MATHEMATICS HIGH SCHOOL

What number is 30% of 68?

Answers

Answer 1

Answer: 30%of 68 = 30/100*68= 3*68/10=204/10=20.4

Answer 2

Answer:

Answer:

Step-by-step explanation:

How many problems of each point value are on the test?

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The number of T-shirts a basketball team orders depends on the number of players on the team. **Remember: THE OUTPUT depends on THE INPUT

Answers

The total of T-shirts is proportional to the total of players, which means 15 players = 15 t-shirts.

What is a proportion?

A proportion describes the number of elements from one category compared to the number of elements in another. For example, if there are 15 boys and 15 girls in a classroom the number of girls and boys is proportional.

How are the number of t-shirts and players related?

These have a proportional relationship because for every player it is expected there is a determined t-shirts number and this number can only increase if the players increase.

1 t-shirt per player:

36 players = 36 t-shirts

2 t-shirts per player:

36 players = 72 t-shirts

Learn more about proportions in brainly.com/question/2534088

Is it possible to express every decimal as a fraction (without rounding)? Why or why not?

Answers

Yes, you would just have to change the denominator. For example, .2 would be 2/10 and .201 would be 201/1000. A good rule of thumb is to use place value.

. ____2____ _____0_____ ______1_____
tenths hundredths thousandths

Since the last place value is thousandths my denominator is going to be in the thousands.

If the decimal ends, then always yes.
When you read the decimal, you call it some number of
tenths, or hundredths, or thousandths, or millionths etc.,
and what you call it when you read it consists of the same
words you use when it's written as a fraction.

If the decimal never ends but just keeps going on forever,
then ...
--- if the same group of digits repeats over and over, (as they do in the
decimal form of 1/3, 1/7, and 1/9), then the decimal can be expressed
as a fraction, even though the decimal never ends.
-- if a group of digits doesn't repeat, (as in 'pi' or 'e' for example), then
the decimal is an irrational number The definition of an irrational number
is one that can't be expressed as a fraction.

Consider the following two circles. Circle P with center (-1, 2) and radius 3 and circle Q with center (3, 4) radius 5. What sequence of transformations will carry circle P onto circle Q? Select all that apply.A. Dilation centered at Q, followed by reflection across the y-axis
B. Dilation centered at P, followed by reflection across the y-axis and then the line y = -x + 5
C. Translation (x,y) -> (x+4, y+2), followed by dilation centered at Q
D. Dilation (x+y) -> (3/5x, 3/5y), followed by dilation centered at P
E. Reflection over x-axis followed by rotation of 270 degrees

Answers

Answer:

B. Dilation centered at P, followed by reflection across the y-axis and then the line y = -x + 5

Step-by-step explanation:

Circle P.

Centerat (-1, 2).

Radius of 3.

Circle Q.

Center at (3, 4).

Radius of 5.

To carry one circle onto the other, their centers and radius must be the same.

So, circle P must be shifted from (-1, 2) to (3, 4), that means the translation is 4 units to the right side and two units upside, this is the first transformation.

The second transformation must be about stretching the circle P, from a radius of 3 to a radius of 5.

Therefore, the right answer is B.

Answer: Option b and Option c

The average annual salary of the employees of a company in the year 2005 was $70,000. It increased by the same factor each year and in 2006, the average annual salary was $82,000. Let f(x) represent the average annual salary, in thousand dollars, after x years since 2005. Which of the following best represents the relationship between x and f(x)?

Answers

f(x) = 70(1.17)^x Hope this helps! :)

PLEASE HELP ASAP!!! i’ll mark brainlessly

Answers

1.5 km per hour

ngl i could be wrong :/

Hickory Cell Phones offers a plan that charges a monthly flat fee of $40 plus $0.10 per text message. Catawba Phone Company does not have a monthly fee but charges $0.25 per text message. What is the least number of text messages that can be sent in order for Hickory Cell Phone company to have the better buy and how much money do you save? Show your work and explain your answer.