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Natalka [10]
2 years ago
12

Sue ran 27 miles before she blistered her heel, and then she walked 1 additional mile. Her running speed was 18 times as fast as

her
walking speed. She was running and walking for 5 hours.
Mathematics
1 answer:
natulia [17]2 years ago
4 0

Answer:

Well I think either you already solved this or you forgot to put down the question.... Stay safe and have a great weekend... :)

Step-by-step explanation:

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A webmaster makes $24 an hour for the first 38 hours she works during a week and $31 an hour for each hour worked over$38 hours.
Luden [163]
X \leq 38       ->     24x
x > 38        ->      31(x-38) + 912

912 = 24*38   (You will have to have 38 hours to be able to be in this part of the piece wise function)
3 0
3 years ago
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Math. plese help.....................
Nitella [24]
I think C Jarilyn and Tara
4 0
3 years ago
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what is the polynomial function of lowest degree with leading coefficient of 1 and roots 2 and 1 + square root2
Marta_Voda [28]
If the roots to such a polynomial are 2 and 1+\sqrt2, then we can write it as

(x-2)(x-(1+\sqrt2))

courtesy of the fundamental theorem of algebra. Now expanding yields

(x-2)(x-1-\sqrt2)=x^2-2x-(1+\sqrt2)x+2(1+\sqrt2)=x^2-(3+\sqrt2)x+2+2\sqrt2

which would be the correct answer, but clearly this option is not listed. Which is silly, because none of the offered solutions are *the* polynomial of lowest degree and leading coefficient 1.

So this makes me think you're expected to increase the multiplicity of one of the given roots, or you're expected to pull another root out of thin air. Judging by the choices, I think it's the latter, and that you're somehow supposed to know to use 1-\sqrt2 as a root. In this case, that would make our polynomial

(x-2)(x-(1+\sqrt2))(x-(1-\sqrt2))=x^3-4x^2+3x+2

so that the answer is (probably) the third choice.

Whoever originally wrote this question should reevaluate their word choice...
5 0
3 years ago
Find the area of the polygon. A = __ft squared
Nataliya [291]

Answer:

28.5^2

Step-by-step explanation:

The formula is, b(base)+c(height)= b+c over 2.  b+c/2.

B=19ft in this problem.

C=38ft

Knowing this, we can further simplify.

19+38/2

Now, we add 19 and 38.

(57)

57/2= 28.5

So, the anwser is 28.5^2

8 0
2 years ago
for every 15 Columns of news stories in a newspaper for Columns of Ads are required if a newspaper contains 300 Columns of new s
-Dominant- [34]

Answer:

i think if it were me i whould divide 300 dide 15


Step-by-step explanation:


6 0
3 years ago
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