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Jobisdone [24]
2 years ago
15

David's chocolate bar is 37% cocoa. If the weight of the chocolate bar is 51 grams, how many grams of cocoa does it contain? Rou

nd your answer to the nearest tenth.
Mathematics
1 answer:
OverLord2011 [107]2 years ago
3 0

Answer:

18.9

Step-by-step explanation:

You need to find 37% of 51

In other words: 37% x 51

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8 0
3 years ago
Find the angle that the line through the given pair of points makes with the positive direction of the x-axis
Allisa [31]

Answer:

The answer to your question is Ф = 45°

Step-by-step explanation:

Data

A (1, 4)

B (-1, 2)

Process

1.- Find the slope of the line

formula

m = \frac{y2 - y1}{x2 - x1}

Substitution

m = \frac{2 - 4}{-1 - 1} = \frac{-2}{-2} = 1

Slope definition, is the steepness of a line and also is the tangent of the angle of the line.

                          tangent Ф  = slope

                          tangent Ф = 1

                                        Ф = tangent⁻¹ 1

                                        Ф = 45°

4 0
3 years ago
Read 2 more answers
The price of a​ four-star meal, only ​$5050 per couple decades​ ago, has since increased 400400​%. The current price of a​ four-
Vikentia [17]

Answer:

The correct answer is C.

Step-by-step explanation:

The price of a​ four-star meal, only ​$50 per couple decades​ ago, has since increased 400%.

This means that if the $50 per couple is 100%(decimal 1), the current price is 100%+400% = 500%(decimal 5). So we can solve a rule of three to find the current price of a four-star meal.

1 - 50

5 - x

x = 50*5

x = 250.

The current price of a four star meal is $250 per couple.

The correct answer is C.

3 0
3 years ago
AB = x + 2
Ilya [14]

Answer:

12,9

Step-by-step explanation:

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3 years ago
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