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Angelina_Jolie [31]
2 years ago
11

Solve this expression: 1001 - 7

Mathematics
1 answer:
LenKa [72]2 years ago
8 0

Answer:

1001−7

=1001−7

=1001+−7

=994

Step-by-step explanation:=994

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5/100 as a decimal in Dollar form
mina [271]

Answer:

$0.05

Step-by-step explanation:

Hope it helps and have a great day =D

5 0
2 years ago
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One half of your CDs are scratched. One fifth will not play properly. You have 40 CDs. How many will not work play properly
kvasek [131]
1/2 of 40= 20

40/5=8

20+8=28

28 of your CDs will not work properly.

I hope this helps!
6 0
3 years ago
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a man invested a total of $3,000 in two investments. he made a profit of 3% on the first investment and 4% on the second investm
klio [65]
Let the first investment be x
and second be 3000-x

so 3%of x + 4% of (3000-x) = 107
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7 0
3 years ago
Find the inverse of the function and then determine whether the inverse is a function.
klemol [59]

as you already know, we start off by doing a quick switcheroo on the variables, and then we solve for y to get the inverse,


\bf y=x^2+4\implies \stackrel{switcheroo}{x = y^2+4}\implies x-4=y^2\implies \pm\sqrt{x-4}=\stackrel{f^{-1}(x)}{y}


and if you run a vertical line test on that expression, you'll find that it doesn't pass it, meaning is not a function.

7 0
3 years ago
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How do you work this out? need help asap
Svetlanka [38]
Hello,

Line 1 is passing through (-4,3), (-2,7) has a slope of (3-7)/(-4+2)=2

Line 2 is passing through (2,9), (4,1) has a slope of (9-1)/(2-4)=-4

One other way:

y=9-1/2 x²
y'=-x

gradient 1=-(-2)=2 for point (-2,7)

gradient 2=-(4)=-4 for point(4,1)



6 0
3 years ago
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