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Morgarella [4.7K]
2 years ago
14

HURRY IM TIMED PLEASE I WILL GIVE BRAINLIST

Mathematics
2 answers:
Travka [436]2 years ago
6 0
9c + 5ab/ 11c is the simplified answer
Kay [80]2 years ago
6 0

Answer:

When you divide, you find the reciprocal (flip the numerator and denominator) of the number after the division sign and then multiply.

9/11 divided by 5/11

9/11 x 11/5

9/5

1 4/5

The value of a is 1, b is 4, and c is 5.

:)

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Let ∠D be an acute angle such that cosD=0.64. Use a calculator to approximate the measure of ∠D to the nearest tenth of a degree
Aleks04 [339]

Answer:

50.2 degreees

Step-by-step explanation:

I did math

7 0
3 years ago
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I need help fast! This is polynomials help
antiseptic1488 [7]

Answer:

  • incorrect
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Step-by-step explanation:

A + B = (-4x^2 +2x -5) +(3x^2 +6) = x^2(-4+3) +x(2) +(-5+6) = -x^2 +2x +1

  The given sum is Incorrect.

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A - C = (-4x^2 +2x -5) -(-5x -4) = -4x^2 +x(2+5) +(-5+4) = -4x^2 +7x -1

   The given difference is Correct.

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B + C = (3x^2 +6) +(-5x -4) = 3x^2 -6x +2

  The given sum is Incorrect.

5 0
3 years ago
What is the answer to 2a+3=9a-4
bixtya [17]
Solve for a by simplifying both sides of the equation, then isolating the variable.
a = 1
5 0
3 years ago
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The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its
madam [21]

Answer:

y = 4 sin(½ x) − 3

Step-by-step explanation:

The function is either sine or cosine:

y = A sin(2π/T x) + C

y = A cos(2π/T x) + C

where A is the amplitude, T is the period, and C is the midline.

The midline is the average of the min and max:

C = (1 + -7) / 2

C = -3

The amplitude is half the difference between the min and max:

A = (1 − -7) / 2

A = 4

The maximum is at x = π, and the minimum is at x = 3π.  The difference, 2π, is half the period.  So T = 4π.

Plugging in, the options are:

y = 4 sin(½ x) − 3

y = 4 cos(½ x) − 3

Since the maximum is at x = π, this must be a sine wave.

y = 4 sin(½ x) − 3

4 0
3 years ago
What is the remainder when P(x)=2x3-3x2-5x-6 is divided by (x-3)
balu736 [363]

Answer:

remainder = 6

Step-by-step explanation:

Hope it helps.....

4 0
3 years ago
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