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4 years ago

12

Mercury, Venus, and Earth are the three planets closest to the sun. Would their combined distance l from the sun he grater or le

ss than the distance from the sun to Neptune? Show your work and justify your answer

1 answer:

OverLord2011 [107]4 years ago

4 0

Answer:

Less then neptune

Step-by-step explanation:

Neptune is the farthest away compared to the three closest added up is probably less

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I kind of under stand all of the except (d) I am so stuck

Blizzard [7]

Answer:

StIf the area of the map is 21 and the scale factor is 5:1, both of the dimensions of the flat park are multiplied by 5. If both dimensions are multiplied by 5, then the area is multiplied by (5*5)=25 times. 25*21=525.ep-by-step explanation:

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3 years ago

Butternut is a ski resort in massachusetts. one of their triple chair lifts unloads 1296 skiers per hour at the top of the slope

Andrews [41]

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4 years ago

the sixth grade pe class has a choice of playing kickball, volleyball, soccer, or free play. they can play on the upper field or

arsen [322]

Answer:

1/8

Step-by-step explanation:

kickball, volleyball, soccer, or free play = 4 choices

upper field or the lower field. = 2 choices

They have a total of 4*2 = 8 choices

We want 1 choice

That is 1 out of the 8 choices

1/8

7 0

3 years ago

Read 2 more answers

An object launched vertically from a point that is 37.5 feet above ground level with an initial velocity of 48.6 feet per second

Elis [28]

Answer: 3.675 seconds

Step-by-step explanation:

Hi, when the object hits the ground, h=0:

h=−16t^2+48.6t+37.5

0=−16t^2+48.6t+37.5

We have to apply the quadratic formula:

For: ax2+ bx + c

x =[ -b ± √b²-4ac] /2a

Replacing with the values given:

a=-16 ; b=48.6; c=37.5

x =[ -(48.6) ± √(-48.6)²-4(-16)37.5] /2(-16)

x = [ -48.6 ± √ 4,761.96] /-32

x = [ -48.6 ± 69] /-32

Positive:

x = [ -48.6 + 69] /-32 = -0.6375

Negative:

x = [ -48.6 - 69] /-32 = 3.675 seconds (seconds can't be negative)

Feel free to ask for more if needed or if you did not understand something.

8 0

3 years ago

Jake had a piggy bank dipped with nickels quarters and dimes. He noted that he had three times as many dimes as quarters and fou

prohojiy [21]

Answer:

There are 72 dimes having a total value of $7.2.

Step-by-step explanation:

Let the number of dimes be 'd', nickels be 'n' and quarters be 'q'.

Given:

Number of dimes is three times quarters

Number of nickels is four less than twice the number of dimes.

Total amount in the piggy bank is $20.20

Now, as per question:

Number of dimes is three times quarters

Framing in equation form, we get:

$d=3\times q\\d=3q\\q=\frac{d}{3}---1$

Number of nickels is four less than twice the number of dimes.

Framing in equation form, we get:

$n=2d-4----2$

Now, value of 1 dime in dollars is 0.1.

Value 'd' dimes = $0.1d ----------(A)

Value of 1 quarter = $0.25

Value of 'q' quarters = $0.25q ----------(B)

Value of 1 nickel = $0.05

Value of 'n' nickels = $0.05n ----------(C)

Now, total amount is equal to the sum of all the amounts of each type of coin.

So, adding equations (A), (B) and (C) and equating to 20.20, we get:

$0.1d+0.25q+0.05n=20.20$

Now, using equations (1) and (2), the above equation can be rewritten as:

$0.1d+0.25(\frac{d}{3})+0.05(2d-4)=20.20\\\\0.1d+\frac{d}{12}+0.1d-0.2=20.20\\\\d(0.1+0.1+\frac{1}{12})=20.20+0.2\\\\0.2833d=20.40\\\\d=\frac{20.40}{0.2833}=72$

So, there are 72 dimes in the piggy bank.

Total value of 72 dimes = 72(0.1) = $7.2

3 0

3 years ago