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3 years ago

Question Attached below

Mathematics

1 answer:

KIM [24]3 years ago

3 0

Answer:

third and fifth

Step-by-step explanation:

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9(p-4)=-18 what does p equals ?

EleoNora [17]

Answer:

Step-by-step explanation:

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3 years ago

Find the exact value of cos 45º in simplest form with a rational denominator.

goldenfox [79]

Answer:

$\frac{\sqrt{2} }{2}$

Step-by-step explanation:

Cos is Adjacent over Hypotenuse, (see picture below)

x/xsqrt(2)

1/sqrt(2)

sqrt(2)/2

8 0

3 years ago

Determine whether (a) x = -1 or (b) x = 2 is a solution to this equation X-8=-9

andrew11 [14]

Answer: (a) x = -1

Step-by-step explanation:

Given

x - 8 = - 9

Add 8 on both sides to isolate x

x - 8 + 8 = - 9 + 8

$\boxed{x=-1}$

Hope this helps!! :)

Please let me know if you have any questions

8 0

3 years ago

Ariyonne claims (3,6) that is the point of intersection of the lines y=4x-2 and y=1/2x+5 Is she correct? How do you know?

yan [13]

Answer:

The point of intersection of the lines is $(2,6)$ .

Thus, Ariyonne's claim is incorrect.

Step-by-step explanation:

Given equations:

1) $y=4x-2$

2) $y=\frac{1}{2}x+5$

To find the point of intersection, we need to solve the given system of equations.

In order to solve the system we will use substitution method.

We will substitute value of $y$ from first equation in the second equation and solve for $x$

So, we have

$4x-2=\frac{1}{2}x+5$

Multiplying both sides by 2 to remove fraction.

$2\times(4x-2)=2\times(\frac{1}{2}x+5)$

Using distribution.

$8x-4=x+10$

Subtracting both sides by $x$

$8x-4-x=x+10-x$

$7x-4=10$

Adding 4 to both sides.

$7x-4+4=10+4$

$7x=14$

Dividing both sides by 7.

$\frac{7x}{7}=\frac{14}{7}$

$x=2$

We can find value of $y$ by plugging in $x=2$ in the first equation.

$y=4(2)-2$

$y=8-2$

$y=6$

So, the point of intersection of the lines is $(2,6)$ .

Thus, Ariyonne's claim is incorrect.

3 0

3 years ago

which if the following describes the transformations of g(x)=-(2)^x+4 -2 from the parent function f(x)=2^x?

Pie

Compairing g(x) with f(x), we can write:

To get g(x) f(x) is:
1) Multiplied by -1.
This implies the f(x) is reflected over x-axis

2) Addition of 4 to x
This implies f(x) is shifted 4 units to left

3) Subtraction of 2 to function value.
This implies f(x) is shifted down by 2 units.

So, we can write g(x) as:

g(x) = -f(x+4) - 2

So, the correct answer to this question is option A.
Shift 4 units left, reflect over x axis and shift 2 units down

6 0

3 years ago

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