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3 years ago

Help me plz ill be dead if i dont do this

Mathematics

2 answers:

Blababa [14]3 years ago

6 0

Theres no picture or question

Veronika [31]3 years ago

5 0

Theres no question.

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Solve for x and y...............

sladkih [1.3K]

Answer:

9. $x=30, y=10\sqrt{3}$

11. $x=5\sqrt{3}, y=10\sqrt{3}$

Step-by-step explanation:

$\sin x=\dfrac{10}{20}\\x=\sin^{-1}\left( \dfrac{1}{2} \right)=30^{\circ}\\y=\sqrt{20^2-10^2}=\sqrt{400-100}=\sqrt{300}=10\sqrt{3}$

11)

$\tan 60= \dfrac{15}{x}\\x=\dfrac{15}{\tan 60}=5\sqrt{3}\\y=\sqrt{(5\sqrt{3})^2+15^2}=\sqrt{75+225}=\sqrt{300}=10\sqrt{3}$

Hope this helps!

7 0

3 years ago

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notka56 [123]

Answer:

B) No

Step-by-step explanation:

the expressions are not equivalent

6 0

3 years ago

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which of the following is the quotient of the rational expressions shown below 2x/4x+3 divided x-1/2x

Rom4ik [11]

Answer: I think the answer is 4x^2/(4x+3) (x-1)

6 0

3 years ago

Pls halp i give 15 points

Norma-Jean [14]

Answer:

(x^2-5x+25) IS CORRECT ONE ............

7 0

3 years ago

A population of squirrels on an island has a carrying capacity of 350 individuals. If the maximum rate of increase is 1.0 per in

TiliK225 [7]

Answer:

The population growth rate is 59 squirrels per year.

Step-by-step explanation:

Given:

A population of squirrels on an island has a carrying capacity of 350 individuals. If the maximum rate of increase is 1.0 per individual per year and the population size is 275.

Now, to find the population growth rate.

Carrying capacity ( $K$ ) = 350.

Maximum rate ( $r_{max}$ ) = 1.0 per individual per year.

Population size ( $N$ ) = 275.

Now, to get the population growth rate we put formula:

$\frac{dN}{dT}= r_{max}\frac{K-N}{K}N$

$\frac{dN}{dT}=1.0\times \frac{350-275}{350}\times 275\\\\\frac{dN}{dT}=1.0\times \frac{75}{350}\times 275\\\\\frac{dN}{dT}=1.0\times 0.214\times 275\\\\\frac{dN}{dT}=58.85.$

So, rounding to nearest whole number of the population growth rate is 59 squirrels per year.

Therefore, the population growth rate is 59 squirrels per year.

6 0

3 years ago