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Papessa [141]
3 years ago
15

hector and maggie are having a typing test hector typed 25 words in 45 seconds maggie typed 32 words in 65 second who typed at a

slower rate.
Mathematics
1 answer:
xenn [34]3 years ago
8 0

Answer:

Maggie typed at a slower rate.

Step-by-step explanation: Maggie typed slower because 32 words/65 seconds is .49 words per second or half a word per second whereas Hector is 25 words/45 seconds or .55 words per second.

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The graph below shows two polynomial functions, f(x) and g(x): 6 f(x) 5 V -3 -2 2 3 4 g(x) -4 -5 -7 Which of the following state
olya-2409 [2.1K]

The function f(x) is a parabola. We can tell it is a even degree polynomial because the axis of reflection is a vertical line (it passes through the vertex).

In this case, f(x) has a double root at (0,1), but a parabola will have up to 2 roots.

It has a positive leading (quadratic in this case) coefficient, because it is concave up.

In the case of g(x), we can tell it is an odd degree polinomial, as it has a axis of reflection that is a line with slope m=-1. It is like it is reflected two times, one on an horizontal line and then on a vertical line.

The leading coefficient is positive because g(x) tends to infinity when x increases, and the leading coefficient is the one that has more weight for large values of x, so it has to be positive to have positive values of g(x).

Then, we can go through the statements.

O f(x) is an even degree polynomial with a negative leading coefficient. FALSE (the leading coefficient is positive)

O g(x) is an even degree polynomial with a negative leading coefficient. FALSE (it is an odd degree polynomial)

O f(x) is an odd degree polynomial with a positive leading coefficient. FALSE (it is an even degree polynomial).

O g(x) is an odd degree polynomial with a positive leading coefficient.​ TRUE

7 0
1 year ago
Use tape diagrams to calculate the solution of 30 = 5w. Then, check your answer.
Aleks04 [339]

Answer:

6

Step-by-step explanation:

<em>if</em><em> </em><em>30 = 5w</em>

then 30/5=w=6

<em>-</em><em>tape</em><em> </em><em>diagrams</em><em> </em><em>in</em><em> </em><em>picture-</em>

7 0
3 years ago
Factor by Grouping.<br><br> I’m confused can someone help me answer the question? ASAP please.
Kamila [148]

Answer:

D

Step-by-step explanation:

observe, grouping by gcd not 1

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= 28r² – 4xr + 35ry – 5xy

= 4r(7r – x) + 5y(7r –x)

= (4r + 5y)(7r – x)

4 0
2 years ago
In a recent survey 7 out of 10 people prefer coffee in the morning the rest said they prefer tea if 27 people said they prefer t
prohojiy [21]
<span>To find the answer to this equation, use the result of "27 people" who prefer tea. This is equivalent to 3 out of 10 people in the whole survey sample. Using equivalent fractions to find the total sample, we see that "3/10 = 27/x." Multiplying 3 by 9 gives 27, so multiplying 10 by 9 gives a total sample size of 90 people.</span>
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3 years ago
Which of the following inequalities is represented by the number line​
choli [55]

Answer:x > -3

Step-by-step explanation:

4 0
3 years ago
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