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Aneli [31]
2 years ago
12

-Solve the proportion (round to the nearest tenth). 1910=x12

Mathematics
1 answer:
zysi [14]2 years ago
5 0

The value of x in the proportion is 15.8.

1910 = x12

1910 = 12x

divide both sides by  12

1910 / 12 = 12x / 12

x = 15.8333333333

x ≈ 15.8

read more: brainly.com/question/14026746?referrer=searchResults

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Eduardwww [97]
Let's say the numbers are "a" and "b"

thus \bf y=ab\qquad 
\begin{cases}
a+b=80\\
b=80-a
\end{cases}\implies y=a(80-a)\implies y=80a-a^2\\\\
-----------------------------\\\\
\cfrac{dy}{da}=80-2a

set the derivative to 0, and check the critical points, there's only one anyway

and do a first-derivative test, to see if it's a maximum
4 0
3 years ago
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Which of the following scenarios MUST represent two independent events?
egoroff_w [7]

Answer: C) P(blue) = 70%, P(green) = 30%, P(blue and green) = 21%

Step-by-step explanation:

Given probabilities P(A) AND P(B) are independent, the probability that both events to occur is given by:

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Because:

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7 0
2 years ago
Which statement is true? A. In any right triangle, the sine of one acute angle is equal to the cosine of the other acute angle.
mr Goodwill [35]

That would be choice 2. One acute angle is the complement of the other

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8 0
2 years ago
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There is an error in the diagram. Choose the statement that best describes what is wrong.
marishachu [46]

Answer:

the first one is right and other are wrong

4 0
3 years ago
What is the equation of the line?
djverab [1.8K]

Answer:

y = 1/2 - 3/2

Step-by-step explanation:

All we need to do is find the y-intercept of the line using the formula for slope intercept form [ y = mx + b ].

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-1.5 = b

We can put all the information we know/solved for into the formula.

y = 1/2 - 1.5

Best of Luck!

7 0
2 years ago
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