2 years ago

What equation represents this sentence?

Mathematics

2 answers:

Firdavs [7]2 years ago

8 0

Answer:

3-n=14

Step-by-step explanation:

Anna007 [38]2 years ago

3 0

Answer:

3-n=14

Step-by-step explanation less than a number!!! If a number is unkown it would be a variable, a letter,

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Alchen [17]

Answer:

-9

Step-by-step explanation:

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3 years ago

You have $28, and you want to get half-dollar coins from the bank to give to children who come into your store. What is the most

g100num [7]

Answer:

Step-by-step explanation:

You only have 28 dollars you cannot go over the amount of money that you have.

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3 years ago

Read 2 more answers

Calculus(Derivatives):

Zigmanuir [339]

$f(x)=x^3+x^2-5x-2$
$\implies f'(x)=3x^2+2x-5=(3x+5)(x-1)$

Critical points occur when $f'(x)=0$ , which happens for $x=-\dfrac53$ and $x=1$ .

Check the sign of the second derivative at each critical point to determine the function's concavity at that point. If it's concave ( $f''(x)$ ), then a maximum occurs; if it's convex ( $f''(x)>0$ ), then a minimum occurs.

You have

$f''(x)=6x+2$

and so

$f''\left(-\dfrac53\right)=-8$
$f''(1)=8>0\implies f(x)\text{ is convex at }x=1$

This means a maximum of $f\left(-\dfrac53\right)=\dfrac{121}{27}$ and a minimum of $f(1)=-5$ .

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What properties of a figure are preserved under a rotation?

Mekhanik [1.2K]

Isometries I'm guessing<span>

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You are buying bottles of glue for Mrs. Perro's class. A bottle of glue is $0.74. Which equation can be use to find the number b

BlackZzzverrR [31]

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She used all the money up so that’s how much she has

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