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Katyanochek1 [597]
3 years ago
7

How do you decide which operations to use when you are solving a problem? Give an example.

Mathematics
1 answer:
deff fn [24]3 years ago
3 0
It really depends on what kind of problem. like if you are doing a word problem or whatever than you should read the question a couple times, underline key words, DECIDE which operation to use, refer to the question and see if it makes sense. Hope I helped :)
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A sidewalk forms the diagonal of a square park. The sidewalk is 30 meters long. To the nearest tenth of a meter, how long are th
PtichkaEL [24]
<span> <span>We can use the Pythagorean Theorem (A² + B² = C²) to solve for the lengths of the sides. We know that the diagonal, C, is 30 meters long, so C² = 900 meters. We know that since the park is square, A² + B² = 2A² = 2B²

900 = 2A²

A^2 = 450

Taking the square root of 450, we find that the lengths of A and B are roughly 21.2 meters.</span> </span>
8 0
3 years ago
Read 2 more answers
Please help i’m very confused
finlep [7]

Answer:

a: 300cm

b: 7m

c 450cm

d: 95 m

Step-by-step explanation:

if the given value is in meters multiply by 100

if the given value is in cm divide by 100

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3 years ago
a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has how much energy?​
erica [24]

Answer:

28

Step-by-step explanation:

i got my answer by dividing my answer and i got 28

7 0
3 years ago
Which of the following best describes the expression 4(y + 6)? (2 points)
meriva

I need the following...

4y+24 would be the answer

--v---v

4(y+6) ... To get rid of parenthesis, simply multiply 4 by y, and 4 by 6.

4y+24 is the answer.

3 0
3 years ago
Mandy has a total of $2.00 in change in her purse. Complete each set of coins below to show amounts equivalent to $2.00.
Montano1993 [528]

Answer:

10 nickels

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Step-by-step explanation:

6 0
2 years ago
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