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Iteru [2.4K]
3 years ago
14

johanna receives a report that says her typing speed is 65 words per minute. she knows that she made 4 errors in 5-minutes test.

how many words did she type in 5 minutes?
Mathematics
2 answers:
Marina86 [1]3 years ago
8 0
Without the errors 325 words with 305 
yarga [219]3 years ago
8 0

Answer:

325 words in 5 minutes

Step-by-step explanation:

65 times 5 = 325 words in 5 minutes

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suppose that a department contains 11 men and 17 women. how many different committees of 6 members are possible if the committee
slega [8]

If a department has 11 male employees and 17 female employees, then 198968 different committees of 6 members are possible with the condition that the committee has strictly more female employees than male.

As per the question statement, a department has 11 male employees and 17 female employees.

We re required to calculate the total number different committees that can be formed with 6 members strictly having more female employees than male.

Now for committee of 6 members to have more women than men, there can be two combinations:

(4 women and 2 men)

Or, (5 Women and 1 man).

That is, we will need to calculate the number of combinations we can have by selecting 4 female employees from a group of 17 and 2 Male employees from a group of 11 and the number of combinations we can have by selecting 5 female employees from a group of 17 and 1 Male employee from a group of 11 and add up the two number of combinations to obtain our required answer.

Then comes the most important thing to know to be able to solve this question, i.e., the formula to calculate combinations, which goes as

nCr=\frac{n!}{r!(n-r)!}

Therefore, the total number different committees that can be formed with 6 members strictly having more female employees than male is

[(17C4)*(11C2)+(17C5)*(11C1)]\\=[(2380*55)+(6188*11)]\\=(130900+68068)\\=198968

  • combination(s): In mathematics, a combination is a way of selecting items from a collection or set, where the order of selection does not matter, i.e., for example, we have a set of three numbers X, Y and Z and then, in how many ways can we select two numbers from each set, is defined by combination.

To learn more about Combinations, click on the link below.brainly.com/question/8044761

#SPJ4

7 0
2 years ago
Write an equation of the parabola that has the same shape as the graph of f(x)=3x^2, but with the point (7,-2) as the vertex
nordsb [41]

Hello!

\large\boxed{f(x) = 3(x - 7)^{2}  - 2}

Recall that the transformations form of a parabola is:

f(x) = ±a(b(x-h)) + k where:

a = vertical stretch/compression

b = horizontal stretch/compression

h = horizontal shift, x-coordinate of vertex

k = vertical shift, y-coordinate of vertex

In this instance, the parent function is f(x) = 3x^2. There is a vertical stretch of 3.

However, there is a point (7, -2) that needs to be included. Substitute these values into the transformation formula:

h = 7

k = -2

f(x) = 3(x - 7)² - 2 is the equation with (7, -2) as the vertex.

4 0
3 years ago
1. If a(b)^x-e= d then x= ?
Scilla [17]
Hi this not a answer but this can help you use photo math
4 0
3 years ago
What is th additive inverse of h
Elden [556K]
The additive inverse of a number a is the number that's added to yields zero
4 0
3 years ago
Why are there two solutions for the equation |6 + y| = 2? Explain.
GaryK [48]

Solution, \left|6+y\right|=2\quad :\quad y=-8\quad \mathrm{or}\quad \:y=-4

Steps:

|f\left(y\right)|=a\quad \Rightarrow \:f\left(y\right)=-a\quad \mathrm{or}\quad \:f\left(y\right)=a, 6+y=-2\quad \quad \mathrm{or}\quad \:\quad \:6+y=2

6+y=-2\quad :\quad y=-8,\\6+y=-2,\\\mathrm{Subtract\:}6\mathrm{\:from\:both\:sides}, 6+y-6=-2-6,\\\mathrm{Simplify}, y=-8

6+y=2\quad :\quad y=-4,\\6+y=2,\\\mathrm{Subtract\:}6\mathrm{\:from\:both\:sides},6+y-6=2-6\\\mathrm{Simplify},y=-4

\mathrm{Combine\:the\:ranges}, y=-8\quad \mathrm{or}\quad \:y=-4

\mathrm{The\:Correct\:Answer\:is\:Because\:of\:the\:absolute\:value,\:It\:could\:be\:Positive\:or\:negative.}

\mathrm{Hope\:This\:Helps!!!}

\mathrm{-Austint1414}

7 0
4 years ago
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