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3 years ago

Where is the blue dot on the number line?

Mathematics

1 answer:

Keith_Richards [23]3 years ago

5 0

Answer:

-11.3

Step-by-step explanation:

You start off at -11 and count down and it ends up at -11.3

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What is the value of x?

Kruka [31]

Answer:

Step-by-step explanation:

Look at the picture.

Therefore we have:

$\dfrac{4}{3}=\dfrac{x}{2.25}$ <em>cross multiply</em>

$3x=(4)(2.25)$

$3x=9$ <em>divide both sides by 3</em>

$x=3$

5 0

3 years ago

Solve and recieve brain list

Mashutka [201]

Answer:

-x -7y=-15

y=3x-1

-x-7(3x-1)=-15

-x-21x+7=-15

-22x+7=-15

-22x=-15-7

-22x=-22

x=-22/-22

x=1

y=3x-1

y=3(1)-1

y=3-1

y=2

(1, 2)

4 0

3 years ago

What is the vertex of g(x) = –3x2 + 18x + 2?

blsea [12.9K]

Answer:

$(3,29)$

Step-by-step explanation:

There is a formula that can be used to find the x-value of the vertex of the parabola. This formula is $x=\frac{-b}{2a}$

We have the function $g(x)=-3x^2+18x+2$

From this function, we can find that

$a=-3\\b=18\\c=2$

We can plug in our know values into the formula to get

$x=\frac{-18}{2(-3)\\} \\x=\frac{-18}{-6} \\\\x=3$

Then we can plug in our x-value to find the y-value of the vertex

$g(3)=-3(3)^2+18(3)+2\\\\g(3)=-3(9)+54+2\\\\g(3)=-27+54+2\\\\g(3)=29$

This means that the vertex would be $(3,29)$

6 0

3 years ago

Alldlyziny Work Tor Errors

stiks02 [169]

Answer: The correct answer is (B)

Step-by-step explanation: No. Ari should have written the percent ratio as 5/100

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3 years ago

Read 2 more answers

In the year 2012, 12\%12%12, percent of the residents of the US moved to a different residence. Suppose that several census work

yan [13]

Answer: approximately normal (c) trust me-khan academy

Step-by-step explanation:

7 0

2 years ago