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netineya [11]
2 years ago
8

I need help with this question.

Mathematics
1 answer:
Strike441 [17]2 years ago
8 0

Answer:

72

Step-by-step explanation:

30/x = 25/100

cross multiply

3,000=25x

3,000/25=25x/25

3,000/25=120

60% of 120 = 60/100*120

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Which equation below would be perpendicular to the line y = 2?
nadya68 [22]
Answer:
A) y=1/5x
Step-by-step explanation:
Coz, the way you identify a perpendicular line is by looking for its negative reciprocal. The neagtive reciprocal of 5= 1/5
Now, to check the ans we can multiply the negative reciprocal by "m"
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3 0
2 years ago
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A silver ring has a volume of 3 cm- and a mass of 36 grams.<br>Find the density of the silver.​
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8 0
3 years ago
Below is a magic square, meaning that the sum of the numbers in each row, in each column, and in each of the $2$ main diagonals
Mariulka [41]

The property  of equality of the rows, columns, and diagonals in the magic

square can be used to find the value of <em>n</em>.

The value of <em>n</em> is 6

Reasons:

The magic square can be presented as follows;

\begin{array}{|c|c|c|}n-2&3&n + 2\\n + 3&n - 1&1\\2&2 \cdot n - 5&n\end{array}\right]

Given that the sum of the numbers in each row and in each column and in

each of the two diagonals are equal, to find the value of <em>n</em>, two rows having

different number of the variable <em>n</em> can be equated as follows;

The top row = n - 2 + 3 + n + 2 = The bottom row = 2 + 2·n - 5 + n

n - 2 + 3 + n + 2 = 2 + 2·n - 5 + n

2·n + 3 =  3·n - 3

3·n - 3 = 2·n + 3 (symmetric property)

3·n - 2·n = 3 + 3

n = 6

Learn more here:

brainly.com/question/17355019

brainly.com/question/20477897

brainly.com/question/8183549

4 0
2 years ago
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