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Anni [7]
3 years ago
15

Given that Q(x)=2x^2 +5x-3 find and simplify Q(a+h)-Q(a-h)

Mathematics
1 answer:
Semenov [28]3 years ago
5 0

Step-by-step explanation:

here is the answer. Feel free to ask for more.

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Evaluate the following<br> 1. sin(38°)<br> 2. cos(51°)<br> 3. tan(24°)
gizmo_the_mogwai [7]

Answer:

1) sin ( 38 )

Decimal form:

0.61566147

2) cos (51 )

Decimal form:

0.62932039

3)tan ( 24 )

Decimal form:

0.44522868

…

7 0
3 years ago
Which point(s) lie on the line whose equation is - 4x + 5y - 12 = 8 Select all that apply. A (5, 0) В (- 2, 2.4) (8, 5) D (10, 1
STALIN [3.7K]

Answer:

Options B, D and E

Step-by-step explanation:

Given equation is,

-4x + 5y - 12 = 8

-4x + 5y = 20

If a point given in the options lie on the line, point will satisfy the equation.

Option A.

For a point (5, 0),

-4(5) + 5(0) = 20

-20 = 20

False

Therefore, (5, 0) will not lie on the given line.

Option B

For (-2, 2.4)

-4(-2) + 5(2.4) = 20

8 + 12 = 20

20 = 20

True.

Therefore, (-2, 2.4) will lie on the given line

Option C

For (8, 5),

-4(8) + 5(5) = 20

-32 + 25 = 20

-7 = 20

False

Therefore, (8, 5) will not lie on the line.

Option D

For (10, 12)

-4(10) + 5(12) = 20

-40 + 60 = 20

20 = 20

True.

Therefore, (10, 12) will lie on the line.

Option E

For (0, 4)

-4(0) + 5(4) = 20

20 = 20

True.

Therefore, (0, 4) will lie on the line.

Options B, D and E are correct.

5 0
3 years ago
10. Read the question carefully and type your answer in the space below. *
Korolek [52]

Answer:

Greatest = 98,321

Least= 12,389

98,321>12,389

Step-by-step explanation:

there are only 5 digits. To get the greatest number, the digits with the most value should be put in front to ensure the great value.

To get the smallest number, the digits with the least value should be put in front.

The greater valued number is greater than the least valued number

5 0
3 years ago
Which equation has a graph that is a parabola with a vertex at (5, 3)?
frozen [14]

Answer: The equation that has a graph which is a parabola with a vertex at (5, 3) would be y = (x – 5)^2 + 3. The general form of a parabola which the vertex is not in the origin is expressed as y = a(x - h)^2 + k where (h,k) represents the vertex.

8 0
3 years ago
Consider the function f ( x ) = − 5 x 3 f(x)=-5x3. Determine the average rate of change (ARoC) of f f over the following interva
NeTakaya

Answer:

The average rate of change in the interval (3, 3.5) is -158.75          

Step-by-step explanation:

We are given the following function in the question:

f(x) = -5x^3

We have to find average rate of change over the interval:

x = 3 to x = 3.5

Average rate of change  =

=\dfrac{\delta f(x)}{\delta x}\\\\=\dfrac{f(x_2)-f(x_1)}{x_2-x_1}\\\\=\dfrac{-5(3.5)^3+5(3)^3}{3.5-3}\\\\= \dfrac{-79.375}{0.5}\\\\=-158.75

Thus, the average rate of change in the interval (3, 3.5) is -158.75

6 0
3 years ago
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