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Gnom [1K]
3 years ago
15

0.8x+5=0.2(40-x) what is x

Mathematics
2 answers:
natita [175]3 years ago
8 0
0.8x+5=0.2(40-x)
0.8x+5=8-0.2x
0.8x=3-0.2x
1x=3
x=3
zzz [600]3 years ago
6 0
Solve for x by simplifying both sides of the equation, then isolating the variable.

x = 3
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Please help me with these geometry questions.
sashaice [31]

Answer:

1)2(lb+bh+hl)

=2(17*12+12*8+8*17)

=2(204+96+136)

=2*436

=872 in^2

2)2*pi*r(r+h)

=2*3.14*14(14+29)

=6.28*14(43)

=6.28*14*43

=3780.56 mm^2

3)A=11*4.3+3*6 +3*8+11*3(Area of each plane figure -triangle and rectangle)

=47.3+18+24+33

=122.3cm^3

4)h*(sum of II sides)+14*8+19*8+14*8+25(Area of plane surface-trapezium,rectangle,square)

=12.1(19+5)+112+152+112+25

=12.1*24+401

=290.4+401

=691.4ft^2

7 0
3 years ago
What is 1.015873015873016 to the nearest tenth
AnnZ [28]
1.015873015873016 to the nearest tenth is 1.02. The tenth place is the second number to the left of the decimal and you would round up because the third number is at least five.
I hope this helps!
8 0
3 years ago
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PLEASE HELP ASAP MARKING BRAINLEIST + 50 POINTS
Lorico [155]

Answer:

scale factor = \frac{1}{5}

Step-by-step explanation:

the scale factor is the ratio of corresponding sides, image to original, so

scale factor = \frac{V'W'}{VW} = \frac{1}{5}

3 0
2 years ago
Can someone please help me?
telo118 [61]
Yes ofc what is it :)
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3 years ago
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What does x equal in the equation 40÷x=6
padilas [110]

Answer:

x = \frac{20}{3}

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4 years ago
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