students due to the number of desks that can be placed in the classroom. Write an inequality tha

forsale [732]

Answer:

n < 18
n ≥ 15

Step-by-step explanation:

The wording "fewer than" is translated to the math symbol "less than". The variable n represents the number of students.

<em>the number of students</em> is fewer than 18

translates to ...

n < 18

The wording "at least" translates to the math symbol "greater than or equal to."

<em>the number of students</em> is at least 15

translates to ...

n ≥ 15

8 0

3 years ago

47. A car travels at a constant speed of 50 miles per hour.

SIZIF [17.4K]

Answer:

The inverse of the given function is $t(d)=\frac{d}{50}$ . The time taken to travel 180 miles is 3.6 hours.

Step-by-step explanation:

It is given that a car travels at a constant speed of 50 miles per hour. A function for distance traveled is also given as d(t)=50t.

It is required to find the inverse of the function by expressing the time travel in terms of distance traveled and also find t(180).

To find the inverse, express time traveled in terms of distance traveled using normal algebraic methods and then substitute 180 for t and explain its results.

Step 1 of 2

The given function is d(t)=50t.

Consider d(t) as d and t as t(d) and rewrite the equation.

The rewritten function is d=50 t(d)

Divide by 50 on both sides of the equation.

$\begin{aligned}&d=50 t(d) \\&\frac{d}{50}=\frac{50 t(d)}{50} \\&t(d)=\frac{d}{50}\end{aligned}$

Step 2 of 2

Substitute 180 for $t$ in the simplified expression and interpret the results.

$\begin{aligned}&t(d)=\frac{d}{50} \\&t(d)=\frac{180}{50} \\&t(d)=3.6\end{aligned}$

The time taken to travel 180 miles is 3.6 hours.

3 0

2 years ago