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3 years ago

Lauren is going to invest in an account paying an interest rate of 3.4% compounded

1 answer:

6 0

The answer would be 7615.7
Suppose x needs to be invested
So x.(1+3.4%)^8=13000
X. 1.034^8=13000
X=13000
———-
1.034.8
X= 7615.7

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Factor fully. Show all work. a) 27m²−3 b) 10x³+5x²−50xy−25y

liq [111]

Answer:

$3(3m + 1)(3m - 1)$

Step-by-step explanation:

${27m}^{2} - 3$

Factorise

$3( {9m}^{2} - 1)$

Rewrite it

$3(( {3m)}^{2} - {1}^{2} )$

$3(3m + 1)(3m - 1)$

6 0

2 years ago

The mean number of accidents a week at a company is 6.4 with a standard deviation of 1.5. What proportion of weeks would you exp

julia-pushkina [17]

Answer:

0.17619

Step-by-step explanation:

We solve using z score formula

= z = (x-μ)/σ,

where x is the raw score = 5 accidents

μ is the population mean = 6.4 accidents

σ is the population standard deviation = 1.5

z = 5 - 6.4/1.5

= -1.4/1.5

= -0.93333

Approximately to 2 decimal places = -0.93

Determining the probability value from Z-Table:

P(x< 5) = P(z = -0.93) = 0.17619

Converting this to percentage =

The probability of weeks you would expect to have less than 5 accidents is

0.17619

We are asked in the question:

What proportion of weeks would you expect to have less than 5 accidents?

Proportion is also the same as:

Therefore, the proportion of weeks that you expect to have less than 5 accidents = 0.17619

3 0

4 years ago

Lily had 95 inches of yarn. After cutting 4 pieces that were each the same length, she had 15 inches of yarn left.

Anika [276]

Each was 10 inches because she had 95 and 95-15=40 divided by 4 = 10

6 0

3 years ago

Read 2 more answers

Which of the following statements best describes the graph of x + y = 4?

joja [24]

Answer: The correct option is, It is a line joining the points whose x and y coordinates add up to 4.

Step-by-step explanation:

The given equation is, $x+y=4$

when we take x = 1 then

$1+y=4$

$y=3$

when we take x = 2 then

$2+y=4$

$y=2$

From this we conclude that the sum of 'x' and 'y' coordinates is always equal to 4.

Hence, the correct answer is, It is a line joining the points whose x and y coordinates add up to 4.

5 0

3 years ago

OK PLEASE HELP THIS IS DUE TONIGHT PLEASE HELPPPPP

elena-s [515]

The answer is b. Abuse

8 0

3 years ago

Read 2 more answers