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yaroslaw [1]
3 years ago
14

What type of lone is x=-4

Mathematics
1 answer:
shepuryov [24]3 years ago
5 0
What is the exact question here?
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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 %

<em><u>Solution:</u></em>

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

<em><u>To find: percent error</u></em>

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

<em><u>The formula for percent error is given as:</u></em>

\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 %

8 0
3 years ago
Solve for m.<br><br> 5m+72=−2m+52
Tom [10]
M=-20/7. .........!!!!!!!!
6 0
3 years ago
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Convert number from scientific notation to standard notation 1.4×10^-8
shusha [124]

Answer:

Step-by-step explanation:

The answer is 0.000000014

8 0
3 years ago
(a) An angle measures 43 . What is the measure of its complement? (b) An angle measures 81 . What is the measure of its suppleme
vampirchik [111]
To solve the problem shown above, you must follow the proccedure shown below:

 1. By definition, Completary angles are those angles whose sum is 90 degrees and Suplementary angles are those angles whose sum is 180 degrees.

2. Keeping the information above on mind, you have:
<span>
 (a) An angle measures 43 . What is the measure of its complement?

 =90°-43°
 =47°

 (b) An angle measures 81 . What is the measure of its supplement?
</span>
 =180°-81°
 =99°

 The answers are:

 a) 47°
 b) 99°
 
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3 years ago
Read the time on the clock below.
Dmitriy789 [7]
The short line is the hand the long is the minutes that may help you.
10:25
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3 years ago
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