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1 year ago

Select the correct answer. In the given figure, m AD = 79° and m

Mathematics

1 answer:

Debora [2.8K]1 year ago

5 0

Answer:

2 or 3

Step-by-step explanation:

write it down dummy

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Plz help and no spam plz. A large university accepts 60% of the students who apply. Of the students the

mihalych1998 [28]

2,600 students actually enroll.

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2 years ago

Read 2 more answers

a scale model of the human heart os 196 in. The scale is 32:1, what is the approximate actual size of the heart

Yanka [14]

If it is a 32:1 then the answer is somewhere around 6.125 inches

32 : 1 = 196 : X
32X = 196
X = 196/32
X= 6.125

7 0

2 years ago

Find the x-coordinates where f ' (x)=0 for f(x)=2x+sin(4x) in the interval [0, pi]

MAVERICK [17]

Answer:

The x-coordinate is \dfrac{\pi}{6}[/tex].

Step-by-step explanation:

We are given a function f(x) as:

$f(x)=2x+\sin (4x)$

Now on differentiating both side with respect to x we get that:

$f'(x)=2+4 \cos (4x)$

When $f'(x)=0$

this means that $2+4\cos (4x)=0\\\\4\cos (4x)=-2\\\\\cos(4x)=\dfrac{-1}{2}$

Hence, cosine function takes the negative value in second and third quadrant but we have to only find the value in the interval $[0,\pi]$ .

also we know that $\cos (\dfrac{2\pi}{3})=\dfrac{-1}{2}$ ----(1) (which lie in the second quadrant)

so on comparing our equation with equation (1) we obtain:

$4x=\dfrac{2\pi}{3}\\\\x=\dfrac{\pi}{6}$

Hence, the x-coordinates where $f'(x)=0$ for $f(x)=2x+\sin(4x)$ is $\dfrac{\pi}{6}$ .

5 0

3 years ago

For the problem 9+2(3) do you get the final answer if you had first as you do if you multiply first

mel-nik [20]

Answer:

Step-by-step explanation:

you have to multiply first because of the order of operations, so 2 × 3 = 6, and 6 + 9 = 15

6 0

3 years ago

Read 2 more answers

The heights of a maple tree and a cherry tree have a ratio of 5:2. If the maple tree grew 20 cm and 20 cm was cut off the top of

elena-14-01-66 [18.8K]

Let x be the <span>heights of a maple tree and y be the height of the cherry tree.
We know:
</span> $\frac{x}{y} = \frac{5}{2}$
<span>The new ratio is obtained like this:
</span> $\frac{x+20}{y-20} = \frac{3}{1}$ .
From the above equation we get $x= (y-20)\frac{3}{1} -20$ .
then $\frac{ (y-20)\frac{3}{1} -20}{y} = \frac{5}{2}$
Solving the above equation for y we get: $y=160$
So $x=400$
So the first tree is (400-160=240) more taller than cherry tree.

7 0

2 years ago