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2 years ago

14

Write the fraction as a sum of unit fractions 4-6

1 answer:

slava [35]2 years ago

3 0

5/12 is the sum of 1/4 + 1/6

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What is the approximate percent decrease when a fish count goes down from 850 to 500?

Fudgin [204]

So, the count went down from 850 to 500, or 350 units.

if we take the 850 to be the 100%, what is 350 in percentage off of it?

$\bf \begin{array}{ccllll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
850&100\\
350&x
\end{array} \implies \cfrac{850}{350}=\cfrac{100}{x}$

solve for "x".

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2 years ago

Please please please help me!!

Mariana [72]

Answer:

1. $-2^{8}$

2. $9m^{11}$

3. $-27x^{9}$

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

A ladder leaning against the wall makes an angle of elevation of 74. If the foot of the ladder is 6.5 feet from the

Lemur [1.5K]

Answer:

the answer is 6.5 * tan74 = 22.67 feet

Step-by-step explanation:

5 0

2 years ago

Can someone tell me the answer to this please this is mad confusing

torisob [31]

Answer:

12

Step-by-step explanation:

Assume that those angles' curve in the triangle have same measure.

Law of Sin states that:

$\displaystyle \large{ \frac{ \sin A}{a} = \frac{ \sin B}{b} = \frac{ \sin C}{c} = 2R}$

From the question, assume that B and C are congruent or have same measure. Let B and C be congruent; angle B = angle C thus:-

$\displaystyle \large{ \frac{ \sin B}{b} = \frac{ \sin C}{c} } \\ \displaystyle \large{ \frac{ \sin B}{b} = \frac{ \sin B}{c} }$

Let b = x and c = 12; for angle B, it's not given so leave it.

$\ \displaystyle \large{ \frac{ \sin B}{x} = \frac{ \sin B}{12} }$

Multiply both sides by LCM which is 12x.

$\ \displaystyle \large{ \frac{ \sin B}{x}(12x) = \frac{ \sin B}{12}(12x) } \\ \ \displaystyle \large{12\sin B =\sin Bx }$

Divide both sides by sinB.

$\displaystyle \large{ \frac{12\sin B}{\sin B} = \frac{\sin Bx }{ \sin B}} \\ \displaystyle \large{ 12 = x}$

Therefore, x = 12.

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2 years ago

In 2008, there were 1570 bears in a wildlife refuge. In 2010, the population had

kaheart [24]

Answer:

it would be about 4500 bears

Step-by-step explanation:

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3 years ago