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3 years ago

I have tried this like 10 diffrent ways -3(r+9)=-32

Mathematics

2 answers:

VLD [36.1K]3 years ago

8 0

I hope this helps you

KonstantinChe [14]3 years ago

5 0

Distribute -3 to parenthasees
-3(r+9)=-3r-27

now we have
-3r-27=-32
add 27 to both sides
-3r+27-27=27-32
-3r+0=-5
-3r=-5
divide both sides by -3
r=-5/-3
r=5/3

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After 4 months

Step-by-step explanation:

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So equation would be: 35 + 90x

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3 years ago

Factor: 128 + 2d^3 cubes lol

BARSIC [14]

The factorization if the given expression 128 + 2d³ is 2(64 + d³).

<h3>Factorization</h3>

128 + 2d³

There are two parameters in the expression;

128
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The common factors between 128 and 2d³ is 2

So,

128 + 2d³

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brainly.com/question/25829061

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2 years ago

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Ksenya-84 [330]

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3 years ago

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3 years ago

A and b are independent. calculate p(a or b.if p(a) = 0.22 and p(b) = 0.24.

ziro4ka [17]

If events A and B are independent,
For mutually exclusive then p(A or B) = p(A) + p(B).

For not mutually exclusive then p(A or B) = p(A) + p(B) - p(A and B)
And: p(A and B) = p(A) * p(B)

Given: p(A) = 0.22 and p(B) = 0.24.

∴ p(A and B) = p(A) * p(B) = 0.22*0.24 = 0.0528


If A and B are mutually exclusive
∴ p(A or B) = p(A) + p(B) = 0.22 + 0.24 = 0.46

If A and B are not mutually exclusive
∴ p(A or B) = p(A) + p(B) - p(A and B) = 0.22 + 0.24 - 0.0528 = 0.4072

=============================================

note: Two events are mutually exclusive if it is not possible for both of them to occur, which mean the occurrence of one event "excludes" the possibility of the other event.

4 0

3 years ago