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vovangra [49]
2 years ago
7

each hour the number of bacteria in dr. nall's petri dish tripled what percent is the population compared to the population the

hour before
Mathematics
1 answer:
yan [13]2 years ago
3 0
The starting percent is 100%. After one hour, bacteria tripled, so it is 300%.
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At a college, 4/5 of the students take an English class. Of these students, 5/6 Composition. Which fraction of the students at t
Alchen [17]
If I’m doing it correctly it’s 2/3 but I haven’t done it in a while
3 0
3 years ago
The length of the base of an isosceles triangle is x. The length of a leg is 4x-6. The perimeter of the triangle is 60. Find x.
lbvjy [14]

Answer:

Perimeter of a triangle = add all sides

Both the legs of the isosceles triangle are always EQUAL.

x+4x-6+4x-6 = 60

9x-12 = 60

9x = 60+12

9x = 72

x = 8

3 0
2 years ago
A barn silo (except the top) is a cylinder. The silo is 10 m in diameter and the height is 24. What's the volume? (use 3.14 for
madreJ [45]

Volume of cylinder= /pi r square h

Taking /pi as 22/7

r= diameter/2

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h=24m

V= 22/7*5 square*24

V=22*25*24/7

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8 0
3 years ago
Voting An appropriations bill passes the U.S. House of Representatives with 49 more members voting in favor than against. If all
sukhopar [10]

Answer:

242 members voted in favor while 193 members voted against

Step-by-step explanation:

Let those that voted against be x will those in favor will be (x+49)

Since today number of voters is 435

To find x

X + (x+49) = 435

2x + 49 = 435

2x = 435 - 49

2x = 386

X = 386/2

X = 193

Therefore, those against is 193 while this in favor is 193+49 = 242

6 0
2 years ago
Im doing this problem where I have to deal with fractions that have variables in them. here is the problem. I linked the picture
AVprozaik [17]
First you should combine n/6-5n/12
that goes to 2n/12-5n/12 which equals -3n/12

then you should cross multiply -3n/12 by 1/16
12(1)=-3n(16)
12=-48n then solve for n by dividing by -48
-12/48=n simplify -1/4=n or -.25=n
7 0
2 years ago
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