Students are playing a game. In the game, students collect and trade building materials. Materials of equal value used for trading are shown in the table. Materials of Equal Value for Trading 1 stone = 4 logs 1 brick = 10 logs 2 logs = 150 nails Part A: How many stones are needed to trade for 10 bricks?

Answers

Answer 1

Answer:

Answer:25

Step-by-step explanation:

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The addition property of equality lets you say that if 2x-5=10 then 2x =____1557.520
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Walter is 43 years old his daughter Paulette is 7. In how many years will Paulette be one-third of Walters age

Answers

The answer is 14 when rounded to the nearest whole number, to get this you simply must divide 43 by 3 which equals to 14.333.

Choose a number between 61 and 107 that is a multiple of 4,5, and 10

Answers

$4*5=20-is\ a\ multiple\ of\ 10\n\n20*4=\boxed{80}\n\n20*5=\boxed{100}$

$4|2 \n 2|2 \n 1 \n 4=2^2\n \n 5|5 \n 1 \n \n 10|2 \n 5 \ |5 \n 1 \n \n 10=2*5 \n \n \ [ 4;5;10 \ ]=2^2*5=4*5=20 \n \n 61 < M _(20) < 107 \n \n\boxed{ M_(20)= \{ 80;100 \}}$

Find the product mentally. (ab + 3)2

Answers

(ab+3)(2) =(ab+3)(2) =(ab)(2)+(3)(2) =2ab+6

Answer:

a^2b^2 + 6ab + 9

It costs $3.56 to buy a pack of pencils. Which of the following equations shows the amount of money needed, x, to buy k packs of pencils?x = 3.56k
k = 3.56x
x = 3.56 + k
k = 3.56 + x

Answers

The total price would be $3.56 times however many you bought, so the correct equation would be x = 3.56k.

Answer:

It would be A.

Step-by-step explanation:

x = 3.56k

Henry divides 1.060 g by 1.0 mL to find the density of his water sample. How many significant figures should he include in the density value that he reports?

Answers

2 Significant figures should be include in the density value that Henry reports.

What is Significant figure?

" Significant figure are those digit of number which are important in terms of accuracy. They are single digit number from 0 to 9, which express the message of accuracy."

According to question,

Henry divides 1.060g by 1.0mL

1.060 has 4 significant figure

1.0 has 2 significant figure

As per division rule of significant figure

When we divide two more numbers, count the significant figure of the given number. Least is the significant figure of the concluded one.

Here 2 is the lowest among two.

Hence, we conclude that 2 Significant figures should be include in the density value that Henry reports.

Learn more about significant figures here

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1.060 g has 4 sig figs
1.0 mL has 2 sig figs

When dividing use the smaller amount of significant figures, so the density should be to 2 sig figs

Nora is running a race that is 26.2 miles. She is running at a speed of 18 miles per hour. She has completed 3/4 of the race. How much longer will it take Nora to finish the race?

Answers

Answer:

The answer to your question is 6.55 mi

Step-by-step explanation:

Data

Length of the race = 26.2 mi

speed = 18 mi/h

3/4 of the race have been ran

Process

1.- Calculate 3/4 of 26.2

26.2(3/4) = 78.6/4

= 19.65 mi

2.- Calculate the distance she needs to run to finish the race

= 26.2 - 19.65

= 6.55 mi

3.- Conclusion

She needs to run 6.55 mi to finish the race.

Final answer:

Nora will take approximately 21.85 minutes to finish the race.

Explanation:

To find out how much longer it will take Nora to finish the race, we need to first calculate the distance she has already completed. Since she has completed 3/4 of the race, we can calculate it by multiplying the total distance of the race (26.2 miles) by 3/4.

Distance completed = 26.2 miles * 3/4 = 19.65 miles

Next, we need to calculate how much distance Nora has left to cover. Since the total distance of the race is 26.2 miles and she has completed 19.65 miles, the distance left is:

Distance left = 26.2 miles - 19.65 miles = 6.55 miles

Finally, we can calculate the time it will take Nora to finish the race by dividing the remaining distance by her speed:

Time to finish = Distance left / Speed = 6.55 miles / 18 miles per hour = 0.364 hours (or approximately 21.85 minutes)

Therefore, it will take Nora approximately 21.85 minutes to finish the race.

Learn more about Calculating time to finish a race here:

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