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Stels [109]
3 years ago
13

What does it mean to find the square root of a number? What is the square root of 49 ?

Mathematics
1 answer:
almond37 [142]3 years ago
7 0

The square root of a number is defined as a number that produces a specified amount when multiplied by itself.

The square root of 49 would be 7, because 7*7 = 49.

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Please explain I need help with all these
sergey [27]
For all of these you're trying to solve for the variable. The variable is usually a number or symbol.

11) -44+n=36
Step one would be to add 44 to both sides of the equation.

N=80

12) -36=p-91
Step one would be to add -91 to both sides of the equation.

P=55

13) X-225=671
Step one you be to add 225 to both sides of the equation. Although it may seem difficult because of the big numbers, it's the same technique.

14) 19=c-(-12)
Step one on this equation will be a little different. Because there are two negative signs (-), they turn into a plus sign. Remember, two negative signs make a positive sign.

19=c+12

Now you just subtract 12 from each side of the equation.

6=C
3 0
3 years ago
Investing $27,000 in an account paying 7.25% interest compounded quarterly.
Monica [59]

Answer:

Jamie account will be 25042.5 in 14 years.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A room has three lightbulbs. Each one has a 30% probability of burning out within the month. Write the probability as a percenta
lesantik [10]

Answer:

97.3%

Step-by-step explanation:

Let the three bulbs be A, B and C respectively.

Let P(A) denote the probability that the first bulb will burn out

Let P(B) denote the probability that the second bulb will burn out

Let P(C) denote the probability that the third bulb will burn out

Now, we are told that Each one has a 30% probability of burning out within the month.

Thus;

P(A) = P(B) = P(C) = 30% = 0.3

Now, probability that at the end of the month at least one of the bulbs will be lit will be given as;

P(at least one bulb will be lit) = 1 - (P(A) × P(B) × P(C))

P(at least one bulb will be lit) = 1 - (0.3 × 0.3 × 0.3) = 0.973 = 97.3%

3 0
3 years ago
Answer each question and explain your reasoning.<br>How long is 75% of 60 minutes?​
uysha [10]

Answer:

45 minutes

Step-by-step explanation:

75% is the same as \frac{3}{4}. This means that we can multiply 60 by  \frac{3}{4} to find 75% of 60.

60*\frac{3}{4} \\\\\frac{180}{4} \\\\\frac{90}{2}\\\\45

5 0
3 years ago
Read 2 more answers
What is 9 29/80 as a decimal
Mrrafil [7]
Divide your fraction 29/80 which is 0.3625 and then you just add your wholes which is 9.3625
5 0
3 years ago
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