3 years ago

Find the difference 9 1/9 and 5 2/3

Mathematics

1 answer:

scoundrel [369]3 years ago

5 0

The answer is 3 4/9 when you subtract both numbers by each other.

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Jacob earned $370 walking dogs over the summer. He put 30% of what he earned into his savings account.

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I don't think I need to explain it, the answer is $111

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2 years ago

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Solve the inequalities for x, and match each solution to its number line graph.

rusak2 [61]

Answer:

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Step-by-step explanation:

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2 years ago

Find a_1 and d for an arithmetic sequence with these terms. a_4=9and a_7=18

jonny [76]

$\bf \begin{array}{llll}
term&value\\
-----&-----\\
a_4&9\\
a_5&9+d\\
a_6&(9+d)+d\\
&9+2d\\
a_7&(9+2d)+d\\
&9+3d=\underline{18}
\end{array}\\\\
-------------------------------\\\\
9+3d=18\implies 3d=9\implies d=\cfrac{9}{3}\implies \boxed{d=3}$

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=7\\
d=3
\end{cases}
\\\\\\
a_7=a_1+(7-1)d\implies 18=a_1+(7-1)3\implies 18=a_1+18
\\\\\\
18-18=a_1\implies \boxed{0=a_1}$

3 0

3 years ago

A company find that 4 1/4 % of the tyres are defective. The company made 28,000 tyres. How many tyres were defective?

Bumek [7]

Answer:

595 pairs of tyres are defective.

Step-by-step explanation:

4.25×28000

____

100

0.0425×28000

1190 Total no. of defective tyres

1190 divide total tyres by 2 to get the exact pairs of defective tyres.

____

595 tyresof shoes are defective.

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3 years ago

Can i get some help i suck at this lol

blsea [12.9K]

That would be 8, its in the center so forget 9 or 7.

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3 years ago