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3 years ago

What is one fifth of a thousand?

Mathematics

2 answers:

olasank [31]3 years ago

7 0

One fifth of a thousand is 200

Temka [501]3 years ago

3 0

Hello and good morning the answer is two hundred

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1. Graph the set of integers (-2, -5, 1} on a number<br> line.

ivanzaharov [21]

Answer: Its below

Step-by-step explanation:

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3 years ago

What is the probability of the spinner landing on 1 or 3

yan [13]

Answer:

Assuming there are 3 possibilities for the spinner, the answer is $\frac{2}{3}$

Step-by-step explanation:

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3 years ago

Complete a piecewise function that describes the graph.

trapecia [35]

Answer:

$y=\left \{ \begin{array}{l}-x^2-4x-1,\ x$

Step-by-step explanation:

Left part of the graph is the graph of the parabola passing through the points (-2,3), (-3,2) and (-4,-1). If the equation of the parabola is $y=ax^2+bx+c,$ then

$3=a\cdot (-2)^2+b\cdot (-2)+c\Rightarrow 3=4a-2b+c\\ \\2=a\cdot (-3)^2+b\cdot (-3)+c\Rightarrow 2=9a-3b+c\\ \\-1=a\cdot (-4)^2+b\cdot (-4)+c\Rightarrow -1=16a-4b+c$

Subtract first two equations and last two equations:

$-1=5a-b\\ \\-3=7a-b$

Suybtract these two equations:

$-2=2a\Rightarrow a=-1$

So $-1=5\cdot (-1)-b\Rightarrow b=-5+1=-4$

Substitute into the first equation:

$3=4\cdot (-1)-2\cdot (-4)+c\Rightarrow c=3+4-8=-1$

The equation of the parabola is $y=-x^2-4x-1$

The right part of the graph is translated 1 unit to the right and 1 unit down graph of the function $y=\dfrac{1}{2}|x|$ , so it has the equation $y=\dfrac{1}{2}|x-1|-1$

Hence, the piece-wise function is

$y=\left \{ \begin{array}{l}-x^2-4x-1,\ x$

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3 years ago

Help me please <br><br> Whats the product

raketka [301]

Answer:

(-9)(2)= -18

Step-by-step explanation:

since there are no signs in this expression, we will multiply. always remember, a negative times a positive will always be negative. just multiply 9 and 2 and you get 18. then add a negative sign. -18

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3 years ago

Read 2 more answers

Solve 2(1-x)>2 <br> .....

Mnenie [13.5K]

2(1-x)>2

1-x>1

-1+x<-1

X<0

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3 years ago