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UkoKoshka [18]
3 years ago
6

Let x1, x2, and x3 represent the concentration of rose oil in each sample. Fill in the matrix equation2.2 2.7 2.35

Mathematics
1 answer:
Sholpan [36]3 years ago
7 0

Answer:

Step-by-step explanation:

244

424

What are the concentrations in percent?

x1 =

⇒ 50%  

x2 =

⇒ 25%

x3 =

⇒ 5%

172

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Makovka662 [10]
The answer is 26.19. It’s 100% right.
4 0
2 years ago
Amy, Doug, and Ginger took a math test. Amy scored 12 points higher than Doug, and Ginger scored twice as many points as Doug. T
lakkis [162]
Amy(A): D + 12
Doug(D):D
Ginger(G):2D
SumOfAll(S)=208 : Total points / sum of all three friends

(D+12)+D+2D=208
D+12+3D=208 - transpose 12 to the right side
4D=208-12 
4D = 196   - divide both sides by 4
D=49
Therefore, Doug scored 49

7 0
3 years ago
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An airplane covers 94 miles in 1/6 of an hour. How many miles the plane can cover in 6 hours?
jeyben [28]

Let's find what 1/6 of an hour is.

1/6×60=10

So, ten minutes is equal to 1/6 of an hour. Let's find hour many sets of 10 minutes are in six hours. Let's first find the amount of minutes.

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360÷10

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Let's multiply that by 94.

94×36

3,384 miles in 6 hours.

7 0
3 years ago
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What is the second step to solve this x/2-5=1
sveta [45]

Answer:

X = -3

Step-by-step explanation:

X/2-5 = 1

X/-3 = 1

Multiply both sides by -3 to isolate x

X = -3

5 0
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How many cookies do you put in one pan? (To go in the oven)
Aloiza [94]

Answer:

12

Step-by-step explanation:

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