3 years ago

An equations'system

1 answer:

3 0

$1. \: x = \frac{11}{9} y + \frac{5}{9} \\ x = \frac{5}{6} y + \frac{1}{6} \\ \\ 2. \: x = \frac{3}{2} y + 2 \\ x = \frac{3}{2} y + 2$

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(4,2);slope=3 help me out

ivolga24 [154]

We have a point and a slope, so let's use the point slope formula!

$(y - y1) = m(x - x1)$
where
x1=4
y1=2
and m=3

$(y - 2) = 3(x - 4) \\ y - 2 = 3x - 12 \\ y = 3x - 10$

8 0

3 years ago

What needs to be done to 21/10 to complete the problem? If you can, try to fix it yourself.

Olin [163]

Answer:

This is an improper fraction so we need to make it a mix fraction.

Step-by-step explanation:

21/10 = 10/10+10/10+1/10

10/10=1

So your final answer will be $2\frac{1}{10}$

8 0

2 years ago

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Identify a reflection about the x-axis or a reflection about the y-axis of f(x) = √-x by observing the equation of the function

olga55 [171]

Answer:

B) The base graph has been reflected about the y-axis

Step-by-step explanation:

We are given the function, $f(x)=\sqrt{-x}$ .

Now, as we know,

The new function after transformation is $g(x)=f(-x)=\sqrt{x}$ .

As, the function f(x) is changing to g(x) = f(-x) and from the graph below, we see that,

The base function is reflected across y-axis.

Hence, option B is correct.

4 0

3 years ago

The figure is a cylinder with a sphere within it.

Alenkinab [10]

Hey the answer is 2713 cm

4 0

3 years ago

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Help??I have 4 questions and im confused on all of them

KengaRu [80]

So you you are trying to find the area of sphere so you would use this formula
A=4•3.14•r^2

And you already know that the radius is 6 so you would go ahead and plug in the numbers
A=4•3.14•4^2

4^2 is 16 so your final equation would be
A=4•3.14•16

And your answer is

=452.39

4 0

3 years ago