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3 years ago

My first question ever would be,what is 1\3 of 15?.....

Mathematics

1 answer:

Mazyrski [523]3 years ago

7 0

Answer:

‘Of’ signifies multiplication. So, multiply 1/3 by 15, which gives you 15/3, which is 5.

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-/2 points

Rom4ik [11]

Answer:

Part 1) The domain of the quadratic function is the interval (-∞,∞)

Part 2) The range is the interval (-∞,1]

Step-by-step explanation:

we have

$f(x)=-x^2+14x-48$

This is a quadratic equation (vertical parabola) open downward (the leading coefficient is negative)

step 1

Find the domain

The domain of a function is the set of all possible values of x

The domain of the quadratic function is the interval

(-∞,∞)

All real numbers

step 2

Find the range

The range of a function is the complete set of all possible resulting values of y, after we have substituted the domain.

we have a vertical parabola open downward

The vertex is a maximum

Let

(h,k) the vertex of the parabola

The range is the interval

(-∞,k]

Find the vertex

$f(x)=-x^2+14x-48$

Factor -1 the leading coefficient

$f(x)=-(x^2-14x)-48$

Complete the square

$f(x)=-(x^2-14x+49)-48+49$

$f(x)=-(x^2-14x+49)+1$

Rewrite as perfect squares

$f(x)=-(x-7)^2+1$

The vertex is the point (7,1)

therefore

The range is the interval

(-∞,1]

6 0

3 years ago

I would love some help pls, if anyone could talk me through it, that would be phenomenal I have no clue what’s going on lol

maks197457 [2]

Answer:

B) 7x - 3 = 4

Step-by-step explanation:

3x - 12 = -9

3x = 3

x = 1

A) NOPE

x - 5 = -6

x = -1

B) YES

7x - 3 = 4

7x = 7

x = 1

7 0

3 years ago

Choose Yes or No to tell if each statement is true.

polet [3.4K]

Yes, yes, yes, yes all of them are yes hope this helps also not a genius so be careful with the answers

4 0

3 years ago

Read 2 more answers

I have ten minutes to send it in.

dsp73

Refer to the attachment for answer

3 0

3 years ago

What does inverse operations mean?

jok3333 [9.3K]

Answer:

A pair of inverse operations is defined as two operations that will be performed on a number or. variable, that always results in the original number or variable. Another way to think of this is. that the two inverse operations “undo” each other.

Step-by-step explanation:

for example addition and subtraction are and divison and multiplication are, because they inverse each other.

8 0

3 years ago