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Anestetic [448]
3 years ago
12

How do i estimate then find the sum with whole numbers

Mathematics
2 answers:
muminat3 years ago
8 0

Answer:

u round to the nearest tenth and then multiply to check

Step-by-step explanation:

lina2011 [118]3 years ago
4 0

Answer:

round to a friendly number like the nearest tenth and add them if its sum

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Given that one foot is approximately equal to 0.3048 meters, covert the stadium area of 3 million square feet to square meters.
malfutka [58]

<span>The stadium area is 278,709 meters squared.

If             1 ft = 0.3048 meters</span> <span>               
               1square feet = 0.3048 x 0.3048 = 0.09290304 square meter.</span> <span>               

Then 3,000,000 square feet x 0.09290304 sq. m = 278,709.12</span>




8 0
4 years ago
Which expressions are equivalent to the given expression? Select two options.
Mars2501 [29]

Answer : The two correct options are,

3.4a + 5.6b

5.6b + 3.4a

Step-by-step explanation :

The given expression is:

(-2.4a - 1.8b) - (-3.8a - 4.4b) + (2.0a + 3.0b)

First we have to open the brackets.

⇒ -2.4a - 1.8b + 3.8a + 4.4b +2.0a + 3.0b

Now keep like terms together.

⇒ -2.4a + 3.8a +2.0a + 3.0b - 1.8b + 4.4b

By subtraction or addition, we get:

⇒ 3.4a + 5.6b

or,

⇒ 5.6b + 3.4a

Hence, the expressions that equivalent to the given expression are, 3.4a + 5.6b and 5.6b + 3.4a

7 0
3 years ago
Read 2 more answers
Choose the best reason for using the median as the measure of central tendency.
Alchen [17]

Answer:

The median is usually preferred in these situations because the value of the mean can be distorted by the outliers. However, it will depend on how influential the outliers are. If they do not significantly distort the mean, using the mean as the measure of central tendency will usually be preferred.

6 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPP
Vikentia [17]

Answer:

3x^2 + 3  -->  6, 15, 30, 51

2x^2 - 1    -->  1, 7, 17, 31

x^2 + 2     -->  3, 6, 11, 18

Step-by-step explanation:

Let's start with the first equation; 3x^2 + 3

Substitute 1 (the first digit in a sequence) for x.

3(1^2) + 3

3(1) + 3

3 + 3 = <u>6</u>

3(2^2) + 3 Then the second digit.

3(4) + 3

12 + 3 = <u>15</u>

Since the two numbers we have so far are 6 and 15, there is only one sequence this could match. 6, 15, 30, 51.

2(1^2) - 1

2(1) - 1

2 - 1 = <u>1</u>

This equation represents 1, 7, 17, 31.

These same steps apply to the other equation as well.

1^2 + 2, then 2^2 + 2, then 2^2 + 2, and so on. (But we don't need to do extra work to figure that out.)

7 0
3 years ago
10. The radius of a small wading pool is 3 feet. What is the circumference of this pool?
Maurinko [17]

Answer:

18.85

Step-by-step explanation:

C=2πr=2·π·3≈18.84956

3 0
3 years ago
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