3 years ago

A sporting goods store is selling all their exercise equipment for 30% off.

Mathematics

1 answer:

ra1l [238]3 years ago

4 0

Answer:

weird

Step-by-step explanation:

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What does X equal? WILL GIVE BRAINLIEST!

stellarik [79]

Answer:it is 18

Step-by-step explanation:

You do 40=2x+4 then do 40-4 and get 36 then 36/2 is 18

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3 years ago

It takes Dimitri 9 minutes to make a simple bracelet and 20 minutes to make a deluxe bracelet. He has been making bracelets for

frosja888 [35]

Last one 7 and 3
9(7)+20(3)>120
63+ 60
123>120
Says 123 minutes is longer than 120 that's why it is that answer

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3 years ago

Read 2 more answers

-5=5(d+4)<br> Please give step by step

bekas [8.4K]

Answer:

first distribute the 5 to the d and 4
5(d+4) then becomes 5d+20
then subtract 20 from both sides of the equation
-5=5d+20 is now -25=5d
lastly divide 5 from both sides
-25=5d is now -5=d
hope this helps!

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3 years ago

What is the sum of the first 4 terms of a geometric sequence that has a first term of 2 and a ratio (multiplier) of 8?

taurus [48]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence} \\\\ S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ r=\textit{common ratio}\\ ----------\\ a_1=2\\ r=8\\ n=4 \end{cases} \\\\\\ S_4=2\left( \cfrac{1-8^4}{1-8} \right)\implies S_4=2\left( \cfrac{-4095}{-7} \right) \\\\\\ S_4=2(585)\implies S_4=1170$

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3 years ago

Tom jogged 3/5 mile on Monday and 2/6 mile on Tuesday how much farther did Tom joy on Monday then on Tuesday

gogolik [260]

$\bf \cfrac{3}{5}-\cfrac{2}{6}\impliedby \textit{so, we'll use an LCD of 30}\implies \cfrac{(6\cdot 3)-(5\cdot 2)}{30}
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\cfrac{18-10}{20}\implies \cfrac{8}{20}\implies \cfrac{2}{5}$

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3 years ago