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2 years ago

I need help with math

Mathematics

2 answers:

Dmitrij [34]2 years ago

8 0

Answer:

x = 32cos(18) = 30.434

Step-by-step explanation:

Use the cosine function (adjacent / hypotenuse)

cos(18) = $\frac{x}{32}$

x = 32cos(18) = 30.434

*make sure your calculator is in degrees mode

fomenos2 years ago

5 0

Answer:

32(cos(18))=x

Step-by-step explanation:

cos(18)=x/32

32(cos(18))=x

Type in calculator for decimal answer.

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A woman is standing at the edge of a slow-moving river which is one mile wide, and she wishes to return to her campground on the

vesna_86 [32]

Answer:

the best option would be to swim

Step-by-step explanation:

Hello! To solve this problem we must follow the following steps.

1. remember the concept of uniform motion with constant speed, which establishes the following equation

$t=\frac{X}{V}$

where

t=time

x=distance

V=speed

2. Calculate the time it takes to swim and calculate the time it takes to walk

walking:

x=10mile

v=5milles/h

$t=\frac{10}{5} =2h$

swimming

x=1mile

v=3milles/h

$t=\frac{1}{3} =0.3h$

3. Compare both results and choose the one with the least time.

as you can see it takes less time swimming, so this would be the best way

7 0

3 years ago

Multiple choice plz plz help! And explain :) thank u!

kolbaska11 [484]

It all the way across a circle so

7.3+7.3=14.6 so that your answer

6 0

3 years ago

An exponential growth function has an asymptote of y = –3. Which might have occurred in the original function to permit the rang

Blababa [14]

The right choice is: A whole number constant could have been subtracted from the exponential expression.

Let be an exponential function of the form $y = A\cdot e^{B\cdot x}$ , where $A$ and $B$ are real numbers. A horizontal asymptote exists when $e^{B\cdot x} \to 0$ , which occurs for $B\cdot x \to - \infty$ .

For this function, the horizontal asymptote is represented by $y = 0$ and to change the value of the asymptote we must add the parent function by another real number ( $C$ ), that is to say:

$y = A\cdot e^{B\cdot x} + C$ (1)

In this case, we must use $C = -3$ to obtain an horizontal asymptote of -3. Thus, the right choice is: A whole number constant could have been subtracted from the exponential expression.