Miles is planning to spend 2/3 as many hrs bicycling this week as he did last week. Is Miles going to spend more hrs or fewer hrs bicycling this week than last week? ( I'm working on comparing fraction factors and products- multiplying fractions)

Answers

Answer 1

Answer: He would be spending less time because 2/3 is not a full number. Let's make an equation out of the: 2/3(m). Note: 3(2) means 3 times 2 and the m is the amount of miles biked last week. We could insert the number 3 to our equation. 2/3(3). Now if you do it the proper way, it is 2/3(3/1) and if you do the math it is 6/3 aka 2. And 2 is less than 3. So it is less time spent

Answer 2

Answer: miles is going to spend less hours this week

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a ski resort has 3 chair lifts each access to 6 ski trails. explain how you can find the number of possible outcomes when choosing a chair lift and a ski trail without making a list

Answers

Answer: Hello there!

in this problem, we have two things to choose, the chair lift and the ski trail, with 3 options for the chair lifts, and 6 options for the ski trails.

The total number of combinations is obtained by multiplying the number of options for each one of the things that we have to choose; in this case, it is 6*3 = 18 total combinations.

Multiply 3 times 6 and then you get 18 all of the possible outcomes

4^2 + 5 • 3^2 – 4^2 ÷ 2^3

Answers

Following the order of operations:
4^2 + 5 * 3^2 – 4^2 / 2^3
16 + 5 * 3^2 – 4^2 / 2^3
16 + 5 * 9 – 4^2 / 2^3
16 + 5 * 9 – 16 / 2^3
16 + 5 * 9 – 16 / 8
16 + 45 – 16 / 8
16 + 45 – 2
61 – 2
59

The answer is 59

Remember BEDMAS
Brackets, Exponents, Division or Multiplication ( left to right), Addition or subtraction ( left to right)
And the dot between 5 and 3^2 means multiply.
4^2 + 5 · 3^2 - 4^2 ÷ 2^ 3

4×4 + 5 · 3×3 - 4×4 ÷ 2×2×2
16 + 5 · 9 - 16 ÷ 4×2
16 + 45 - 16 ÷ 8
16 + 45 - 2
61 - 2
59

Given B is the midpoint of AC, what is AC ?

A. 54
B. 27
C. 6
D. 18

Answers

A. 54

The fact that B is the midpoint means that AB = BC so you can set up the equation of
4x+3 = 3x+9

Then solve for x by subtracting 3 from the left and 3x from the right to get

X=6

Finally, plug that back in to your line and solve for the total value

4(6) + 3 + 3(6) +9 = 54

A construction worker bought several bottles of juice for $3 at the convenience store. She paid for them with a $20 bill.If "J" represents the number of bottles of juice,write an expression for the change she should receive. Solve.Show each step.

Answers

Each bottle of juice costs $3, so to find the total price of the bottles, you would have to multiply the number of bottles by $3, or:
3×J

Since she paid for them with a $20 bill, you need to subtract the total price of the bottles (shown above) from 20. Let's say "y" is the amount of change she receives:
y=20-(3×J)

Keith spent 1/5 of this money on a story book. He gave $26.80 to his brother and had 1/2 of his money left. How much money did he have left?

Answers

Not really sure of this one but i think it's like this-
2/10 (money for story) + 3/10 (26.80 dollars to brother)= 1/2 of his money
3/10x=26.80 268=3x ; x= 89.33333....
89.33 X 5/10= answer
money left= (roughly) 44.67

1/5 = 2/10
1/2 = 5/10

2/10 of his money on a story book.
Storybook is the variable x

$26.80 to his brother (5/10 of his money left)

5/10-2/10 = 3/10

$26.80x3/10= 8.04

He had $8.04 left.

Help on problems 3 and 4 please

Answers

Answer:

4- The second elevator

Step-by-step explanation:

The first elevator finishes on the fourth floor because it starts on the sixth goes up 14 which is 20 and goes down ten which is ten. The second elevator starts on the 20 floor and goes down 15 floors but then goes back up 12 which is 17.

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