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1 year ago

Please answer giving Brainliest

Mathematics

1 answer:

yarga [219]1 year ago

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Convert 4 months to fraction form assuming 360-day year

PIT_PIT [208]

I converted the four months into a fraction, and got 1/3. There's 12 months in a year, and divided by 4, I got 3.

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3 years ago

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Hey someone pls help the girl out

hichkok12 [17]

Answer:

because one i one is higher than the other, if you look at it

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2 years ago

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cos theta = 4/5, 0˚< theta < 90˚ use the information given to find sin2theta, cos2theta, and tan 2theta

NikAS [45]

First calculate $\sin\theta$ .

$\sin^2\theta+\cos^2\theta=1\\\\\sin^2\theta=1-\cos^2\theta\\\\\sin^2\theta=1-\left(\dfrac{4}{5}\right)^2\\\\\\\sin^2\theta=1-\dfrac{16}{25}\\\\\\\sin^2\theta=\dfrac{9}{25}\quad|\sqrt{(\dots)}\\\\\\\sin\theta=\sqrt{\dfrac{9}{25}}\\\\\\\boxed{\sin\theta=\dfrac{3}{5}}$

We take positive value of sinθ because 0° < θ < 90°
Now we could calculate sin2θ, cos2θ and tan2θ:

$\sin2\theta=2\sin\theta\cos\theta=2\cdot\dfrac{3}{5}\cdot\dfrac{4}{5}=\dfrac{2\cdot3\cdot4}{5\cdot5}=\dfrac{24}{25}\\\\\\\cos2\theta=\cos^2\theta-\sin^2\theta=\left(\dfrac{4}{5}\right)^2-\left(\dfrac{3}{5}\right)^2=\dfrac{16}{25}-\dfrac{9}{25}=\dfrac{7}{25}\\\\\\
\tan2\theta=\dfrac{\sin2\theta}{\cos2\theta}=\dfrac{\frac{24}{25}}{\frac{7}{25}}=\dfrac{24\cdot25}{7\cdot25}=\dfrac{24}{7}=3\dfrac{3}{7}$

5 0

3 years ago

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Refer to the equation 2x − 6y = 12 Create a table of values for at least 4 points. Show your work

natka813 [3]

Answer: The table and figure are given below,

Solution:

The given equation is $2x-6y=12$ .

put x=0 in the equation.

$2(0)-6y=12$

$-6y=12$

$y=-2$

Similarly find the values of y at different values of x. The values are shown in the table.

From table it is notices that the value of y=-2 for x=0, y=-1 for x=3, y==-3 for x=-3, y=0 for x=6.

Plot these points in the coordinate plane and joint them by a straight line.

The gra his shown in below figure.

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3 years ago

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Helpppppppppppppphxhxhxhxhx

pychu [463]

Answer:

C $\frac{48}{70}$

Step-by-step explanation:

Option C - $\frac{48}{70}$ is incorrect because when multiplying the numerator and denominator of the fraction $\frac{7}{10}$ by 7, you’re suppose to get $\frac{49}{70}$ .

4 0

2 years ago