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butalik [34]
3 years ago
12

Yen calculates the product 5/8 times 24/25. Before he multiplies, he simplifies all factors. What does the problem look like aft

er he simplifies the facotrs?
Mathematics
1 answer:
ohaa [14]3 years ago
6 0

Answer:

\frac{5}{8}\times \frac{24}{25}=\frac{3}{5}

Step-by-step explanation:

Given : Yen calculates the product \frac{5}{8} times \frac{24}{25}. Before he multiplies, he simplifies all factors.

To find : What does the problem look like after he simplifies the factors?

Solution :

The product \frac{5}{8} times \frac{24}{25}

=\frac{5}{8}\times \frac{24}{25}

Now, We factor the terms

=\frac{5}{2\times 2\times 2}\times \frac{2\times 2\times 2\times 3}{5\times 5}

=\frac{5\times 2\times 2\times 2\times 3}{2\times 2\times 2\times 5\times 5}

=\frac{3}{5}

Therefore, \frac{5}{8}\times \frac{24}{25}=\frac{3}{5}

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Calculate the variance and the standard deviation of the data below 23. 19, 22, 30, 28
Alina [70]

To get the variance, start with finding the mean of your data points:

(23 + 19 + 22 + 30 + 28) / 5 = 24.4

Now take each data point and subtract the mean from it, then square that value:

23 - 24.4 = -1.4 * -1.4 = 1.96

19 - 24.4 = -5.4 * -5.4 = 29.16

22 - 24.4 = -2.4 * -2.4 = 5.76

30 - 24.4 = 5.6 * 5.6 = 31.36

28 - 24.4 = 3.6 * 3.6 = 12.96

Now get the average of those new numbers. That is your variance:

(1.96 + 29.16 + 5.76 + 31.36 + 12.96) / 5 = 16.24

The standard deviation will be the square root of the variance:

√(16.24) = 4.0299 (rounded to 4DP)

7 0
2 years ago
Please help me, I don't know how to solve it
goblinko [34]

Answer:

2a-3 and a+4

Step-by-step explanation:

Given the equation

2a²+8a -15 = 3a - 3

We are to find one of its factors

Equate the expression to zero

2a²+8a -15 = 3a - 3

2a²+8a -15 - 3a + 3 = 0

Collect the like terms

2a²+8a - 3a - 15 + 3= 0

2a²+5a - 12= 0

Factorize

2a²+8a-3a - 12= 0

2a(a+4)-3(a+4) = 0

(2a-3)(a+4) = 0

Hence the factors are 2a-3 and a+4

7 0
3 years ago
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Molodets [167]

Answer:

y = 17/4 + 9x/4

Step-by-step explanation:

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The cost of printing a catalog of the products that your company distributes is a flat rate of $52 plus $0.20 per copy. Let C re
marusya05 [52]
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3 years ago
The equation (2x^2 - 1)(3x+2) = (2x²)(3x) + (2x²)(2) + (-1)(3x)+(-1)(2) is an example
Nookie1986 [14]

The method used is Distributive Property.

<h3>What is Distributive property?</h3>

The Distributive Property is an algebraic property that is used to multiply a single value and two or more values within a set of parenthesis.

Given:

(2x² - 1)(3x+2) = (2x²)(3x) + (2x²)(2) + (-1)(3x)+(-1)(2)

Here the property used is Distributive property.

Because distributive property in this way

a*(b+c)= a*b+ a*c

This is how a is being multiplied by with b and c.

Learn more about this Distributive property here:

brainly.com/question/4136433

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