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3 years ago

I don't get question a

Mathematics

1 answer:

Maslowich3 years ago

3 0

Enlarge means to make bigger

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Which is the equation of a hyperbola with directrices at y = ±2 and foci at (0, 4) and (0, −4)?

laila [671]

Answer:

Step-by-step explanation:

x2/8 - y2/8 = 1

Thank me later :>

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3 years ago

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Levart [38]

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Step-by-step explanation:

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What is 8 divided by 1/4

katovenus [111]

8 divided by 1/4 is the same as 8 multiplied by 4, which is 32

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It takes Max 9 minutes to read 10 pages of his book. Which equation represents the

Ksju [112]

Answer:

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The area of triangle ABC is 3√2 square inches. Find the measure of the acute angle, A, if b = 9 meters and c = 2 meters.

taurus [48]

Answer:

$A\approx 28^{\circ}$

Step-by-step explanation:

Please find the attachment.

We have been given that area of triangle ABC is 3√2 square inches.

$\text{Area}=\frac{1}{2}\text{Base}\times \text{height}$

We know that area of triangle an be found using trigonometry as:

$\text{Area}=\frac{1}{2}\times c\times h$

$\text{sin}(A)=\frac{h}{9}\\h=9\cdot \text{sin}(A)$

$3\sqrt{2}=\frac{1}{2}\times 2\times 9\cdot \text{sin}(A)$

$3\sqrt{2}=9\cdot \text{sin}(A)$

$9\cdot \text{sin}(A)=3\sqrt{2}$

$\text{sin}(A)=\frac{3\sqrt{2}}{9}$

$\text{sin}(A)=\frac{\sqrt{2}}{3}$

Now, we will use inverse sine to find the value of angle A as:

$A=\text{sin}^{-1}(\frac{\sqrt{2}}{3})$

$A=28.1255057^{\circ}$

$A\approx 28^{\circ}$

Therefore, the measure of angle A is approximately 28 degrees.

3 0

3 years ago