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sukhopar [10]
4 years ago
10

Ms.Burnett had 144 pencils last week .She gave away 12 pencils Monday, 16 on Tuesday,20 on Wednesday ,10 on Thursday, and Friday

, 28 of the students gave her a new pencil.How many pencils does Ms.Burnett now have?
Mathematics
1 answer:
Alchen [17]4 years ago
8 0

If this is a trick question, then the answer would be 172, because the students can return the pencils. If it is a regular problem then it would be 114 pencils.

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A dress in a store costs x dollars. After a sale, the dress is reduced by 20%. Then, when it still isn't sold, it is reduced by
skelet666 [1.2K]

Answer:

64%

Step-by-step explanation:

Just trust me I did multiple examples to make sure

3 0
3 years ago
1. What is the difference between heat capacity, specific heat, and latent heat? 2. Explain what is physically meant by "Degrees
alisha [4.7K]

Answer:

1.

- Heat capacity is defined as the total amount of heat required to increase the temperature of a substance in 1°C.

- Specific heat is defined as the total amount of heat required to increase the temperature of a substance in 1°C per unit mass. Hence this property depends of the mass of the substance.

- Latent heat is the amount of energy absorbed or released by a substance in a phase change (physical change) without a change in temperature.

2.

- Degrees of freedom is the number of parameters that define the configuration of a system. For example, in a system with we want to know about the dynamic in the three dimension x,y,z and also about the rotation around a fixed axe we have four degrees of freedom.

- Equipartition theorem relates the temperature of a system with the average energy of the system (this average is taken for those degrees of freedom that appears quadratically).

I hope this is useful for you

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8 0
3 years ago
A recipe calls for 1 1/2 cups of sugar. Alexis only has measuring cups that measuring cups that measure 1/4 cup. how many times
marishachu [46]
<em>Change 1 1/2 into improper faction</em>

1 1/2 = 3/2

<em>Change 3/2 to quarters</em>

3/2 = 6/4

1 measure cups = 1/4 cup

<em>To get 6/4 cups </em>
6/4 ÷ 1/4 = 6/4 x 4/1 = 6 

He needs to fill in 6 times
3 0
3 years ago
HELP I DONT UNDERSTAND PLSS HELP :(
kirill [66]

Answer:

D

Step-by-step explanation:

The range of a graph is the span of y-values it covers.

From the graph, we can see that the span of y-values covered goes from y=-3 all the way to y=3.

However, note that at y=-3, while it is a closed circle, it is an open circle at y=3.

This means that we do <em>not</em> include y=3 in our range, but we <em>do</em> include y=-3 in our range.

So, our range is all values between -3 and 3 including -3.

In set notation, this is (and remember since this is the range, to use y):

\{y|-3\leq y

So, our answer is D.

And we're done!

3 0
3 years ago
R=5(c/a-0.3) pleaee help me solve C
USPshnik [31]

The given equation is :

R = 5(\frac{c}{a} -0.3)

Divide both sides by 5

\frac{R}{5} =\frac{c}{a} -0.3

Add 0.3 to both sides.

\frac{R}{5} +0.3=\frac{c}{a}

Multiply a on both sides.

a(\frac{R}{5}+0.3)= c

Hence  c= a(\frac{R}{5} +0.3) ... Answer

8 0
4 years ago
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