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OlgaM077 [116]
3 years ago
7

CAN SOMEONE HELP ME PLEASE ?

Mathematics
2 answers:
Phoenix [80]3 years ago
8 0
First sequence is Arithmetic because the common difference is 4.

Second sequence is Geometric because it is multiplied by -2 each time.

Hope this helps :)
DENIUS [597]3 years ago
5 0
19, yes, 4
16, yes, -2
.....................
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The answer to your question is D
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The coffee jug hold four times as much as the milk jug everyone has the same sized cup but each person likes different amounts o
svetlana [45]
We will assume that each of their cups holds exactly 1 cup of liquid.  Let <em>m</em> represent milk and <em>c</em> represent coffee.
Jane = 1/2<em>m</em> + 1/2<em>c</em> to represent 1/2 milk and 1/2 coffee
Jean, June, and Joan = 3(1/4<em>m</em> + 3/4<em>c</em>) [they all 3 like the same ratio, so multiply the expression by 3], to represent 1/4 milk and 3/4 coffee
Ian = 1<em>c </em>(since he likes black coffee, his entire 1-cup dish of coffee will be coffee)
Adding these together we have:
1/2<em>m</em> + 1/2<em>c</em> + 3(1/4<em>m</em> + 3/4<em>c</em>) + 1<em>c</em>
= 1/2<em>m</em> + 1/2<em>c</em> + 3/4<em>m</em> + 9/4<em>c</em> + 1<em>c</em>
Find a common denominator:
= 2/4<em>m</em> + 2/4<em>c</em> + 3/4<em>m</em> + 9/4<em>c</em> + 1<em>c</em>
Convert the 1 whole to a fraction:
= 2/4<em>m</em> + 2/4<em>c</em> + 3/4<em /><em>m</em> + 9/4<em>c</em> + 4/4<em>c</em>
Combine your <em>m</em>'s:
= 5/4<em>m</em> + 2/4<em>c</em> + 9/4<em>c</em> + 4/4<em>c</em>
Combine your <em>c</em>'s:
= 5/4<em>m</em> + 15/4<em>c</em>
We know there is 4 times as much coffee as milk.  Looking at the two fractions we have left, we can see that 15/4<em /> = 3(5/4).  We would expect to see 4(5/4), since there is 4 times as much coffee.  That means we have 5/4 or 1 1/4 of the liquid left.
7 0
3 years ago
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