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gogolik [260]
3 years ago
11

Cuanto es (99+24)-47*(920+41)

Mathematics
1 answer:
Advocard [28]3 years ago
8 0

Answer:

-45044

Step-by-step explanation:

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8 gallons equals how many pints?​
Andrew [12]

Answer:

38

Step-by-step explanation:

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3 years ago
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3. In an experiment a scientist mixes together three substances. She mixes 18.42 g of
Harman [31]

Answer:

6.24

Step-by-step explanation:

A= 18.42g, B = 5.8g,C = 0.75g

Total = 18.42 + 5.8 + 0.75

= 24.97g

Then divided into four equal parts

= 24.97g/4

= 6.2425g

= 6.24g

7 0
3 years ago
The incline of a roller coaster is 2 times as long as its elevation, and the horizontal length of the roller coaster is 11 m mor
Gelneren [198K]
Let 
x-------> t<span>he horizontal length of the roller coaster
y------> </span>the elevation of the roller coaster
c------> t<span>he incline of a roller coaster
</span>
we know that
applying the Pythagoras theorem
c²=x²+y²-----> equation 1
c=2y-----> equation 2
x=11+y----> equation 3

substitute equation 2 and equation 3 in equation 1
[2y]²=(11+y)²+y²
4y²=11²+22y+y²+y²
2y²-22y-121=0

using a graph tool-----> to resolve the second order equation
see the attached figure

the solution is 
y=15.026 m

c=2*y-----> c=2*15.026----> c=30.052 m

the answer is
30.05 m


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3 years ago
Write equations for lines
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y=mx+b

y-y1=m(x-x1)

Ax+By= C

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Round $6.6666 to the nearest cent
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$6.67 is 6.6666 rounded to the nearest cent.
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