MATHEMATICS HIGH SCHOOL

If David bought 12 pencils for $3.00. How much did 1 pencil cost?

Answers

Answer 1
Answer:

Step-by-step explanation:

get the cost of 12 pencil and divide by those 12 pencils to get the cost of 1 pencil

Answer 2
Answer: Answer:
$.65

We divide $3.00 by 12 which gets us $.65.

Hope you understand!

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Marcia performs an experiment in which she pulls a marble from a bag. In herexperiment, she finds that she is twice as likely to pull a red marble as a bluemarble. If Marcia pulls 10 red marbles, how many blue marbles does she pull?
Pretty stuck on this paper,someone help out? an explanation would be appreciated as well!
I need help on this question
The radius of a cylindrical tank is 5.5ft and the height is 12ft. What is the volume of the tank? Use the value 3.14 for π, and round your answer to the nearest whole number.Be sure to include the correct unit in your answer.

Hi is this true or false? Help?

Answers

Answer:

False .

Step-by-step explanation:

Simplify the expression by using a double-angle formula or a half-angle formula. 7cos^2(theta/9)-7sin^2(theta/9)
sin(theta/6)cos(theta/6)

Answers

Double-angle formulas:
2sinФcosФ=sin(2Ф) /:2
sinФcosФ=1/2*sin(2Ф)

sin(Ф/6)cos(Ф/6)=1/2*sin(2*Ф/6)=1/2*sin(Ф/3)

cos²Ф-sin²Ф=cos(2Ф)/*7
7cos²Ф-7sin²Ф=7cos(2Ф)

7cos²(Ф/9)-7sin²(Ф/9)=7cos(2*Ф/9)=7cos(2Ф/9)

A group of 5 friends go to a baseball game. Each person buys a ticket for the game and 2 hotdogs. Let t represent the cost of ticket and h represent the cost of a hotdog.

Answers

The expression that represents the total cost of the baseball game will be 5t + 2h.

What is a linear equation?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

An expression or formula is a finite collection of signs and is well thus according to context-dependent norms.

A gathering of 5 companions goes to a ball game. Every individual purchases a ticket for the game and 2 hotdogs. Allow t to address the expense of a ticket and h to address the expense of hotdogs.

Then the expression of the total cost is given as,

⇒ 5t + 2h

The expression that represents the total cost of the baseball game will be 5t + 2h.

More about the linear equation link is given below.

brainly.com/question/11897796

#SPJ5
5 people that mean 5t and 2 hot dogs for each person that mean 10h

Please HELP me with these and explain. i did these but i wanna make sure they are right.

Answers

6.739 = 6.7 to the tenth place
52.192 = 52.2 to the tenth place
0.61 = 1 to the unit(ones) place
348.508 = 348.51 to the hundredth place
17)6.700
18)52.200
19)1.00
20)348.510

(7x^2 - x - 2) - ( -6x^3 + 3) A. 6x^3 + 7x^2 - x - 5
B. -6x^3 + 7x^2 - x + 1
C. -x^3 - x - 5
D. x^2 - x + 1

Answers

7x^2 + -x + -2 + 6x^2 + - 3

6x^3 + 7x^2 – x – 5

Your answer is A: 6x^3 + 7x^2 – x – 5

This problem is kinda hard can you help me

Answers

Answer:

B - 5

Step-by-step explanation:

K: 60

M: 60 x 25%; 60 x .25 = 75

K: 1500/60 = 25

M: 1500/75 = 20

25-20=5

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A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
Point of intersection of the two axes