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rjkz [21]
3 years ago
11

Several students measured a 25mm long nail and wrote the measurements shown in the table below. Whose measurement had the greate

st percent error?

Mathematics
1 answer:
Ksivusya [100]3 years ago
3 0
Tenicia (she was the most off)
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Please help with b if you understand
vagabundo [1.1K]
I believe if I'm correct the answer is 2a  3b   4c
                                      
                                                         0      ?      f

Sorry I couldn't figure out the one with the question mark.
7 0
3 years ago
How to simply 7a+3(9+5a)?
makvit [3.9K]
To solve for this, we need to use the Distributive Property, which allows us to multiply the number/variable outside of the parenthesis by all numbers/variables inside of the parenthesis. Once we've done that, we can attempt to simplify the equation.
Our current equation is:
7a + 3(9+5a) = 0
Let's use the Distributive Property.
3(9 + 5a)
3(9) + 3(5a)
27 + 15a
Our current equation now is:
7a + 27 + 15a = 0
Combine like-terms.
15a + 7a = 22a
22a + 27 (If this is not being solved, THIS is your answer as an expression)
Subtract 27 from both sides
22a = -27
Divide both sides by 22 to get a.
a = -27/22.
If we are not solving for a, but getting an expression, your answer is:
22a + 27.
If we are solving for a, our answer is:
a = -27/22.
I hope this helps!
4 0
3 years ago
Find the Value of PT. PT=4x-6 and TQ=3x+4
barxatty [35]
We can find the value of PT from given information 
PT = 4x - 6 and TQ = 3x + 4
if PT = TQ
4x - 6 = 3x + 4
4x - 3x = 4 + 6
x = 10
now put the value of x into PT = 4x - 6
PT = 4 (10) - 6
=40 - 6
PT = 34
The value of PT = 34
4 0
3 years ago
A new car that costs $17,500 loses 25 percent of its value in the first year. How much is the loss of the value.
EastWind [94]

\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{25\% of 17500}}{\left( \cfrac{25}{100} \right)17500}\implies 4375

4 0
3 years ago
Did Meg make it home on time if she spent 22 minutes at the library. 38 minutes at her grandmas house. She walked for 17 minutes
Tomtit [17]
Not enough info to answer
4 0
3 years ago
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