2 years ago

HELP PLS!! ASAP (problem in picture.)

Mathematics

2 answers:

Zinaida [17]2 years ago

8 0

I believe it would be a because he could flip HHH HTH HTT HHT TTT THT THH TTH

Alex777 [14]2 years ago

4 0

Answer:

Step-by-step explanation:

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2X+2Y=48<br> 3X+Y=40 <br><br> What is X and Y

marshall27 [118]

Answer:

x=8

y=16

Step-by-step explanation:

2x+2y=48

3x+y=40

Ther is many ways to solve this, one of them is clearance:

WE CLEAR AN UNLOCKED (X) AND REPLACE IT IN THE OTHER

x= (40-y)/3

2[(40-y)/3] +2y=48

(80-2y)/3 +2y=48

(80-2y+6y)/3=48

80+4y=48(3)

4y=144

y= 144/4

y=16

x=(40-y)/3

x=(40-16)/3

x=24/3

x=8

4 0

2 years ago

Please help me with this

alexandr1967 [171]

Photo has the answer

8 0

2 years ago

A tobacco company claims that the amount of nicotine in its cigarettes is a randomvariable with mean 2.2 mg and standard deviati

Genrish500 [490]

Answer:

0.0000

Unusual

Step-by-step explanation:

Given that a tobacco company claims that the amount of nicotine in its cigarettes is a random variable with mean 2.2 mg and standard deviation .3 mg.

i.e. population parameters are

$\mu =2.2 \\s = 0.3$

The approximate probability that the sample meanwould have been as high or higher than 3.1

$=P(X\geq 3.1)\\=P(Z\geq \frac{3.1-2.2}{\frac{0.3}{\sqrt{100} } } )\\=P(Z\geq 30)\\$

=0.0000

8 0

2 years ago

What is the answer 1/7+3/7=?

tatyana61 [14]

1/7+3/7=>(3+1)/7=4/7

5 0

2 years ago

Read 2 more answers

If the area of the trapezoid shown is 200 square feet, what is the height h of the trapezoid?

r-ruslan [8.4K]

Answer:

hope this helps u!

Step-by-step explanation:

8 0

1 year ago