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aalyn [17]
1 year ago
15

- Miriam wants to paint her room green. She makes a mixture of 50% yellow paint and 50% blue paint to create the color she likes

.
What type of change occurs when
she mixes the paint?

A. chemical change
B. phase change
C. physical change
D. solution change
Mathematics
2 answers:
Scilla [17]1 year ago
7 0
C !! since both paints are visible, the two paint colors will come together and form a new color
Arada [10]1 year ago
4 0

Answer:

A. chemical change

Step-by-step explanation:

mixing two paints/chemicals together creates a chemical change to your subject in your experiment.

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Suppose 50 percent of the customers at Pizza Palooza order a square pizza, 70 percent order a soft drink, and 35 percent order b
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Answer:

Ordering a soft drink is independent of ordering a square pizza.

Step-by-step explanation:

20% more customers order a soft drink than pizza, therefore they cannot be intertwined.

Given: P(A)=0.5 & P(B)=.7

P(A∩B) =  P(A) × P(B)

=  0.5 × .7

=  0.35

P(A∪B) =  P(A) + P(B) - P(A∩B)

=  0.5 + .7 - 0.35

=  0.85

P(AΔB) =  P(A) + P(B) - 2P(A∩B)

=  0.5 + .7 - 2×0.35

=  0.5

P(A') =  1 - P(A)

=  1 - 0.5

=  0.5

P(B') =  1 - P(B)

=  1 - .7

=  0.3

P((A∪B)') =  1 - P(A∪B)

=  1 - 0.85

=  0.15

7 0
1 year ago
21.05 divided by 0.2
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Answer:

Step-by-step explanation:

8 0
1 year ago
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Which BEST explains the expression x(y − 3)? A) The factor x depends on (y − 3). B) The factor (y − 3) depends on x. C) The fact
tia_tia [17]

Answer: B

Step-by-step explanation:

5 0
2 years ago
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Pierre lifts a 60-kg crate onto a truck bed 1 m high in 3 s. Marie lifts twenty-four 2.5-kg boxes onto the same truck bed in a t
lys-0071 [83]

Answer:

Pierre operates at a greater power level than Marie.

Marie and Pierre do  the same amount of work

Step-by-step explanation:

Mass of crate=60kg

Height of truck bed=1 m

Time=3s

Pierre's work done=60\times 1\times 9.8=588J

Using formula Work done=mgh

Where m=mass of object

g=Acceleration due to gravity=9.8m/s^2

Power=\frac{w}{t}

Using the formula

Pierre's power=\frac{588}{3}=196watt

Mass of box=2.5Kg

Total number of boxes=24

Total mass of boxes=2.5\times 24=60kg

Time=2 min=2\times 60=120s

1 min=60 s

Marie;s work done=60\times 1\times 9.8=588J

Marie's power=\frac{588}{120}=4.9watt

Pierre operates at a greater power level than Marie.

Marie and Pierre do  the same amount of work

7 0
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A local convenience store in a large city closes each day at 10 P.M. The owner of the store is investigating whether mean sales
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