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icang [17]
3 years ago
13

Ariel weighed an object on her balance and recorded a mass of 24.3 grams. Her teacher told her that there was obviously somethin

g wrong with her balance because it was giving her a reading which was 30.0% too high. What was the actual mass of the object?
Mathematics
1 answer:
jok3333 [9.3K]3 years ago
3 0

100\% - 30\% = 70\%
24.3 \times 70\% \\  = 24.3 \times  \frac{70}{100}  \\  = 17.01
The actual mass was 17.01 grams.

Hope this helps. - M
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A regular octagon has side lengths of 8 centimeters. What is the approximate area of the octagon?
lara31 [8.8K]

Answer:

The answer is B if the octagon has side lengths of 8

5 0
2 years ago
Factor 48m + 42n to identify the equivalent expressions
Ksenya-84 [330]

The equivalent expressions are 2(24m + 21n) and 3(16m + 14n) and 6(8m + 7n)

<em><u>Solution:</u></em>

Given that, we have to factor the given expression

<em><u>Given expression is:</u></em>

48m + 42n

The equivalent expressions can be found by factoring out the common factors of 48 and 42

<em><u>Let us first find the factors of 48 and 42</u></em>

The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42

The factors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Thus the common factors are: 1, 2, 3, 6

Let us factor out 2 from given expression

48m + 42n = 2(24m+21n)

Now factor out 3 from given expression

48m + 42n = 3(16m + 14n)

Now factor out 6 from given expression

48m+42n=6(8m + 7n)

Thus the equivalent expressions are 2(24m + 21n) and 3(16m + 14n) and 6(8m + 7n)

7 0
3 years ago
The spinner shown has six equal-size sections and is spun twice.
Ivenika [448]
Answer:
4/36

Explanation:
There are 6 numbers and if spines twice other 6, if these are multiplied with each other there will be a total of 36 products or probabilities.
On total there are four 12
2 x 6
3 x 4
4 x 3
6 x 2
6 0
3 years ago
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sasho [114]
Just find out 5% of 59.95, then just add that to 59.95. 2.99 is 5% of 59.95, 2.99+59.95=62.94
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You can write it as:
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*The '≥' and '≤' just means that it is greater than or less than but it can still be equal to the number you are comparing it to.

Hope this helps! :)
6 0
3 years ago
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