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STatiana [176]
3 years ago
7

Simplify the expression 2.75j + 2.25 - 1.5j + 3

Mathematics
1 answer:
Katarina [22]3 years ago
3 0
1.25j+5.25 would be the answer. just combine like terms
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Find three mixed numbers so that the sum is 18 and the difference between the greatest number and least number is 5 1/5
Zigmanuir [339]
Suppose y=0. That means 
<span>x+z = 18 </span>
<span>x-z = 26/5 </span>

<span>x = 58/5 </span>
<span>z = 32/5 </span>

<span>So, the largest x can be is 58/5 </span>
<span>Now, suppose we toss in y. If we subtract y/2 from both x and z, then the difference between x and z is still 26/5, and the sum is </span>

<span>(x-y/2) + y + (z-y/2) = x+z = 18 </span>

<span>For example, if y = 4, </span>

<span>x = 48/5 </span>
<span>y = 20/5 </span>
<span>z = 22/5 </span>

<span>x-z is still 26/5, and the sum is still 18. </span>
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3 years ago
5.6x10^11-1.12x10^10=
Anna35 [415]

Answer: -8.55712e+13

Step-by-step explanation:

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2 years ago
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Find r(7) for the function r(n) = 0.009n
Semmy [17]
R(7)=????

r(n)=0.009n    s0 n=7

r(7)=0.009(7)

r(7)=0.063
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Nikitich [7]
Z=110 because if you add up all the angles inside the triangle it would =180 and take the angle by z and subtract it from 180 you get your answer

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