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yulyashka [42]
3 years ago
5

A box of dried fruit has 45 calories in 3 servings. How many calories are there per serving?

Mathematics
1 answer:
fgiga [73]3 years ago
3 0

Answer:

<h2><em><u>15 calories</u></em></h2>

Step-by-step explanation:

There are 45 in 3

3x=45

/3   /3

x=15

<h2><em><u>15 calories in each serving</u></em></h2>

Hope it helps,

Kavitha

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You can solve this by making a proportion.

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3 years ago
In Jamie's class, 1/5 of the students are boys. What percent of the students in Jamie’s class are boys?
Cloud [144]

Answer:

The percentage of boys students in Jamie's class is 20 %

Step-by-step explanation:

Given as :

The total number of boys in the Jamie's class = \frac{1}{5} of the total student

Let the total number of student's in the class = x

So, The number of boys =  \frac{1}{5} × x

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So , in percentage the number of boys students in class = \dfrac{\textrm Total number of boy student}{\textrm Total number of students} × 100

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or, % boys students = \frac{100}{5}

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Hence The percentage of boys students in Jamie's class is 20 %  . Answer

7 0
3 years ago
Read 2 more answers
7x^2=9+x what are the values of x<br><br>Will give medal and points
DENIUS [597]
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7x² - x = 9    Subtract 9 from both sides
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a = 7 , b = -1 , c = -9

x = \frac{-b \pm  \sqrt{b^2 - 4ac} }{2a}   Plug in the a, b, and c values
x = \frac{- (-1) \pm  \sqrt{(-1)^2 - 4(7)(-9)} }{2(7)}   Cancel out the double negative
x = \frac{1 \pm  \sqrt{(-1)^2 - 4(7)(-9)} }{2(7)}   Square -1
x = \frac{1 \pm  \sqrt{1 - 4(7)(-9)} }{2(7)}   Multiply 7 and -9
x = \frac{1 \pm  \sqrt{1 - 4(-63} }{2(7)}   Multiply -4 and -63
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x = \frac{1 \pm  \sqrt{1 + 252} }{14}   Add 1 and 252
x = \frac{1 \pm  \sqrt{253} }{14}   Split up the \pm
x = \left \{ {{ \frac{1 +  \sqrt{253} }{14} } \atop { \frac{1 -  \sqrt{253} }{14} }} \right.
The approximate square root of 253 is <span>15.905973.
</span>x ≈ \left \{ { \frac{1 + 15.905973}{14} } \atop { \frac{1 - 15.905973}{14} }} \right   Add and subtract
x ≈ \left \{ {{ \frac{16.905973}{14} } \atop { \frac{14.905973}{14} }} \right.   Divide
x ≈ \left \{ {{1.2075} \atop {1.0647}} \right.   Round to the nearest hundredth
x ≈ \left \{ {{1.21} \atop {1.06}} \right.

<span>
</span>
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Step-by-step explanation:

Well lets think about this

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