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4 years ago

How are ounces and fluid ounces different

Mathematics

2 answers:

nexus9112 [7]4 years ago

8 0

Fluid ounces are bigger than ounces and ounces is used for dry food.

Gala2k [10]4 years ago

7 0

Fluid ounces measure volume, ounces measures weight!

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Meryl needs to add enough water to 11 gallons of an 18% detergent solution to make it a 12% detergent solution. which equation c

Sliva [168]

The problem is about adding water to detergent solution to make a detergent solution.

In the problem g is taken for the number of gallons of water.

So, we can rephrase the given problem in simple words as

g gallons of water is added to 11 gallons of 18% detergent solution to get 12% detergent solution.

Let us write it in form of an equation,

g gallons of water is being added to 11 gallons of solution.

The total amount of solution will be (11 + g) gallons.

11 gallons of 18% detergent solution = 12% detergent solution.

For percent we can write over 100.

Therefore, above equation can be written as

11 × 18/100 = 12/100(g+11)

11 time 18 = 198

Therefore,

198/100 = 12/100(g+11)

Converting 198/100 into decimals, we get 1.98

We can rewrite above eqaution as

1.98 =12/100(g+11)

Dividing both sides by (g+11), we get

$\frac{19.8}{g+11}=\frac{12}{100}$

Therefore, correct option is D. 1.98/11+g = 12/100.

6 0

3 years ago

Read 2 more answers

Which quantity is proportional to 21/3

BARSIC [14]

$\frac{7}{1}$
You can simplify the top and bottom by 3

3 0

4 years ago

1. Of the light bulbs available at a store, 42% are fluorescent, 23% are labeled as long life, and 12% are fluorescent and long

Novosadov [1.4K]

Answer:

Step-by-step explanation:

Given

42% bulbs are fluorescent

23 % bulbs are long life

12% bulbs are fluorescent and long life

(i)Selected Bulb is not Fluorescent $=1-P(bulb\ i\ fluorescent)$

$=1-0.42=0.58$

(ii)Selected light bulb is fluorescent given that it is labelled as long life

$P(Fluorescent\ given\ it\ long\ life)=\frac{P(fluorescent\ and\ long\ life)}{P(long\ life)}$

$P(Fluorescent\ given\ it\ long\ life)=\frac{0.12}{0.23}=0.52$

b.Fluorescent and long life events are not independent because if a bulb is fluorescent then it may be long life

4 0

4 years ago

Question 1

Cerrena [4.2K]

#1) 4 weeks, $280
#2) (5, 38)
#3) (1, 3)
#4) Step 3
#5) (y+z=6)*-8
#6) 2x+2y=8

Explanation
#1) Setting them equal,
60x+40=50x+80

Subtract 50x from both sides:
60x+40-50x=50x+80-50x
10x+40=80

Subtract 40 from both sides:
10x+40-40=80-40
10x=40

Divide both sides by 10:
10x/10 = 40/10
x=4

Plugging this in to one of our equations,
60(4)+40=240+40=280

#2) Setting the equations equal to one another,
8x-2=9x-7

Subtract 8x from both sides:
8x-2-8x=9x-7-8x
-2=x-7

Add 7 to both sides:
-2+7=x-7+7
5=x

Plugging this in to the first equation,
8(5)-2=y
40-2=y
38=y

#3) Substituting our value from the second equation into the first one,
n-2+3n=10

Combining like terms,
4n-2=10

Add 2 to both sides:
4n-2+2=10+2
4n=12

Divide both sides by 4:
4n/4 = 12/4
n=3

Substitute this into the second equation:
m=3-2=1

#4) The mistake was made on Step 3; the 4 was left off when the equations were added.

#5) To eliminate y, we want the coefficients to be the same. To accomplish this, we will multiply the first equation by -8.

#6) In order to have infinitely many solutions, we want each coefficient as well as the constant to be a multiple of our equation. Multiplying the equation by 2, we get 2x+2y=8.

8 0

3 years ago

Read 2 more answers

What is the sum of x2+4x-2 and x2+5x+6?

earnstyle [38]

Answer is: 2x^2+9x+4

3 0

4 years ago