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2 years ago

PLEASE HELP ME 20 POINTS + BRAINLIEST

Mathematics

2 answers:

Simora [160]2 years ago

6 0

Answer:

Step-by-step explanation:

By tracing the figure, we see that we go around a semicricle twice and go in a straight path twice. So the perimeter of this figure consists of two semicircles and two line segments, hence the answer is C.

My name is Ann [436]2 years ago

6 0

Answer:

OPTION C

Step-by-step explanation:

AS BREADTH IS NOT INCLUDED IN IT...

=2L + 2*PI*R

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Triangle X Y Z is shown. Angle X Z Y is a right angle. Angle Z X Y is 60 degrees and angle X Y Z is 30 degrees. The length of hy

vladimir1956 [14]

Answer:

StartFraction StartRoot 3 EndRoot Over 3 EndFraction

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

we know that

In the right triangle XYZ

$cos(Y)=\frac{ZY}{XY}$ ---> adjacent side divided by the hypotenuse

substitute the values

$cos(30\°)=\frac{ZY}{4}$

Remember that

$cos(30\°)=\frac{\sqrt{3}}{2}$

substitute

$\frac{\sqrt{3}}{2}=\frac{ZY}{4}$

$ZY=(4)\frac{\sqrt{3}}{2}$

$ZY=2\sqrt{3}\ units$

step 2

$sin(Y)=\frac{XZ}{XY}$ --> opposite side divided by the hypotenuse

substitute the values

$sin(30\°)=\frac{XZ}{4}$

Remember that

$sin(30\°)=\frac{1}{2}$

$\frac{1}{2}=\frac{XZ}{4}$

$XZ=2\ units$

step 3

$tan(Y)=\frac{XZ}{ZY}$ --> opposite side divided by adjacent side

substitute the values

$tan(Y)=\frac{2}{2\sqrt{3}}$

$tan(Y)=\frac{1}{\sqrt{3}}$

Simplify

$tan(Y)=\frac{\sqrt{3}}{3}$

StartFraction StartRoot 3 EndRoot Over 3 EndFraction

7 0

3 years ago

Read 2 more answers

Franco made a dozen muffins for his party. Upon taking them out of the oven,

Naddik [55]

Answer:

Option B.

Step-by-step explanation:

This question is incomplete; find the complete question with the attachment.

Franco made number of muffins = a dozen

A dozen muffins = 12 muffins

Number of muffins were burned = 2

Remaining muffins = 12 - 2 = 10

Franco served 7 of the remaining non-burned muffins,

Fraction of muffins served = $\frac{7}{10}$

Remaining muffins = 3

Fraction of remaining muffins = $\frac{3}{10}$

Fraction of remaining non-burned muffins we can get from,

$\frac{10}{10}-\frac{7}{10}=\frac{3}{10}$

Option B is the correct equation.

7 0

3 years ago

Help me please ASAP!!

Tcecarenko [31]

Hello there k12 user. - i am in k12 too :)

cough.

use mathpapa look it up it should give your anwser i cant copy and paste it, but its there
just put in the numbers

6 0

3 years ago

Solve the inequality. 42 < –6d

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Divide both sides by -6 and don't forget to flip the inequality symbol
-7>d
d<-7

4 0

3 years ago

Problem 1

Salsk061 [2.6K]

Answer:

a- 3 batches

$1 \frac{1}{2} = 1.5$

c- 0.5 batches

3 0

3 years ago