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agasfer [191]
2 years ago
10

11/5 - 7/4 + 2/1 evaluate​

Mathematics
1 answer:
irga5000 [103]2 years ago
4 0

Step-by-step explanation:

11/5−7/4+2/1

=49/20(Decimal: 2.45)

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If two measurements are very close to each other, then they are ____..
erik [133]

The <em>correct answer</em> is:


B) precise


Explanation:


Precision can be broken down into two pieces:

<em>Repeatability </em>- The variation observed when the same person measures the same thing repeatedly with the same device.

<em>Reproducibility</em>: The variation observed when different people measure the same thing using the same device.


If two measurements are very close to each other, this gives repeatability. If the measurements were made by different people, this gives reproducibility.


<em>Accuracy</em>, however, describes the difference between the measurement and the thing's actual value. This would not involve getting the same result repeatedly; it would be getting the <em>correct</em> value.

6 0
3 years ago
Read 2 more answers
What is the value of the expression below? <br>(49³)^1/6<br>A. 3.5<br>B. 7<br>C. 49<br>D. 24.5
Lunna [17]
The answer is 7.

Hope this helps.
7 0
3 years ago
Can someone help me with this please!~
Eduardwww [97]
Note that sum of triangle interior angles is 180. So,

(12x+12)+15+(3x+18)=180

15x+45=180

15x=135

x=9

Since A=12x+12=12.9+12=120

And C=3x+18=3.9+18=45
7 0
3 years ago
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David used the measuring cup show to measure milk for a batch of muffins. He needs to make 12 batches of muffins for a fund rais
lozanna [386]
16x12=192
Yes, if he only uses one cup per batch
5 0
3 years ago
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On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 7 k
Airida [17]

Answer:

21 N

Step-by-step explanation:

let mass be m and weight be w

Given w varies directly with m then the equation relating them is

w = km ← k is the constant of variation

To find k use the condition m = 7 , w = 49 , then

49 = 7k ( divide both sides by 7 )

7 = k

w = 7m ← equation of variation

When m = 3 , then

w = 7 × 3 = 21 N

3 0
2 years ago
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