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natima [27]
4 years ago
10

If P(A)=0.3, then the probability of the complement of A is ?

Mathematics
1 answer:
KonstantinChe [14]4 years ago
7 0
C is the answer for this question
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If you wanted a 40 foot tree in your yard, how much faster would a poplar, which grows 8 feet per year, reach that goal than a r
Verizon [17]

Answer:

Not totally sure if i'm reading the question right buuuut;

the answer is (I think) a poplar would reach 40 feet high in 5 years, while the red maple would reach the goal in 8.

Step-by-step explanation:

using division, 40/8 = 5 years

40/ 5 = 8 years.

like I said, not positive I read the question correctly but I hope this helps xx have a nice day :)

5 0
4 years ago
If a = 12 and 120% of a is equal to 80\% of bthen what is a + b ?
Novosadov [1.4K]

Answer:

The answer is 30

Step-by-step explanation:

First you have to find 120% of a (12).

\frac{12}{1}  \times  \frac{120}{100}  = 14.4

Therefore; 14.4 is 80% of b, and we are trying to find 100% of b

14.4 = 80\% \\ x = 100\%

we do not know what is 100% therefore we call it *x*. In order to find this unknown value *x* we cross multiply.

14.4 \times 100\% = 80\% \times x

This is the same as saying;

14.4  \times 1 = x \times  \frac{4}{5}

100% percent would be 1 because it is the whole number we are trying to find. The 80% would be 4/5. To get 4/5 you can simply break down 80/100 ( this is 80% as a fraction).

so the new equation is: 14.4= 4/5x

We divide both sides by 4/5. Then we will get x tobe equal to 18. Therefore b is 18. We were asked to find (a + b) so.<em> </em><em>1</em><em>8</em><em>+</em><em>1</em><em>2</em><em> </em><em>=</em><em> </em><em>30</em>

4 0
2 years ago
Give three equivalent rates that describe the top speed of a tuna.
WINSTONCH [101]

Answers:

35 much faster - Shark animal

Step-by-step explanation:

so

- a swordfish is 35 much faster than a killer whale because se have to take the maximum Speed of the killer whale away from the maximum Speed of the swordfish so is: 60-25= 35

- And the animal swims a top Speed of about 0.5 Mile for minute Is the Shark animal because: One hour has 60 minutes and of we do 30:60= 0.5 Miles for minute

i hope I had help you

EXUSE ME FOR MY BAD ENGLISH BUT I AM ITALIAN

3 0
3 years ago
Read 2 more answers
You plan to replace the carpeting in the room shown. What is the area of the room
LenaWriter [7]
Answer: 198 ft^2

total Area = Area of rectangle + area of trapzoid
= base*height + .5(b1+b2)*height

9*18+.5(9+3)6
162+36
198
8 0
4 years ago
[35 Points!] Answer this for me! ill give you brainly! xo :)
n200080 [17]

Answer:

sqrt(2) sqrt(5) sqrt(2) sqrt(5)

Step-by-step explanation:

sqrt(2) sqrt(5) sqrt(2) sqrt(5)

We know sqrt(a) sqrt(b) = sqrt(ab)

sqrt(2*2) sqrt(5*5)

sqrt(4) sqrt(25)

2 * 5

10

This is a rational number

8 0
3 years ago
Read 2 more answers
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