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3 years ago

7

Find F(-5) if f(x)=6

1 answer:

kirza4 [7]3 years ago

8 0

Answer:

on seconded I will come back and edit my answer

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This is pre calculus please help !Describe three ways to determine the measure of segment YZ.

Dmitry [639]

(1) Using trigonometric ratios:
$sin(30) = \frac{YZ}{50}$
$YZ = 25$

(2) Using Pythagoras' Theorem:
$cos(30) = \frac{XY}{50}$
$50cos(30) = XY$
$50^{2} - 50^{2}cos^{2}(30) = YZ^{2}$
$2500 - 2500cos^{2}(30) = YZ^{2}$
$YZ = 25$

(3) Using sine rule:
$\frac{50}{sin(90)} = \frac{YZ}{sin(30)}$
$50 = \frac{YZ}{sin(30)}$
$50sin(30) = YZ$
$YZ = 25$

7 0

4 years ago

Read 2 more answers

If the length of side a is 12 centimeters, m

Damm [24]

Side B would be about 7.56 if you use trig.

6 0

4 years ago

Read 2 more answers

According to the scatterplot below, which statement is correct?

IRISSAK [1]

Answer:

Only option C is correct, i.e. The input, or independent variable, is years in operation.

Step-by-step explanation:

Given is the scatter plot of Years in Operation vs. Enrollment at Daycare Center.

The input is always independent variable and is plotted along x-axis.

The output is always dependent variable and is plotted along y-axis.

From the graph, it is clearly visible that:-

x-axis: Years in Operation.

y-axis: Enrollment at Daycare Center.

It means <u>"The input, or independent variable, is years in operation."</u>

Hence, only option C is correct, i.e. The input, or independent variable, is years in operation.

7 0

3 years ago

Read 2 more answers

A sphere has a radius of 9 in. An artist creates a replica of the structure that has been scaled up by a factor of 1.5.

vesna_86 [32]

Answer:

Step-by-step explanation:

V=4/3πr³

v = 1.33*3.142*9³

v = 3046.39in³

New scale = 3046.39*1.5

= 4,569.59in³

7 0

4 years ago

Read 2 more answers

On August 20, 1989, in Cologne, West Germany, Said Aouita of Morocco also established a world record when he ran the 3000. m run

zalisa [80]

Answer:

Average speed of Aouita = 6.68 meter per second.

Step-by-step explanation:

To create a world record Aouita ran a distance = 3000 m

He took the time to cover this distance = 7 minutes 29.45 seconds

= (7×60) + 29.45 seconds

= 449.45 seconds

Since, formula for the average speed is given by,

Average speed = $\frac{\text{Total distance covered}}{\text{Total time taken}}$

Therefor, average speed of Aouita = $\frac{3000}{449.45}$

= 6.675

≈ 6.68 meter per second

Average speed of Aouita was 6.68 meter per second.

8 0

3 years ago