3 years ago

I am being timed and need help

Mathematics

1 answer:

Ilya [14]3 years ago

5 0

It’s an obtuse isosceles triangle !

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Need help with this continuity problem.

ira [324]

In order to be continuous everywhere, we only need to satisfy continuity at $x=10$ . For that to happen, we need to have

$\displaystyle\lim_{x\to10^-}f(x)=\lim_{x\to10^+}f(x)=f(10)$

By the function's definition, $f(10)=2(10)-2=18$ . Compute the limits:

$\displaystyle\lim_{x\to10^-}f(x)=\lim_{x\to10}2x-2=18$

$\displaystyle\lim_{x\to10^+}f(x)=\lim_{x\to10}-8x+b=-80+b$

So we must have

$18=b-80\implies b=98$

3 0

3 years ago

Solve the following system of equations:<br> 6x - 7y = 2<br> 2x = 3y = -10

Pepsi [2]

Answer:

{7, -2}

Step-by-step explanation:

6x-7y=2

2x+3y= -10

multiply the second one by -3

6x-7y=2

-6x-9x=30

-16y=32

y= -2

2x - 6 = -10

2x= -4

x= -2

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3 years ago

What is the opposite of –(–24)<br><br> And, what is the opposite of +(+15)

sweet-ann [11.9K]

Answer:

Step-by-step explanation:

hello :

the opposite of +(+15) is : +(-15)

the opposite of -(-24) is : +(-24)

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2 years ago

How many whole numbers less than 100 are multiples of 3 but not multiples of 5?

Orlov [11]

Answer:

there are 35 numbers.

Step-by-step explanation:

3, 6, 9, 12 , 15, 18, 21, 24, 27, 30, 33, 36, 39, 42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99.

I think mostly all! but not really all!

actually, is 3 - 99, just count them, but i list them.

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2 years ago

What a pear weigh 200 kilograms are 200 grams

iren [92.7K]

200,000 milligrams is the correct answer

8 0

4 years ago

Read 2 more answers