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3 years ago

13

Lydia earned $9.75 per hour last summer. She worked 25 hours a week. About how much did she earn in 8 weeks.

1 answer:

Kay [80]3 years ago

5 0

Lydia earned $1,950 in 8weeks

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You have a ruler of length 1 and you choose a place to break it using a uniform probability distribution. Let random variable X

salantis [7]

Answer:

Step-by-step explanation:

idek

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3 years ago

Select the correct answer. what is this series written in sigma notation? 2.5 2.5(1.2) 2.5(1.2)2 ⋯ 2.5(1.2)87 a. ∑ k = 1 87 2.5

Marat540 [252]

<u> ∑ k = 1 88 2.5 ⁢ ( 1.2 ) k</u><u> is this series written in </u><u>sigma notation. </u>

What is the series written in sigma notation?

A series can be represented in a compact form, called summation or sigma notation.
The Greek capital letter, ∑ , is used to represent the sum. The series 4+8+12+16+20+24 can be expressed as 6∑n=14n .
The expression is read as the sum of 4n as n goes from 1 to 6 .

Given:

2.5 + 2.5(1.2) + 2.5(1.2)2 + ⋯ + 2.5(1.2)87

If we look at the power it is always one less the term i.e., for first term the value of k=0.

So, the series in the form of summation can be written as

∑ k = 1 88 2.5 ⁢ ( 1.2 ) k

Learn more about sigma notation

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1 year ago

9f+7f i need the answer pleaseeeee

astraxan [27]

Answer:

it's either 32 or 16f I don't know though

3 0

2 years ago

Read 2 more answers

One cubic foot holds 7.48 gallons of water, and one gallon of water weighs 8.33 pounds. how much does 7.2 cubic feet weigh in

mixas84 [53]

Your answer is 23.01 in ounces

7 0

3 years ago

Let f(x)=x+a/x+b such that f(f(1)=0 & f(2)=-3 then a&b resctivily are.

Yuliya22 [10]

Answer:

The value of a = - 1 , And b = $\frac{ - 7 }{3}$

Step-by-step explanation:

Given as :

Function f(x) = $\frac{(x + a)}{(x + b)}$

And f(f(1)) = 0 And f(2) = - 3

Now For , x = 2 , y = - 3

I.e f(2) = $\frac{(2 + a)}{(2 + b)}$

or, - 3 = $\frac{(2 + a)}{(2 + b)}$

I.e 2 + a = - 6 - 3b

Or, a + 3b = - 8 ....... 1

Again f(f(1)) = 0

So, $\frac{(1 + a)}{(1 + b)}$ = 0

Or, 1 + a = 0

∴ a = - 1

So , put htis value of a i n eq 1 , we get value of b

So , - 1 + 3b = - 8

Or, 3b = - 7

∴ b = $\frac{ - 7 }{3}$

Hence The value of a = - 1 , And b = $\frac{ - 7 }{3}$ Answer

3 0

3 years ago