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aleksklad [387]
2 years ago
6

Two complementary angles are represented by x and x+14 . find the value of x

Mathematics
2 answers:
Alex Ar [27]2 years ago
7 0

the answer will be ....

38

qaws [65]2 years ago
6 0

Answer:

x=38\textdegree

Step-by-step explanation:

Remember that complementary angles <em>always </em>add up to 90°.

We know that the two complementary angles are represented by (x) and (x+14). In other words:

(x)+(x+14)=90

So, let's solve for x.

First, combine like terms:

2x+14=90

Let's isolate the x by subtracting 14 from both sides:

(2x+14)-14=(90)-14

The left cancels. Subtract on the right:

2x=76

Divide both sides by 2:

\frac{2x}{2}=\frac{76}{2}

The left side cancels. Divide on the right:

x=38\textdegree

So, the value of x is 38°.

And we're done!

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The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with an average weight of 5
Lisa [10]

Answer: 0.4987

Step-by-step explanation:

Given : The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with

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Standard deviation : \sigma= 2\text{ lbs}

Let X be the random variable that represents the weight of randomly selected student .

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P(5

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5 0
3 years ago
Mark got 14 problems wrong on his test. His score was 72% correct. How many problems were on the test? Please show work.
stira [4]
Consider that 100%-72%=28% represents the percentage of wrong answers. I would think as fractions as:
if 100%  is the total number of answers and 28% are the wrong ones
as
if x is the total you have 14 wrong you can write:
\frac{100}{28} = \frac{x}{14}
x=(100/28)*14=50 questions
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3 years ago
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