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worty [1.4K]
3 years ago
14

Can someone explain to me how to do this? I will give brainliest.

Mathematics
1 answer:
taurus [48]3 years ago
4 0

Answer:

4x+7 = 19

4x = 19 - 7

4x = 12(divide both sides by 4 to get x)

4x/4 = 12/4

x = 3

Step-by-step explanation:

Like this way you can do all

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A bakery sold a total of 400 cupcakes in a day, and 43% of them were vanilla flavored. how many of the cupcakes sold that day we
garik1379 [7]

The number of the cupcakes sold that day that were vanilla flavored is 172.

<h3>How do we calculate a number from a percentage?</h3>

The number of the cupcakes sold that day that were vanilla flavored can be calculated using the following formula:

Number of vanilla flavored cupcakes sold = Total number of cupcakes sold * Percentage that were vanilla flavored .............. (1)

Substituting the relevant values into equation (1), we have:

Number of vanilla flavored cupcakes sold = 400 * 43% = 172

Learn more about percentages here: brainly.com/question/14801224.

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2 years ago
Since angle B is the largest angle, AC is the side
Vesna [10]

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Step-by-step explanation:

The longest side of a triangle is opposite the largest  angle, and the shortest side is opposite the smallest angle.

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Solve for x:<br><br>5/7 = 4x/83​
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Step-by-step explanation:

\to  \dfrac{5}{7}  =  \dfrac{4x}{83}

By cross multiplication,

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