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2 years ago

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You are testing two food scales for accuracy by weighing two different types of foods.

1 answer:

vlabodo [156]2 years ago

5 0

Answer:

Sample 2.

Step-by-step explanation: Trust

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3) Two of these numbers are the same value, which ones are<br> they? 40%, .44, 14, .04, 4/10?

baherus [9]

Answer:

40% and 4/10

Step-by-step explanation:

If you convert them into decimals, they will both give the same decimals which gives 0.4

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2 years ago

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masha68 [24]

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2 years ago

Granda has 14 red roses and 7 pink roses. How many more red roses than pink roses does she have

lions [1.4K]

14-7 = 7
7 more red roses than pink roses

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3 years ago

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A box of candy had 10 chocolate pieces for every 8 caramel pieces. If the box had 40 caramel pieces, how many chocolate pieces w

kherson [118]

Answer:

If the box had 40 caramel pieces there would be 42 pieces of chocolate

hope it's right and hope it helps you!

Step-by-step explanation:

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3 years ago

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

jonny [76]

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

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

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3 years ago