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3 years ago

9

Is there any difference between 58 multiplication and 85 multiplication?

2 answers:

krok68 [10]3 years ago

5 0

There is no difference, both equal 40.

mrs_skeptik [129]3 years ago

3 0

Answer:

No

Step-by-step explanation:

When multiplying the order in which you put the factors doesn't matter. GOOD LUCK !!

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If I throw a die, find the probability of throwing an odd number or a number less than 3.

Annette [7]

If you throw a die, this is what you could get:

1, 2, 3, 4, 5 or 6.

--------------

Odd Numbers: 1, 3, 5

Numbers less than Three: 1, 2

---------------

Possibility of getting 1, 2, 3 or 5:

4/6 which translates into 2/3.

---------------

Answer:

2/3

5 0

3 years ago

Simplify [2 (cos 210 + i sin 210)]^3

Dennis_Churaev [7]

After simplifying the real and imaginary parts you'd get -8i

3 0

3 years ago

Coefficient of x^2 in expansion of the binomial theorem (2x-1)^4 show your work

tekilochka [14]

Answer:

24

Step-by-step explanation:

If you use Pascal's triangle, which I did, you will look at the 5th row of the triangle which contains the numbers 1, 4, 6, 4, 1

If we expand using a = 2x and b = -1, then the expansion looks like this:

$1(2x)^4(-1)^0+4(2x)^3(-1)^1+6(2x)^2(-1)^2+4(2x)^1(-1)^3+1(2x)^0(-1)^4$

If you simplify all that down by multiplying, you'll get

$16x^4-32x^3+24x^2-8x+1$

If you don't know how to use Pascal's triangle, you need to learn. It's so very cool!

4 0

3 years ago

Please help asap I need it

Ad libitum [116K]

triangle B. because congruent is supposed to be the same shape same size but triangle b is same shape but a different size

8 0

3 years ago

In the last several weeks, 18 days saw rain and 29 days saw high winds. in the same time period 7 days saw both rain and high wi

liq [111]

Answer:

40 days saw either rain or high winds

Step-by-step explanation:

We solve this question using Venn sets.

I am going to say that:

Set A: Rain

Set B: High winds.

18 days saw rain

This means that $A = 18$

29 days saw high winds

This means that $B = 29$

7 days saw both rain and high winds.

This means that $A \cap B = 7$

How many days saw either rain or high winds?

This is

$A \cup B = A + B - A \cap B$

Sp

$A \cup B = 18 + 29 - 7 = 40$

40 days saw either rain or high winds

5 0

3 years ago