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4 years ago

Mark all the integers below. 9.12 -17 32 -1

1 answer:

4 0

The integers are -17, 32, and -1.

Integers are actually whole numbers that can carry a negative sign (-) before it. Fractions and decimals are not integers.

Hope it helps.

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What is the volume of this container? Plsss HELPPP

Alla [95]

Answer:

480 I think!

Step-by-step explanation:

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3 years ago

$98.45 − $10.63 + $2.82 − $20.26

aleksandr82 [10.1K]

Answer:

70.38

Step-by-step exp7lanation:

$98.45 − $10.63 + $2.82 − $20.26 = 70.38

4 0

3 years ago

Read 2 more answers

Kendra is considering two different long-distance phone plans. Phone plan A charges a $100 sign-up fee and 3 cents per minute. P

Fed [463]

Answer:

Part 1) The number of minutes in a month must be greater than 50 in order for the plan A to be preferable

Part 2) The number of minutes in a month must be equal to 50 minutes

Step-by-step explanation:

The question is

Part 1) How many minutes would Kendra have to use in a month in order for the plan A to be preferable? Round your answer to the nearest minute

Part 2) Enter the number of minutes where Kendra will pay the same amount for each long distance phone plan

Part 1)

Let

x ---> the number of minutes

we have

Cost Plan A

$3x+100$

Cost Plan B

$5x$

we know that

In order for plan A to be cheaper than plan B, the following inequality must hold true.

cost of plan A < cost of plan B

substitute

$3x+100 < 5x$

solve for x

subtract 3x both sides

$100< 5x-3x\\100$

divide by 2 both sides

$50 < x$

Rewrite

$x> 50\ min$

therefore

The number of minutes in a month must be greater than 50 in order for the plan A to be preferable

Part 2)

Let

x ---> the number of minutes

we have

Cost Plan A

$3x+100$

Cost Plan B

$5x$

we know that

In order for plan A cost the same than plan B, the following equation must hold true.

cost of plan A = cost of plan B

substitute

$3x+100= 5x$

solve for x

$5x-3x=100\\2x=100\\x=50\ min$

therefore

The number of minutes in a month must be equal to 50 minutes

5 0

3 years ago

1. Delia brushes her teeth 1/6 hour each day.

Roman55 [17]

Answer:

PART A: 28 hours, PART B: 16800 minutes

Step-by-step explanation:

Delia Brushes her teeth = 1/6 hour

PART A

Total Week= 1 week

Total number of days in a week= 7 days

Total number of hours in a day= 24 hours

Total number of hours in a week= 24× 7 hours

Total number of hours in a week= 168 hours

Number of hours that Delia brushes her teeth = $\frac{1}{6}$ × 168 hours

Number of hours that Delia brushes her teeth = 28 hours

Hence, the correct answer is 28 hours

PART B

Total number of days in a week= 7 days

Total number of hours in a week= 168 hours

Total number of minutes in a week= 168 × 60

Total number of hours in a week= 100800 Minutes

Number of minutes that Delia brushes her teeth = $\frac{1}{6}$ × 100800

Number of hours that Delia brushes her teeth = 16800 minutes

Hence, the correct answer is 16800 minutes

4 0

3 years ago

An investment of $8200 loses value at a rate of 2% per year; 7 years. (growth and decrease.)

labwork [276]

Answer:

$7118.629372623104

Step-by-step explanation:

$8200 × 0.98 ^7 {{{ 7 years

takes away 2%

8 0

4 years ago