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Travka [436]
3 years ago
6

8 The graph of y = a cos(x + b) for 0 2 1 60 120 180 240 300 360 -1 -2 (a) Find the valu

e of a and the value of b.
a
b =
(2)
Another curve C has equation y = f(x)
The coordinates of the minimum point of Care (4, 5)
(b) Write down the coordinates of the minimum point of the curve with
equation
(O y = f (2x)
(..........
..)
(y = f(x) - 7
(..........
I (2)
(Total for Question 8 is 4 marks)
*****
1
Mathematics
1 answer:
MAVERICK [17]3 years ago
8 0

Answer:

hw que no te he podido contestar por la tarde pero si te llamo en el tercero para que

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Someone please help me!
kvasek [131]

The formula for compounded interest in this type of equation is:

A = P(1+\frac{r}{n})^{nt} where A is the amount at the end of the time period, P is the principal amount you start with, R is the interest rate, N is the amount of compound periods, and T is the time allotted for the money to gain interest.

P = 5000, R = 3% or 0.03, N = monthly so 12, T = 2 years

Plug in our given information into the equation:

A = 5000(1 +\frac{.03}{12})^{12(2)} \\ A = 5000(1 + \frac{.03}{12})^{24}

Let the calculator do the work here...

A ≈ 5308.785 which rounds to A ≈ 5308.79

Option A is your answer.

8 0
3 years ago
A study conducted in July 2015 examines smartphone ownership by US adults. A random sample of people were surveyed, and the stud
blsea [12.9K]

Answer:

Step-by-step explanation:

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6 0
3 years ago
Are all congruent rectangles similar?
shusha [124]

All congruent rectangles similar because comparable shapes are not always congruent.

Given that,

We have to find are all congruent rectangles similar.

We know that,

Each side's length and the angles that separate them match those of the other shape's corresponding sides and angles. Comparable shapes are not always congruent, whereas congruent shapes are always similar.

So,

Similar figures are not always congruent, whereas congruent figures are always similar. For similar figures, we simply take into account the shapes, however for congruent triangles, we take into account both the shapes and sizes of the figure.

Therefore, All congruent rectangles similar because comparable shapes are not always congruent.

To learn more about congruent visit: brainly.com/question/26044249

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5 0
2 years ago
Y=−2x+9 write in standard form
oksian1 [2.3K]

Answer:

2 x − y = − 9

Step-by-step explanation:

I am not 100% sure but I think this is right.

5 0
3 years ago
Read 2 more answers
SAT prep: Prove that 3x – 4 ( 5 – x ) is equivalent to 7x – 20
Alik [6]
3x -4 (5 - x) = 7x -20
3x-20+4x=7x-20
7x-20=7x-20
4 0
4 years ago
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