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MAVERICK [17]
3 years ago
7

Evaluate 50-3d if d=12 PLEASE HURRY! I'M TIMED!

Mathematics
1 answer:
qwelly [4]3 years ago
3 0

Step-by-step explanation:

3d=dx3

3x12=36

50-36=14

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What is cos 30?<br>this is geometry
nirvana33 [79]
So the definition of the cosine of an angle of a right triangle is \frac{adjacent}{hypotenuse}. You may remember this by SohCahToa (sine is opposite over hypotenuse, cosine is adjacent over hypotenuse, tangent is opposite over adjacent).

Remember, adjacent refers to the side next to the angle in question, and the side can't also be the hypotenuse. The hypotenuse is that longest side and is opposite the right angle.

We have the cosine of 30°. We write

\cos(30)= \frac{adj}{hyp} = \frac{ \sqrt{3}}{2}
8 0
3 years ago
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One factor of the function f(x) = x ^ 3 - 8x ^ 2 + 17x - 10.5(x - 5) Describe how to find the x-intercepts and the y-intercept o
pickupchik [31]

Answer:

x-intercept(s):  (−1.9900717,  0)

y-intercept(s): (0, 52.5)

Step-by-step explanation:

To find the x-intercept, substitute in  0  for  y  and solve for  x. To find the y-intercept, substitute in  0 for x and solve for y .

f(x)=y

(x)=x

<u>x-intercept</u>

To find the x-intercept(s), substitute in  0  for  y  and solve for  x .

f(x) = x ^ 3 - 8x ^ 2 + 17x - 10.5(x - 5

=\bold{0}=x^3-8x^2+17x-10.5\left(x-5\right)

=0\cdot \:10=x^3\cdot \:10-8x^2\cdot \:10+17x\cdot \:10-10.5\left(x-5\right)\cdot \:10

=0=10x^3-80x^2+170x-105\left(x-5\right)

=0=10x^3-80x^2+65x+525

=10x^3-80x^2+65x+525=0

=10x^2-99.90071\dots x+263.80959\dots \approx \:0

\bold{x\approx \:-1.99007\dots}

<u>y-intercept</u>

f(x) = x ^ 3 - 8x ^ 2 + 17x - 10.5(x - 5

=y=\bold{0}^3-8(\bold{0})^2+17(\bold{0})-10.5\left(\bold{0}-5\right)

=y=0-8\cdot \:0+17\left(0\right)-10.5\left(0-5\right)

=y=0-8\cdot \:0+17\cdot \:0-10.5\left(0-5\right)

=y=0-0+0-\left(-52.5\right)

=0-0+0+52.5

\bold{y=52.5}

8 0
2 years ago
Which expression gives the closest estimate of 228 – 179?
Oxana [17]

Answer:

show the picture

Step-by-step explanation:

7 0
3 years ago
Angela shared a cab with her friends. When they arrived at their destination, they evenly divided the $j fare among the 3 of the
NeX [460]

Total number of friends = 3

Let the fare be = $ J

As it is equally divided, each friend has to pay \frac{J}{3} amount

Angela paid $5 additional as tip so her share is \frac{J}{3}+5

Hence,Angela paid $\frac{J}{3}+5 in total.

3 0
4 years ago
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Can someone help me with this please
Inessa05 [86]

Answer:

You multiply them 2x each time.

Step-by-step explanation:

Multiply

6 0
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