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3 years ago

PLS HELP. If the spinner shown below was used 100 times, how many times can you expect to spin a number greater than 3?

Mathematics

1 answer:

NeX [460]3 years ago

3 0

Answer:

1/5 of the times or 20 times

Step-by-step explanation:

because there are 5 sections and 1 possible answer, the answer is 100/5 and that is 20

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What is (3xy^2)(-6xy^4)

krok68 [10]

Answer:

$-18x^2y^6$

Step-by-step explanation:

we have

$(3xy^2)(-6xy^4)$

Applying property of exponents

$x^{m} x^{n}=x^{m+n}$

$(3xy^2)(-6xy^4)=(3)(-6)(x^{1+1})(y^{2+4})=(-18)(x^{2})(y^{6})=-18x^2y^6$

5 0

4 years ago

What is the value of the arithmetic series below?

xxTIMURxx [149]

Answer:

(A)-494

Step-by-step explanation:

Given the arithmetic series

$S_{19}=\sum_{k=1}^{19}4-3k$

The terms in the sequence are:

When k=1, 4-3k=4-3(1)=1
When k=2, 4-3k=4-3(2)=-2
When k=3, 4-3k=4-3(3)=-5

Therefore, the terms in the sequence are: 1, -2, -5, ...

First term, a =1

Common difference, d=-2-1=-3

The sum of an arithmetic series, $S_n=\dfrac{n}{2}[2a+(n-1)d]$

Therefore:

$S_{19}=\dfrac{19}{2}[2(1)+(19-1)(-3)]\\=9.5[2+18*-3]\\=9.5[2-54]\\=9.5*-52\\=-494$

The correct option is A.

6 0

3 years ago

PLEASE HELP! I'll literally mark BRAINLIEST if the answer is correct!

VMariaS [17]

Answer:

A: M= 100 - w=20 = M-0

( if he has 100 dollars n he buys a 5 dollar coffee every week then he will have 0 dollars left over in 20 weeks )

B. 6 weeks

6 0

3 years ago

Read 2 more answers

6.) Ryan works at Best Buy and earns $12.00 an hour. His salary is

bagirrra123 [75]

Answer:

$1.50

Step-by-step explanation:

If you had $12.00 you should have to add a dollar and 50 cents.

3 0

3 years ago

Read 2 more answers

What is the product of (9) (negative 9) (negative 1)?

Vitek1552 [10]

Answer:

Step-by-step explanation: 9 * 9 = -81 * -1 = 81

7 0

2 years ago