4 years ago

The difference of a number N and 9 is fewer than 4

Mathematics

1 answer:

denis23 [38]4 years ago

5 0

Any number less than or equal to 12

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Between the two of them, they teach 35 yoga classes each week. if erica teaches 13 fewer than twice as many as bo, how many clas

Nutka1998 [239]

Assume x are Erica's classes & y are Bo's classes.
x+y=35
x=2y-13
Replacing the value of x into the first equation
2y-13+y=35
3y=35+13
y=16 classes
x=2*16-13=19 classes

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3 years ago

Factor completely 3x2 + x + 7.

OlgaM077 [116]

It should be prime :DDD

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4 years ago

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In a carnival drawing, a green ticket wins $1, a yellow ticket wins $5, and a blue ticket wins $10. There are 100 green tickets,

Rashid [163]

Answer:

D) 3:10

Step-by-step explanation:

Well only blues and yellows are at least $5. there are 25 yellows and 5 blues and if you add them together there's 30 in total. Now compare that 30 to 100 and you have 30:100. In the simplest form you have to divide both sides by 10 and it becomes 3:10.

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3 years ago

Calculate f '(0) for the following continuous function. (If an answer does not exist, enter DNE.)

nordsb [41]

$\bf f(x)=|x|+4\implies f(x)=\sqrt{x^2}+4\implies f(x)=(x^2)^{\frac{1}{2}}+4
\\\\\\
\cfrac{dy}{dx}=\stackrel{chain~rule}{\cfrac{1}{\underline{2}}(x^2)^{-\frac{1}{2}}\cdot \underline{2} x}\implies \cfrac{dy}{dx}=\cfrac{x}{(x^2)^{\frac{1}{2}}}
\\\\\\
\left. \cfrac{dy}{dx}=\cfrac{x}{\sqrt{x^2}} \right|_{x=0}\implies \stackrel{und efined}{\cfrac{0}{0}}$

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3 years ago

Il give brainliest to correct answer

Len [333]

Answer:

x=18

Step-by-step explanation:

brainliest?

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3 years ago