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3 years ago

What is the answer to 5/8 . 2/7 and what does the dot stand for the dot is actually a little higher

Mathematics

2 answers:

Ira Lisetskai [31]3 years ago

7 0

The dot stands for multiplication

Illusion [34]3 years ago

6 0

First, the dot stands for the "product". You have to multiply.

5/8* 2/7
= [5/ (2*4)]* (2/7)
= 5/4* 1/7 (because 2 and 2 cancel out)
= (5*1)/ (4*7)
= 5/28

The final answer is 5/28~

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HELP pleaseeee (probability again)

ICE Princess25 [194]

Answer:

Event A - 1/3

Event B - 4/9

Step-by-step explanation:

Add them together 3+4+2= 9

then put them in to fractions...

3 0

2 years ago

Need help ASAP please and thank you

noname [10]

Answer:

$-3m^{12}{n^{6} }$

Step-by-step explanation:

To begin simplifying this, we can first divide the coefficients, giving us:

$\frac{-3m^{5}n^{4} }{m^{-7} n^{-2} }$

We know that when dividing exponents, this means we need to subtract the exponent on the denominator from the numerator. This gives us:

$\frac{-3m^{5+7} n^{4+2} }{1}$

Now, simplifying this gets:

$-3m^{12}{n^{6} }$

8 0

3 years ago

Assume that f is continuous on [-4,4] and differentiable on (-4,4). The table gives some values of f'(x) x: -4, -3, -2, -1, 0, 1

kondaur [170]

$f$ will be increasing on the intervals where $f'(x)>0$ and decreasing wherever $f'(x)$ . Local extrema occur when $f'(x)=0$ and the sign of $f'(x)$ changes to either side of that point.

$f'(x)$ is positive when $x$ is between -4 and some number between -2 and -1, and also 2 (exclusive) and 4, so you can estimate that $f(x)$ is increasing on the intervals [-4, -2] and (2, 4].

$f'(x)$ is negative when $x$ is between some number between -2 and -1, up to some number less than 2. So $f(x)$ is decreasing on the interval [-1, 1].

You then have two possible cases for extrema occurring. The sign of $f'(x)$ changes for some $x$ between -2 and -1, and again to either side of $x=2$ .

4 0

3 years ago

After 4 new students joined a class, the class had 32 students.

AleksandrR [38]

Answer:

32-4=n or 4+n=32

5 0

3 years ago

ROOTS AND CUBES Can someone please help me answer all 4 following?

Alex Ar [27]

NOTES:

squared (²) means multiply that number by itself 2 times
cubed (³) means multiply that number by itself 3 times
square root (√) means 2 numbers multiplied by itself on the inside simplify to 1 of that number on the outside of the radical
cubed root (∛) means 3 numbers multiplied by itself on the inside simplify to 1 of that number on the outside of the radical

Answer: (C) 41

Step-by-step explanation:

$\quad 6^2+\sqrt[3]{125} \\= 6 \cdot 6+\sqrt[3]{5\cdot 5 \cdot 5}\\= 36 + 5\\= 41$