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3 years ago

11

PLEASE HELP 10 POINTS!!!

2 answers:

inna [77]3 years ago

7 0

Answer:

Step-by-step explanation:

B.

Serggg [28]3 years ago

6 0

Answer:The number generator is not fair. In most of the experiments, considerably less than 60% of the selected marbles are green.

Step-by-step explanation:If ten marbles ae drawn each time , you would expect 60% of them to be green as a whole ...that would be 6 marbles out of ten....only in five trials does this even come close to 60 ... The number generator is not fair. In most of the experiments, considerably less than 60% of the selected marbles are green.

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What is the value of x?

Tom [10]

Answer:

x=21

Step-by-step explanation:

100+3x+x-4=180

100+4x-4=180

96+4x=180

4x=180-96

4x=84

x=21

7 0

2 years ago

What is the midpoint of the line segment with endpoints (-1,3) and (-5,5)?

andrew11 [14]

Answer:

(4, 5)

Step-by-step explanation:

Calculate the midpoint using the midpoint formula

midpoint = [( + ), ( + ) ]

with (, ) = (1, 2) and (, ) = (7, 8)

midpoint = [(1 + 7), (2 + 8) ]

= (4, 5)

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2 years ago

A couple needs $55,000 as a down payment for a home. If they invest the $40,000 they have at 4% compounded quarterly, how long w

slava [35]

Answer:

8 years

Step-by-step explanation:

Compound interest formula

$A(t)= A_0(1+\frac{r}{n})^{nt}$

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$55000=40000(1+\frac{0.04}{4})^{4t}$

divide both sides by 40000

$1375=(1+\frac{0.04}{4})^{4t}$

$1375=(1.01)^{4t}$

Take ln on both sides

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8 0

3 years ago

2y-18x=-26 solve for y

Alekssandra [29.7K]

2y - 18x = -26

Add 18x to both sides.

2y = -26 + 18x

Divide by 2 on both sides.

y = -13 + 9x

y = 9x - 13

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2 years ago

I need help, please!! I'll give a brainliest

kvasek [131]

Answer:

metals or metalloids

Step-by-step explanation:

I'm built different i dont know if im right about the question. im just not sure if i understood the question correctly

3 0

2 years ago