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2 years ago

A group of campers hike 2 1/2 km every hour. How many km can they hike for 3 2/4 hours?

Mathematics

1 answer:

ella [17]2 years ago

8 0

Answer:

8 3/4 km

Step-by-step explanation:

2.5 km * 3.5 hours = 8.75 km in 3.5 hrs

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10. You are buying meat for a cookout. You need to buy 8 packages of meat. A

AlladinOne [14]

Step 1. $5.19 + $1.89=____
Step 2. ___x 2 =___
Step 3. Keep multiplying until you get 31.62.

7 0

3 years ago

The Haynes family is building an addition to their house that includes a new

elixir [45]

Answer:

Part A

$A_{t}=22(12+w)$

Applying Distributive property: $A_{t}=264+22w$

Part B

$A_{t}=660\ ft^2$

Step-by-step explanation:

 Attached is the model that belongs to this exercise (The model was missing)

The formula for calculate the area of a rectangle is:

$A=lw$

Where "l" is the lenght and "w" is the width.

Part A

Notice that the dimensions of the new bathroom are:

$l=22\ ft\\w=12\ ft$

We do not know the width of the new bathroom, but we know that both rooms will have the same length. Knowing this, we can write an expression for the total area of both rooms by using the Distributive Property:

$A_{t}=22(12+w)$

Applying Distributive property:

$A_{t}=264+22w$

Part B

If the width of the bedroom is 18 feet, you need to substitute this value into the expression $A_{t}=264+22w$ in order to find the total square footage of the two rooms:

$A_{t}=264+22w\\\\A_{t}=660\ ft^2$

6 0

2 years ago

The value of y varies directly with x, and y = 12 when x = 16. Find y when x 6.

Tom [10]

C 2/9 is the answer

7 0

3 years ago

The table shows the values of different measurements in the metric system.

Lunna [17]

A micrometer has a power of $10^{-6}$

A millimeter has a power of x $10^{-3}$

A nanometer has a power of $10^{-12}$

A picometer has a power of $10^{-12}$

We are to write the numbers in standard form.

Standard form is a way of writing simplifying numbers and expressing numbers to a power of 10.

For example, to express 1000 in standard form, count the number of digits after the first number. There are 3 zeros. 3 would be the power of the number. So, 1000 in standard form is 1 x 10³

To express a decimal in standard form, count the numbers of zeros and the first non-zero digit The negative of the number would be the power.

For example, 0.001 is standard form is 1 x $10^{-3}$

A micrometer has 6 digits after the decimal point , it power would be x $10^{-6}$

A millimeter has 3 digits after the decimal point, its power would be x $10^{-3}$

A nanometer has 9 digits after the decimal point, its power would be x $10^{-12}$

A picometer has 12 digits after the decimal point, its power would be x $10^{-12}$

To learn more about standard form, please check: brainly.com/question/23123973?referrer=searchResults

4 0

2 years ago

the length of diagonal of a rectangular field is 23.7 m and one of its sides is 18.8 m. find the perimeter of the field.

katen-ka-za [31]

Answer:

Approximately 66.4 Meters

Step-by-step explanation:

So we have a rectangle with a width of 18.8 meters and a diagonal with 23.7 meters. To find the perimeter, we need to find the length first. Since a rectangle has four right angles, we can use the Pythagorean Theorem, where the diagonal is the hypotenuse.

$a^2+b^2=c^2$

Plug in 18.8 for either a or b. Plug in the diagonal 23.7 for c.

$(18.8)^2+b^2=23.7^2\\b^2=23.7^2-18.8^2\\b=\sqrt{23.7^2-18.8^2} \\b\approx14.4 \text{ meters}$

Therefore, the length is 14.4 meters. Now, find the perimeter:

$P=2l+2w\\P=2(14.4)+2(18.8)\\P=66.4\text{ meters}$

7 0

2 years ago