MATHEMATICS HIGH SCHOOL

All of the following expressions are equivalent except _____.A.2 - x
B.x - 2
C.-2 + x
D.x + (-2)

Answers

Answer 1
Answer: A. All of the rest are x minus two, while that one is two minus x
Answer 2
Answer:

Answer:


Step-by-step explanation:

All of the rest are x minus two, while that one is two minus x

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Type the correct answer in the box. Round your answer to the nearest whole number.If the current trend of registration continues, there will be approximately [ ]participants registered 10 days after registration opens.

This above is part B. I need help with filling in the blank. Will give 15 points for help. Please help it's for plato. And I'm add an attachment for Part A and the work I have for part A.

Answers

Answer:

Part A y = 15(1 + 0.4)^x.

Part B  434 after 10 days.

Step-by-step explanation:

Part A.

21 = 15 ( 1 + r)^1

15 + 15r = 21

15r = 6

r = 6/15 = 0.4

So the equation is

y = 15(1 + 0.4)^x.

Part B.

So after 10 days  x = 10

y = 15(1 + 0.4)^10

y = 434 to the nearest whole number.

Answer:

y = 434 to the nearest whole number.

Step-by-step explanation:

Two dice are tossed together. What is the probability of getting an odd number on the second die and a total of five?1/18

11/18

7/18

4/9

Answers


Probability = (number of ways to succeed) / (total possible outcomes) .

The total possible results of rolling two dice is

   (6 on the first cube) x (6 on the second one) = 36 possibilities.

How many are successful ?  I need you to clarify something first.
You said that the 'second die' shows an odd number.  When a pair
of dice is rolled, the problem usually doesn't distinguish between them. 
And in fact, you said that they're "tossed together" (like a spinach and
arugula salad ?) so I would understand that they would lose their identity
unless they were, say, painted different colors, and we wouldn't know
which one is the second one.

Oh well, I'll just work it both ways:

First way: 
Two identical dice are tossed.
The total is 5 and ONE cube shows an odd number.

How can that happen ?

1 ... 4
4 ... 1
3 ... 2
2 ... 3         

Four possibilities.  Probability = 4/36 = 1/9 = 11.1% .

=======================================

Second way: 
A black and a white cube are tossed together.
The total is 5 and the white cube shows an odd number.

How can that happen:

B ... W
4 .... 1
2 .... 3

Only two possibilities.  Probability = 2/36 = 1/18 = 5.6% .

Which of the following is an example of a proper fraction? A. 4 /3 B. 4 /4 C. 3 /4 D. 7 /6

Answers

The proper fraction is c. 3/4. A proper fraction is a fraction that is less than one. A fraction is less than one if its denominator, the number below the line, is larger than its numerator, the number above the line. 4/3 and 7/6 are both greater than one and 4/4 is equal to one, thus none of them are proper fractions.t

3/4 is the correct answer


Step-by-step explanation:

Can someone help me with this one question?

Answers

Answer:

no...

Step-by-step explanation:

Luke is keeping track of the total number of hours he exercises. He started the summer having already put in 15 hours, and he then exercises 7 hours each week. The function to keep track of his exercise is f(x) = 7x + 15. What do the f(x) and x represent in Luke's situation? (2 points)A) f(x) represents the total number of hours; x represents the number of weeks he exercises this summer
B) f(x) represents the total number of weeks that he has exercised; x represents the number of hours
C) f(x) represents the number of hours he exercises per day; x represents the number of weeks
D) f(x) represents the total number of hours that Luke has exercised; x represents the number of weeks he exercises per day

Answers

If you would like to know what do the f(x) and x represent in Luke's situation, you can find this using the following step:

f(x) = 7x + 15
7 hours each week
x ... the number of weeks
f(x) ... the total number of hours Luke exercises

The correct result would be A) f(x) represents the total number of hours; x represents the number of weeks he exercises this summer.

f(x) represents the total number of hours; x represents the number of weeks he exercises this summer.

_______ health insurance coverage pays for at least part of hospital costs and fees.

Answers


Basic health insurance covers the pays.
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