The temperature was 68°F. Later that day the temperature was 82°F. How much does the temperature need to rise or fall to return to the original temperature of 68°F?

Answers

Answer 1

Answer: The temperature needs to fall 14 dregrees Fahrenheit to get to the original temperature 68 degrees Fahrenheit.

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When cooked, 85% of the kernels in a bag of microwave popcorn popped. There were 120 kernels of popcorn in the bag.How many kernels popped?

Answers

the amount of kernels popped is 102

102 kernels were popped

Place the following fractions
on the number line.

-2/3 20/11. 3/10. -5/3

Answers

The fraction numbers that are placed on the number line in decimal form are given below.

What is a number line?

A number line refers to a straight line in mathematics that has numbers arranged at regular intervals or portions along its width. A number line is often shown horizontally and can be postponed in any direction.

The fraction numbers are given below.

-2/3, 20/11, 3/10, and -5/3

Convert the fraction number into a decimal number. Then we have

-2/3, 20/11, 3/10, and -5/3

-0.33, 1.18, 0.30, and - 1.67

The fraction numbers that are placed on the number line in decimal form are given below.

More about the number line link is given below.

brainly.com/question/13189025

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Answer and explanation:

$-(2)/(3) = -0.67$ (red line)

$(20)/(11) = 1.81$ (purple line)

$(3)/(10) = 0.30$ (blue line)

$-(5)/(3) = -1.67$ (black line)

A 12-ft. ladder is leaning against a wall and makes a 77 angle with the ground. How high does the ladder reach up the wall?

Answers

Problem explained in image i attached below

Answer:

The answer is 11.69 feet Hope this helps

Only odd and I need explainations to

Answers

2 1/6+ 4 1/3=6 1/2 because you find the LCD and thats 6, then you get 2 1/6 + 4 2/6 which results to 6 3/6 and simplified it would be 6 1/2
Do the same thing with the rest and boom you got it

Help!! A cylindrical water tank is being filled with a hose. The depth of the water increases by 1 1/4 ft per hour. How many hours will it take for the water level in the tank to be 3 1/2 ft deep? Enter your answer as a mixed number

Answers

Depth: 7/2 feet
Rate: 5/4 feet per hour

Time = depth / rate of filling
Time = 7/2 / 5/4
Time = 14/5
Time = 2 4/5 hours

Rate : 1 1/4 ft per hour = 5/4 ft per hour
Depth : 3 1/2 = 7/2 ft
7/2 : 5/4 = 7/2 * 4/5 = 28/10 = 14/5 = 2 4/5
Answer:
2 4/5 hours.

What was the original price if: after 10% discount it becomes $450?

Answers

Answer: Original Price=$450

Step-by-step explanation:

Price post discount=$450

Discount=10%

Let the original price be x

Given x - 10% of x=450

$x-(10)/(100)* x$

$(100x-10x)/(100)$ =450

$(90x)/(100)$ =450

x= $(100*450)/(90)$

On solving

x=500$

The original price =500$

The original price before the 10% discount was about $500.

What is the original price?

To know the original price before the discount, one can use the following formula:

Original Price = Discounted Price / (1 - Discount Percentage)

So, the discounted price is $450, and the discount percentage is 10%.

To calculate the original price:

Original Price = $450 / (1 - 0.10)

= $450 / 0.90

- $500

Therefore, the original price before the 10% discount was about $500.