All categories

2 years ago

SOMEONE HELP ME PLEASE

Mathematics

2 answers:

nydimaria [60]2 years ago

5 0

Answer:

$\frac{11}{2}$

Step-by-step explanation:

$\frac{x}{AB}$ =cos60

x= $\frac{AB}{2}$ = $\frac{11}{2}$

in a right angled triangle cosA= $\frac{adjacent}{hypotenuse}$

so cosB= $\frac{x}{11}$

$\frac{1}{2}$ = $\frac{x}{11}$

x= $\frac{11}{2}$

LekaFEV [45]2 years ago

3 0

Answer:

5.5 units

Step-by-step explanation:

x is the smallest side because it is opposite of 30° angle.

<u>The side opposite to 30° is half the hypotenuse:</u>

BC = AB/2
x = 11/2
x = 5.5

You might be interested in

John needs to wrap the edge of his rectangular desk with duct tape. He knows the width is 10/8 of a meter and the length is 3/8

Zielflug [23.3K]

Answer: 1 and 5/8

Step-by-step explanation:

7 0

3 years ago

Ken's landscape gardening business makes odd shapes lawns the include semicircles. Find the length of the edging material needed

mihalych1998 [28]

Answer:

$L_s=7.85\ m$

Step-by-step explanation:

<u>Length Of Semicircles </u>

The length of a circle or radius r is

$L=2\pi r$

A semicircle has half this length:

$L_s=\pi r$

The radius of the flowerbed is 2.5 m, thus the length of the edging material needed to border the lawn design is

$L_s=\pi (2.5)=(3.14)(2.5)=7.85\ m$

$\boxed{L_s=7.85\ m}$

4 0

3 years ago

SUMMARY: how can you use mapping rules to find rotations of objects at 90, 180, and 270 degrees?

Levart [38]

A rotation is an isometric transformation that turns every point of a figure through a specified angle and direction about a fixed point.

To describe a rotation, you need three things:

Direction (clockwise CW or counterclockwise CCW)

Angle in degrees

Center point of rotation (turn about what point?)

The most common rotations are 180° or 90° turns, and occasionally, 270° turns, about the origin, and affect each point of a figure as follows:

Mark me as brainliest! :D Hope it helps

6 0

3 years ago

Rita's family is moving to Grand Junction to Dallas. The moving van averages 60 miles each hour. About how many hours does the v

Eddi Din [679]

Answer:

16 hours and 20 minutes.

Step-by-step explanation:

Please consider the complete question.

Rita's family is moving to Grand Junction to Dallas, which is 980 miles. The moving van averages 60 miles each hour. About how many hours does the van take to reach Dallas?

To find the time taken by van to reach Dallas, we will divide total distance by speed.

$\text{Time}=\frac{\text{Distance}}{\text{Speed}}$

$\text{Time taken to reach Dallas}=\frac{980\text{ Miles}}{60\frac{\text{ Miles}}{\text{Hour}}}$

$\text{Time taken to reach Dallas}=\frac{980\text{ Miles}}{60}\times \frac{\text{ Hour}}{\text{Miles}}$

$\text{Time taken to reach Dallas}=\frac{98}{6}\text{ Hour}$

$\text{Time taken to reach Dallas}=16.3333\text{ Hour}$

Let us convert 0.3333 hours into minutes by multiplying 0.3333 by 60.

$0.3333\times 60=19.998\approx 20$

Therefore, it will take 16 hours and 20 minutes for the van to reach Dallas.

5 0

3 years ago

The graph shows the number of boys and girls who

choli [55]

Answer:

The answer is A

Step-by-step explanation:

Hope this helps

5 0

3 years ago