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alisha [4.7K]
3 years ago
7

Is this right and how did u do it?

Mathematics
2 answers:
NARA [144]3 years ago
6 0
I think it is correct.
viktelen [127]3 years ago
6 0
Its 16a5b2 because you distribute the power of 2 to the power of 3 (adding it basically) getting power of 5 and the power of 2 to the b variable getting b2 and to -4 which is -4x-4 and that = 16
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A bag has 30 tiles, numbered 1-30. Write the ratio even tiles to odd tiles in simplest form.
guapka [62]

Answer:

r=1

Step-by-step explanation:

<u>Ratio of Values </u>

A ratio compares two values by diving them. If the ratio is greater than one, then the value in the numerator is greater than the value in the denominator. The opposite relation gives ratios lower than 1. A ratio of 1 means both values are the same

We have a set of tiles numbered 1 to 30:

1,2,3,4,5,6...,29,30

Note that each odd-numbered tile is followed by an even-numbered tile. It means we have 15 odd tiles and 15 even tiles. The ratio is

\displaystyle r=\frac{even}{odd}

\displaystyle r=\frac{15}{15}

r=1

4 0
4 years ago
Find value of unknown angle(s) and state reason/theorem why
Anna71 [15]
Y=90° by inspection
w=180-(50+y)=160-(50+90)=40° 
x=180-(w+x)=180-(40+97)=43° 
z=180-(x+90)=180-(43+90)=47° 
3 0
3 years ago
PLEASE SOME ONE HELP ME!!
vekshin1
Do you think you could find a better picture so that I can see the complete question
5 0
4 years ago
Read 2 more answers
Please answer 76 and 77 for brainlest answer and please show work !
Anvisha [2.4K]

Answer:76 D 77 C

Step-by-step explanation:

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189x0.45 = 420 ;)

1/10•2=0.2 (2 being n)

0.2 is the max amperage for house circuit 1

House circuit2 has 3 bulbs .3amps

1/10•N=I

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8 0
3 years ago
For all parts of this problem, P(Ā)=0.75 , P(B)=0.3 , and P(B∣A)=0.15
Marianna [84]

12. I assume \bar A denotes the complement of A, so

P(A) = 1 - P(\bar A) = 0.25

Then by definition of conditional probability,

P(B\mid A) = \dfrac{P(A\cap B)}{P(A)} = \dfrac{P(A\cap B)}{0.25} = 0.15 \\\\ \implies \boxed{P(A\cap B) = 0.0375}

13. By inclusion/exclusion,

P(A\cup B) = P(A) + P(B) - P(A\cap B) = 0.25 + 0.3 - 0.0375 \\\\ \implies \boxed{P(A\cup B) = 0.5125}

6 0
2 years ago
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