What is estimate 4.23-2.51

Answers

Answer 1

Answer: the answer is 1.72 and it would be 2 if u estimated

Answer 2

Answer: I just subtract 4.23-2.51 then I got the answer
the answer is 1.72

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a bike rider is traveling at a speed of 15 feet per second write an expression for the distance the rider has traveled after s seconds make a tabel that records the distance for 3.0,5.8,11.1,and 14.0 seconds

Answers

distance = speed x time

distance time
45 ft 3.0 s
87 ft 5.8 s
166.5 ft 11.1 s
210 ft 14.0 s

Final answer:

The expression for the distance traveled by the bike rider can be found using the formula Distance = Speed × Time. The table shows the distances traveled for different values of s.

Explanation:

To find the expression for the distance traveled by the bike rider after s seconds, we use the formula: Distance = Speed × Time. In this case, the speed of the rider is 15 feet per second. So the expression for the distance traveled after s seconds would be: Distance = 15s feet.

To create a table that records the distance for different values of s, we substitute the given values of s into the expression to find the corresponding distance. Here is the table:

After 3.0 seconds, the distance traveled is 15 × 3.0 = 45 feet.
After 5.8 seconds, the distance traveled is 15 × 5.8 = 87 feet.
After 11.1 seconds, the distance traveled is 15 × 11.1 = 166.5 feet.
After 14.0 seconds, the distance traveled is 15 × 14.0 = 210 feet.

Learn more about Distance Travelled here:

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An element with mass 1000 grams decays by 14.8% per minute. How much of the element is remaining after 11 minutes, to the nearest 10th of a gram?

Answers

$100\%-14.8\%=85.2\%=0.852\n\n1000g\ *\ 0.852^(11)\approx171.7g\leftarrow answer$

A car travels 162 miles in 3 hours. How far does the car travel in one hour?

Answers

Answer:

54 miles in one hour.

Step-by-step explanation:

A car travels in 3 hours = 162 miles

We have to calculate the speed of car in one hour.

Therefore, we use the formula of speed = $(miles)/(hour)$

= $(162)/(3)$

= 54 miles/hour

The car travels 54 miles in one hour.

162 ÷ 3 = 54miles in 1 hour

I need to prove in words how I got my answer for, "Find the smallest number easily divisible by each counting number from 1 to 10." The answer is 2520, but I don't know how to explain how I got it. Can anyone give me a basic answer to this?

Answers

Try writing each equation from 1-10 that equal this number. That will prove it. Hope this helps!

Help me please guys

Answers

Answer:

Graph A

Step-by-step explanation:

Since it is not equal to, the line would be dotted. The y-intercept is at 2 and the slope is 3/4. Since y is less than 3/4x+2, the shaded portion would be below so, the correct graph out of all the options would be Graph A.

Hope this helps!!! PLZ MARK BRAINLIEST!!!

Answer:

the answer should be c!!!

Which is bigger, 40% of 180 or ¼ of 320?

Answers

'of' in mathematics means multiplication.

40% of 180 means 40/100 * 180

40/100 * 180
= 0.40 * 180
= 72

1/4 of 320 means 1/4 * 320

1/4 * 320
= 320/4
= 80

40% of 180 is 72
1/4 of 320 is 80

1/4 of 320 is bigger than 40% of 180

You could also say that as:

1/4 of 320 is greater than 40% of 180.

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