Please help me and I need the work :<

Mathematics

1 answer:

nasty-shy [4]3 years ago

7 0

Answer:

1/4 inch 1 inch

______ = _____

1 foot 4 feet

3 × 4 = 12

4 × 4 = 16

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Your teacher is giving you a test worth 100 points containing 40 questions. There are two‐point and four‐point questions on the

Arisa [49]

30 questions worth 2 points, and 10 questions worth 4 points.

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3 years ago

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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

I WILL AKE YOU THE BRAINLIEST EASY QUESTION

avanturin [10]

Answer:

3rd choice

Step-by-step explanation:

9/5 = 18/10 = 1.8

All your numbers are between 1 and 2, and all have a fractional part that is a whole number of tenths. 1.3, 1.5, and 1.8 will be correctly shown by dots on the 3rd, 5th, and 8th marks.