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schepotkina [342]
2 years ago
10

The letters in the word 'PROBABILITY' were cut up and placed into a bag .A letter will be randomly selected from the bag. Whatis

probability in decimal from the letter selected will be 'B'? Round your anwser to the nearest tenth
Mathematics
1 answer:
Travka [436]2 years ago
4 0
ugdghhfsdfg vhhzdhuijjcdfghvvv hincha
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How much did you invest if you earned $131.60 in interest at a rate of 4% for seven years?
Ket [755]

The amount invested is $ 470

<h3><u>Solution:</u></h3>

Given that ,  we have earned $131.60 as simple interest for an amount deposit at the rate of 4% for seven years.

We have to find the amount invested.  That is, we need to find the principal sum

Let us use the simple interest formula

<em><u>The simple interest is given as:</u></em>

\text { Simple interest }=\frac{p r i n c i p a l \times \text {rate of interest } \times \text {number of years}}{100}

Here, simple interest = $ 131.60

Rate of interest = 4 %

Number of years = 7

principal = ?

Substituting the values in formula, we get

\begin{array}{l}{131.6=\frac{\text { principal } \times 4 \times 7}{100}} \\\\ {131.6 \times 100=\text { principal } \times 4 \times 7} \\\\ {13160=\text {principal } \times 28} \\\\ {\text {Principal }=470}\end{array}

Thus the amount invested is $ 470

4 0
3 years ago
Factor completely. 3x^2-3x-18 HINT: Factor out the greatest common factor first.
lubasha [3.4K]

Answer:

3(x - 3)(x + 2)

Step-by-step explanation:

take out a common factor of 3 from each term

= 3(x² - x - 6)

to factor the quadratic consider the factors of - 6 which sum to - 1

These are - 3 and + 2, hence

3x² - 3x - 18 = 3(x - 3)(x + 2) ← in factored form


3 0
3 years ago
5:15 as a equivalent ratio
natima [27]

Answer:

1:3

Step-by-step explanation:

5 is 1/3 of 15

hope this helps! :)

3 0
3 years ago
Is 2 feet longer than 30 inches
loris [4]
1 foot is 12 inches. 2 feet is 24 inches. yea so I'd say 30 inches is definitely longer
5 0
3 years ago
a cookie recipe calls for 2 1/4 cups of sugar for every 2/3 cups of flour.if you made a batch of cookies using 1 cup of flour ho
GenaCL600 [577]
Figure out how many cups of sugar are in 1/3 cup flour: 9/4÷2= 9/4÷1/2= 1 1/8. Multiply by 3: 1 1/8x3= 9/8x3/1= 27/8= 3 3/8. 3 and 3/8 cup of sugar for 1 cup flour. :)
7 0
3 years ago
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