MATHEMATICS HIGH SCHOOL

Help me pleaseee please
Help me pleaseee please - 1

Answers

Answer 1
Answer:

Answer:

1) c/d = pi

Step-by-step explanation:

since c= pi x d

divide both sides by d

c/d = pi

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On a trip, the fare was 50¢ for each adult and 25¢ for each child. If 30 passengers paid $12.25, how many adults and children went? Which of the following equations could not be used to solve the problem? A. 50x + 25(30 - x) = 1225 B. 50(30 - x) + 25x = 1225 C. 25x + 50x = 30(1225)

Parallel and Perpendicular Linesdetermine value of x for which a || b if m3=10x and m5=12x-25

Answers

Hey there 

5 = 12 x - 25 

SO  25^12x-5+2-53-0 both side 

so it would be 2.5

Answer:

the answer is 2.5

Step-by-step explanation:

god bless have a nice day

Eric sells shirts. It costs him $100 to buy all the shirts and $10, total, to print designs on them. Eric sells each shirt for $4. So far he has sold 20 shirts. He uses the equation y = 4x - 110 to calculate his profit. What is the constant in Eric’s equation?
A) 4
B) -10
C) 20
D) -110

Answers

C) 20 is the constant. He can plug in the 20 into the value of x (shirts sold) to solve for y (profit).

PLEASE HELP!! OFFERING 39 POINTSGraph each linear equality
1. y<3/2x-1
2. -3y≥-2x+6
3. x>-1

Answers

I hope you understand it. Also pay attention to if the line is dotted or not because they do matter.

A man's regular pay is $3 per hour up to 40 hours. Overtime is twice the payment for regular time If he was paid $168, how many hours overtime did he work?

Answers

Answer:

He worked 8 hours overtime.

Step-by-step explanation:

A man was paid per hour up to 40 hours = $3.00

He was paid for 40 hours = 40 × 3 = $120

He did overtime, for which he was paid twice of the regular payment = 2(3)

= $6.00

He was paid for his overtime = 168 - 120 = $48.00

His overtime payment per hour = $6.00

He did overtime = 48 ÷ 6 = 8 hours

He worked 8 hours overtime.
He worked 8 more hours overtime. Good luck with the rest of your homework..

Rylan is testing 2 different types of nail polish on her fingernails to determine which one lasts longer. she purchases Brand A and Brand B from the drug store. She then paints her nails with Brand A and her sister's nails with Brandb. She compares the nails polish at the end of the week and determines that Brand B last longer because there fewer chips than Brand
a. Why is her conclusion not valid?

Answers

If you want to compare the quality of something, you should make sure that all the conditions were similar. This means that if you want to compare the quality of nail polish, you should expose both kinds of nail polish to the same tests. However, here we don't know whether Rylan and her sister did the same things this week: for example if one of them washed more dishes, her nail polish would have a "harder" test - the test did not make sure that both products experienced the same conditions!

Answer:

She painted her sister's nails with Brand B, not her own nails.

Step-by-step explanation:

All parts to an experiment must be the same except one thing. She is testing different nail polishes so that's what needs to be different. By painting her hand with one nail polish and her sister's with the other, she is changing a second variable in the experiment making it invalid.

The Measure of AXB is 234. what is the measure of ABC in tangent chord angle

Answers

The measure of angle ABC tangent chord angle is 117°.

What is Tangent of a Circle?

Tangent of a circle is defined as the line that passes through exactly one point on the circle.

Chord is the line segment that has it's two end points on the circle.

A chord AB is drawn.

AXB is one of the arc which measures 234°.

We have to find the angle that a tangent through B makes with chord AB.

This measure will be half of the arc measure.

Angle ABC = 234° / 2 = 117°

Hence the measure of the angle ABC is 117°.

Learn more about Tangent Chord Angles here :

brainly.com/question/29132881

#SPJ2
The answer is 117° Come add me as a friend!!!!!!!!!!!!!!!
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