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Semenov [28]
3 years ago
5

What expression is equivalent to 15 x^-3 x^5/3x^7 z^5

Mathematics
1 answer:
Viefleur [7K]3 years ago
4 0
15x+83-39(-3) +6 hope this helps you
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Can someone please explain step by step to get the answer? I’m confused since I’m not sure if I have to divided or what..
LenKa [72]

Answer:

0.96

Step-by-step explanation:

40  % of 2.40 is

= (40 / 100 ) * 2.40

=  (4/10) * 2.40

= 9.6/10

= 0.96

4 0
3 years ago
Read 2 more answers
Can anyone please help me out? I have to find the Greatest Common Factor for each, thank you!​
CaHeK987 [17]

Answer:

1= 4x^2

2= 5b^4

3= 3u^2v^2w

4= 7

5= bc^3d^6

Note: ^ stands for exponents

5 0
3 years ago
What is the probability that A occurs qiven that B occurs ?
madreJ [45]
Dependent events

A and B are dependent events. This means that the outcome of B affects the outcome of A.

We have that "the probability that A occurs given that B occurs" is symbolized by

P(A|B)

This is what we want to find.

We have that:

P(A): probability that event A occurs.

P(A) = 1/4

P(B): probability that event B occurs.

P(B) = 8/9

P(A&B): probability that both events A and B occurs.

P(A&B) = 1/5

We have that:

\begin{gathered} P\mleft(A\&B\mright)=P\mleft(B\mright)\cdot P\mleft(A|B\mright) \\ \downarrow \\ \frac{P(A\&B)}{P(B)}=P(A|B) \end{gathered}

Replacing in the equation:

\begin{gathered} \frac{P(A\&B)}{P(B)}=P(A|B) \\ \downarrow\text{ since }P\mleft(A\&B\mright)=\frac{1}{5}\text{ and }P\mleft(B\mright)=\frac{8}{9} \\ \frac{\frac{1}{5}}{\frac{8}{9}}=P(A|B) \end{gathered}

Since,

\frac{\frac{1}{5}}{\frac{8}{9}}=\frac{1}{5}\cdot\frac{9}{8}=\frac{9}{40}

Then

P(A|B)=\frac{9}{40}<h2>Answer: 9/40</h2>

7 0
1 year ago
Y = -4(x + 6)(x - 8)<br> How do you write this in standard form?
In-s [12.5K]

Answer:

y = -4x^2 + 8x + 192

Step-by-step explanation:

Hi there!

Standard form: y=ax^2+bx+c

y = -4(x + 6)(x - 8)

Use the distributive property to multiply (x+6) and (x-8)

y = -4(x(x - 8) + 6(x - 8))\\y = -4(x^2 - 8x + 6x - 48)\\y = -4(x^2 - 2x - 48)

Multiply the parentheses by -4

y = -4x^2 + 8x + 192

I hope this helps!

8 0
3 years ago
I have math question can someone help me quickly?
olga55 [171]
What is the question?
7 0
3 years ago
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