2 years ago

The points A and B of a rectangle ABCD belong to the graph of the function f(x)=

Mathematics

1 answer:

BabaBlast [244]2 years ago

7 0

Answer:

a=4; a=-8

Step-by-step explanation:

Im not very good at explaining so it should be in the picture.

-Goutham

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Delicious77 [7]

Answer:

√20

2√5

Step-by-step explanation:

It is very easy just substitute

It will be:

3 0

3 years ago

What is 200 times 40000

denis-greek [22]

200 times 40000 is 8000000.

200

x 40000

---------------

8000000

8 0

3 years ago

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What is the measure of the angle formed by the minute hand and hour hand of a clock in each case?

Morgarella [4.7K]

Answer: A
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2 years ago

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Y=2x+3 <br> y=3x+1 <br> solve the system of equations using substitution

Lynna [10]

Answer:

(2, 7 )

Step-by-step explanation:

Given the 2 equations

y = 2x + 3 → (1)

y = 3x + 1 → (2)

Substitute y = 3x + 1 into (1)

3x + 1 = 2x + 3 ( subtract 2x from both sides )

x + 1 = 3 ( subtract 1 from both sides )

x = 2

Substitute x = 2 into either of the 2 equations for corresponding value of y

Substituting x = 2 into (1)

y = 2(2) + 3 = 4 + 3 = 7

Solution is (2, 7 )

4 0

2 years ago

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Find all values of x in the interval [0,2π] that satisfy the equation sin2x=cosx. enter your answers as a list of numbers separa

yuradex [85]

$\sin(2x) = \cos(x) \\ 2 \sin(x) \cos(x) = \cos(x) \\ \cos(x) (2 \sin(x) - 1) = 0$
so
$\cos(x) = 0 > > > x = \frac{\pi}{2} + k\pi \\ \sin(x) = \frac{1}{2} > > > x = \frac{\pi}{6} + 2k\pi \\ or \: x = \frac{5\pi}{6} + 2k\pi$
$x = \frac{\pi}{2} or \frac{3\pi}{2} \\ x = \frac{\pi}{6} or \frac{5\pi}{6}$

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3 years ago