Please Help me with #1thanks

Answers

Answer 1

Answer:
Brad needs (30.1 + 37.5 + 14.8 + 10.01 + 15.2) = 107.61 cm of wood.

How many lengths does he need in order to have 107.61 cm of wood ?

(107.61 cm) / (35 cm/length) = 3.075 lengths

3 lengths is not quite enough. But it's only sold in whole lengths of 35 cm.
So in order to cover that last little smidgen, he'll need to buy 4 lengths.

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How to find the correct unit of measurement? I am struggling with this. What is the difference between ft³, ft and ft²? Example: the length of a rectangular play area is 40 ft. The width of the play area is 20 ft. Which is the correct unit of measurement to use when figuring out how much fence is needed to surround the play area?A.ft³B.ftC.ft²

A map has a scale of 1 cm : 9 km. If two cities are 10 cm apart on the map, what is the actual distance between the cities, to the nearest tenth of a kilometer?

Answers

We can solve this problem by the rule of three:
1 cm-----------------9 Km
10 cm---------------- x

x=(10 cm * 9 km) / 1 cm=90.0 Km.

answer: 90.0 Km

A video game is on sale for 30% off the regular price of $50.

Answers

30% is equal to 0.30.
You do:
0.3 * 50= $15
The price is now $15

Add the two expressions. 8k + 4 and 3k + 8

Answers

I believe the answer is 11k+12 it might be wrong..

ya i dont know but this is what i think aswell 11k+12

Emily biked 9 miles in 3/4 hours . Which expression can she use to find her unit rate in miles per hour ?

Answers

Final answer:

Emily's unit rate in miles per hour can be found by using the expression 9 ÷ (3/4) or 9 x (4/3). When calculated, we find that Emily is biking at a rate of 12 miles per hour.

Explanation:

To find Emily's unit rate in miles per hour, we need to divide the total miles she biked by the time it took her in hours. In Emily's case, she biked 9 miles in 3/4 hours. So the expression she can use to find her unit rate in miles per hour is 9 ÷ (3/4). Dividing 9 by 3/4 is the same as multiplying 9 by the reciprocal of 3/4, which is 4/3. So, the expression can also be written as 9 x (4/3). If we calculate that, we get 12. So, Emily biked at a rate of 12 miles per hour.

Learn more about Unit Rate here:

brainly.com/question/22607023

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Answer:

Hello there!

Divide 9 by 3 to get 3.

Then use that to multiply 3 by 4 to get 12.

Step-by-step explanation:

Jeremy bought 3,000 milliliters of orange juice. How many liters of orange juice did he buy?

Answers

He bought 3 liters of orange juice becuase 1,000 milliliters are in a liter so if you have 3,000 milliliters you have 3 liters

There are 1000 millilitres (ml) in 1 litre (l)
So if Jeremy bought 3000 ml that is 3 litres
You just divide the amount of ml by 1000 because there are 1000ml in 1l
So the answer is:
3 LITRES

You can buy 3 sandwiches for 4:$4.95 or 4 sandwiches for $6.72.Which is a better buy?

Answers

If you would like to know which one of the options is better to buy, you can calculate this using the following steps:

3 sandwiches ... $4.95
1 sandwich ... $x = ?
______________________
3 * x = 1 * 4.95 /3
x = 4.95 / 3 = $1.65

4 sandwiches ... $6.72
1 sandwich ... $y = ?
______________________
4 * y = 1 * 6.72 /4
y = 6.72 / 4 = $1.68

Result: You should buy sandwiches from the first option ($1.65 < $1.68 per unit).

The unit rates for the first one id 1.65..The second one is 1.68.....So the first one is better..