3 years ago

Translate this phrase into an algebraic expression.

Mathematics

2 answers:

Roman55 [17]3 years ago

7 0

Answer:

8+2j like you say let j be the variable and more than means+

natima [27]3 years ago

6 0

2j+8. 2j represents 2 times more then josé. + 8 because 8 more than!

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weeeeeb [17]

Answer:

Step-by-step explanation:

5 0

3 years ago

At your new job, you need to sell at least $200 worth of clothing product to earn a bonus. Each t-shirt sells for $9. How many t

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4 years ago

Calculate s5 for the sequence defined by

pantera1 [17]

ANSWER

$S_5= 42.5$

EXPLANATION

The general term of the arithmetic sequence is

$a_n=1+\frac{5}{2}n$

For the first term,we substitute $n=1$ to get,

$a_1=1+\frac{5}{2}\times 1$

$a_1=1+2.5=3.5$

Similarly

$a_5=1+\frac{5}{2}\times 5$

$a_5=13.5$

The sum of the first n-terms is given by the formula,

$S_n=\frac{n}{2}(a_1+l)$

where l is the last term.
In this case

$l=a_5=13.5$

We substitute these values to get,

$S_5= \frac{5}{2} (3.5 + 13.5)$

$S_5= \frac{5}{2} (17)$
$S_5=42.5$

We could have also used the formula,

$S_n=\frac{n}{2}(2a_1+(n-1)d)$

$S_5=\frac{5}{2}(2(3.5)+(5-1)2.5)$

$S_5=42.5$

3 0

4 years ago

Read 2 more answers

5x + y = 11 <br> 3x - y =9 <br> What is the value of x and y

tatiyna

Answer:

x=2.5 ; y=-1.5

Step-by-step explanation:

Explaination in picture