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Mice21 [21]
4 years ago
11

PLEASE HELP ASAP

Mathematics
2 answers:
Softa [21]4 years ago
8 0

Answer:

D

Step-by-step explanation:

You can clearly see that D is NOT a right angle.

(I know I'm late, but I'm answering just in case anyone else comes here.)

Archy [21]4 years ago
3 0
I feel like its either b or c
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digit at tens place of two digit number is twice the digit at units place .if sum of this number and the no.formed by reversing
Dima020 [189]
Let the number be     xy ,

xy = 10x + y.   when reversed = yx = 10y + x

x = 2y          ........(a)

10x + y + 10y + x = 66.........(b)

10(2y) + y + 10y + 2y = 66

20y + y + 10y + 2y = 66

33y = 66

y = 66/33

y = 2

x = 2y = 2*2 = 4

Recall the original number is xy =     42.
8 0
3 years ago
Ap calc multiple choice question; attached below<br> please explain how, please!
anygoal [31]

Answer:

C. \frac{f(b)-f(1)}{b-1}=20

General Formulas and Concepts:

<u>Calculus</u>

  • Mean Value Theorem (MVT) - If f is continuous on interval [a, b], then there is a c∈[a, b] such that  f'(c)=\frac{f(b)-f(a)}{b-a}
  • MVT is also Average Value

Step-by-step explanation:

<u>Step 1: Define</u>

f(x)=e^{2x}

f'(c) = 20

Interval [1, b]

<u>Step 2: Check/Identify</u>

Function [1, b] is continuous.

Derivative [1, b] is continuous.

∴ There exists a c∈[1, b] such that f'(c)=\frac{f(b)-f(a)}{b-a}

<u>Step 3: Mean Value Theorem</u>

  1. Substitute:                    20=\frac{ f(b)-f(1)}{b-1}
  2. Rewrite:                        \frac{ f(b)-f(1)}{b-1}=20

And we have our final answer!

5 0
3 years ago
What is an equation of the line that is perpendicular to y= −3/4x +6 and passes through the point (3, 9) ?
olga2289 [7]

Perpendicular lines have opposite reciprocals from the original line.

Original line: y=-3/4x+6

Perpendicular line: y=4/3x+b

Solve for b by plugging in the given coordinates (3,9) for x and y respectively.

9=4/3(3)+b

Multiply 4/3*3.

9=4+b

Subtract 4 from both sides.

5=b

Now, with b and the slope, you can write the equation:

y=4/3x+5

I hope this helps :)


8 0
4 years ago
ℜ 0, -180 is the same rotation as _______.
Gelneren [198K]

Answer:

0 to -180 is the same rotation as -180 to -360

Step-by-step explanation:

0 to -180 is clockwise direction. since the rotation is of a total of 180 degrees, which means that from any angle, it has to rotate an extra 180 degree clockwise. Furthermore, another answer could be from 180 to 0, or 90 to -90, etc.

4 0
3 years ago
Read 2 more answers
You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Wri
Effectus [21]

Answer:

You can buy 5 CD's

Step-by-step explanation:

59.95 ÷ 11.99 = 5

Equation:

11.99x  \leq59.95x \leq5

8 0
3 years ago
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