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3 years ago

Show me how to solve 4.2÷0.6 using base 10 blocks

Mathematics

1 answer:

allochka39001 [22]3 years ago

5 0

Answer:

Step-by-step explanation:

We are to solve 4.2÷0.6 using base 10 blocks

4.2 = 42/10

0.6 = 6/10

4.2÷0.6

= 42/10 ÷ 6/10

= 42/10 * 10/6

= 42/6

= 7

Hence the required expression using base 10 block is 7

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Answer:

175

Step-by-step explanation:

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For the given problem, the average queue length is:

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2 years ago

Evaluate 5j +12 foreach listed value ofn. j= 4 j = 6

Bezzdna [24]

Answer: 32 and 42

Step-by-step explanation:

5j +12

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3 years ago

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Step-by-step explanation:

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3 years ago

If isme estimated that there are 50 students in the seventh grade class but there are actually 40 what is isme’s percent error?

Temka [501]

The percent error is 25 %

Solution:

Given that it is estimated that there are 50 students in the seventh grade class, but there are actually 40

To find: percent error

Percent error is the difference between a measured and known value, divided by the known value, multiplied by 100%

The formula for percent error is given as:

$\text{ percent error }=\frac{\text { approximate value }-\text {exact value}}{\text { exact value }} \times 100$$

Here, exact value = 40 and approximate value or estimated value = 50

Substituting the values in above formula,

$\begin{aligned}&\text { percent error }=\frac{50-40}{40} \times 100\\\\&\text { percent error }=\frac{10}{40} \times 100=\frac{100}{4}=25\end{aligned}$

Thus the percent error is 25 %

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3 years ago