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Alla [95]
4 years ago
10

if here ar 8950 public libraries and 76 percent of them let us have free access to electronic books how many libraries offer fre

e access to electronic books
Mathematics
2 answers:
zhuklara [117]4 years ago
3 0
2,148. you multiply 8950 by .76 to get 6802 and then you subtract that number from 8950, getting 2148
Mamont248 [21]4 years ago
3 0
The answer is 8,602 public libraries offer free access to electronic books.
To solve this, you just take the total number of libraries(8950) and multiply it by the percentage(0.76).
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Hurryyyy <br><br> An equation is modeled below Determine the solution for the equation.
crimeas [40]

Answer:

4

Step-by-step explanation:

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4 0
3 years ago
A sum of money is placed at simple interest for 3 years at 10% annum and then the amount is invested for 3 years at the same rat
fgiga [73]

Answer:

Initial principal -$300,000

Investment amount after yr 3-$390,000

Final investment amount, after 6 yrs-$519,090

Step-by-step explanation:

Let X be the amount initially invested.

#The amount after 3 yrs of simple interest is calculated as:

I=PRT\\\\A=P+I\\\\A=X+X\times 0.1\times 3\\\\A=1.3X

#The amount after 5 yrs is calculated by compounding the amount after 3 yrs for 2 yrs at 10%:

A=P(1+i)^2\\\\471900=1.3X(1.1)^2\\\\471900=1.573X\\\\X=300000

Hence, the amount initially invested as $300,000

#Amount of invested after 6 yrs is therefore:

A=P(1+i)^n\\\\=471900\times1.1\\\\=519090

Hence, the total amount of the investment after 6 yrs is $519,090

#Substitute X in simple interest equation to find amount after 3 yrs of simple interest:

I=PRT\\\\A=P+I\\\\A=X+X\times 0.1\times 3\\\\A=1.3X\\\\=1.3\times 300000\\\\=390000

Hence, the total amount of the investment after first 3 yrs is $390,000

3 0
4 years ago
Follow the steps and write the equation represented by this graph.
xxTIMURxx [149]

Answer:

y = 4x + 3

Step-by-step explanation:

Step 1: Write the general equation

y = mx + b

Step 2: Identify b, the Y intercept (x = 0)

b is the value of y when x = 0.

From the graph, when x = 0, y = 3.

Therefore, b = 3

Step 3: The second point from graph (x, y):

P = (1, 7)

Step 4: Define m as ratio of rise / run:

m = \frac{y_2 - y_1}{x_2 - x_1}

Step 5: Put coordinates into ratio:

Using the two coordinates, (0, 3) and (1, 7), we would have,

m = \frac{7 - 3}{1 - 0}

Step 6: Perform subtraction to get slope:

m = \frac{4}{1}

m = 4

Step 7: Substitute values into y = mx + b:

Thus, plug in the values of m and b into the slope-intercept equation.

b = 3, m = 4, therefore:

y = (4)x + (3)

Step 8: Write answer:

y = 4x + 3

8 0
3 years ago
In testing for differences between the means of two dependent populations where the variance of the differences is unknown, the
vladimir2022 [97]

The degrees of freedom in testing for differences between the means of two dependent populations where the variance of the differences is unknown are: df = n - 1

<h3>What is the degree of freedom for dependent variables?</h3>

In statistics, degrees of freedom refers to the number of distinct values that can change in an evaluation without exceeding any constraints.

The degree of freedom is crucial and necessary when attempting to comprehend the significance of a test statistic and the validity of the null hypothesis.

In testing for differences between the means of two dependent populations where the variance of the differences is unknown, the degrees of freedom are: df = n - 1

Learn more about calculating degrees of freedom for dependent variables here:

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7 0
2 years ago
Sales at an airport shop has increased by 25 transactions to a total of 400 transactions per day. What is the increased transact
Zielflug [23.3K]

Answer:

6.66

Step-by-step explanation:

3 0
3 years ago
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