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grin007 [14]
3 years ago
9

When you describe a quantity with more than one familiar unit (such as kilometers or millimeters for a length), how can you deci

de which is a more appropriate unit to use? While it is not incorrect to use the less appropriate unit, why do you want to avoid using it anyway?
Mathematics
2 answers:
viktelen [127]3 years ago
8 0
You can decide by seeing which one measures object better. you want to avoid using the incorrect unit because it can meaure it wrong or it won't be as accurate as the right unit
Stolb23 [73]3 years ago
8 0

Answer:

When we use smaller units to describe something bigger, it becomes lengthy and confusing to calculate.

Like, if we want to tell the weight of a truck, it is better to use tons rather than grams.

Because 1 ton has 907185 grams approx. So, you can see the calculation becomes long, if we want to convert 5 tons to grams and it will be difficult to say that a truck weighs 4.536e+6 grams.

This is why we avoid using smaller units for larger things.

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If the length of a rectangle is 4.3 feet and its width is 2.7 feet what is its are and its perimeter
Dvinal [7]
The area is 11.61 square feet and the perimeter is 14 feet. i hope this helps :)

Area=Length times width

Perimeter=Length+Length+width+width
7 0
3 years ago
Read 2 more answers
Determine a pair of angles (one positive and one negative) in degree measure coterminal to the angle 117°.​
andre [41]

Answer:

Option B.

Step-by-step explanation:

When we have an angle A, in degrees, the coterminal angles are all the angles that can be written as:

B = A + n*360°

Where n is a positive or a negative integer (if n = 0, then B = A, which means that A is coterminal with itself, which is trivial).

Now we want to find two coterminal angles to 117°, such that one is positive and the other negative.

Then we can do:

for the positive one, use n = 1.

B = 117° + 1*360° = 477°

For the negative one, use n = -1

B = 117° - 1*360° = -243°

Then the two angles are 477° and -243°

The correct option is B.

4 0
3 years ago
Read 2 more answers
Which ordered pair makes both inequalities true?
kvasek [131]

Answer:

(3, 0)

Step-by-step explanation:

Given the inequality y > -2x + 3 and y ≤ x - 2

The graph of the inequalities are plotted using the geogebra graphing online calculator.

The portion of the graph that is shaded with dark blue, represents the portion that supports the equation.

All the ordered pair points given in the question are also labelled in the graph.

From the graph we can see that only point (3, 0) falls in the area that supports the equation. Hence (3, 0) makes both inequalities true.

6 0
3 years ago
40% of what number is 84?
Fynjy0 [20]

Answer:

210

Step-by-step explanation:

84 / .40 = 210

(to check)

210 X .40 = 84

4 0
3 years ago
Read 2 more answers
Simon bought 3.5 pounds of Beef on sale for $1.25 per pound at HEB. If Simon gave the cashier $10.00, how much change would he r
Lera25 [3.4K]

Answer:

$5.625

Step-by-step explanation:

Cost per pound of beef = $1.25 per pound

Number of pounds purchased = 3.5 pounds

Amount given to cashier = $10.00

Amount of change to receive from cashier =?

Amount issued to cashier - total cost of beef

Total cost of beef = (number of pounds * cost per pound)

Total cost of beef = (3.5 * 1.25) = $4.375

$10 - $4.375 = $5.625

4 0
3 years ago
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