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natima [27]
3 years ago
8

A volcano on a recently discovered planet rises to a height of 16.871 mi.

Mathematics
1 answer:
Vinvika [58]3 years ago
5 0
The answer is 89078.88 ft

1 mile = 5280 feet

Multiply 16.871 by the length value of 5280

16.871 * 5280 = 89078.88 ft
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Can yall help meee please
alexira [117]

Answer:

jupiters \: mass \: is \: approximatelty \:  \\   \boxed{{6 \times 10}^{3} \: kg}  \: times, \:  \\ more \: than \: mercurys \: mass

Step-by-step explanation:

............................................................... \\ in \: other \: to \: get \: right \: ans \to \\ you \: divide \: mass \: of \: jupiter \: by \: the \: mass \\  \: of \: mercury : \: so \to \\ ............................................................... \\ jupiters \: mass = 1.898 { \times 10}^{27}  \: kg \\ mercurys \: mass =3.3 \times  {10}^{23}   \: kg \\ their \: mass \: ratio \: is :  \\  =  \frac{1.898 { \times 10}^{27}}{3.3 \times  {10}^{23}}  = 0.5751515152 \times  {10}^{4}   =  \\  \boxed{5,751.515152} \\ hence \: jupiters \: mass \: is \: approximatelty \:  \\  {6 \times 10}^{3}  \: times \: more \: than \: mercurys \: mass

5 0
3 years ago
Read 2 more answers
Joana joins a cd club. She pays $7 per month plus $10 for each cd that she orders. Write an equality to find how many cd's she c
maksim [4K]
7x+10 \leq 100

x=the number of months

So the "7x" is the $7 per month, and the "10" is the $10 for each CD being ordered. It can't be more than 100, so the "less than or equal to" sign will be used. 


6 0
3 years ago
PLEASE HELP!!! NEED ANSWERS TO THESE QUESTIONS..
yaroslaw [1]

Answer:

12. Option A is correct

13. Option A is correct

14. Option C is correct

15. Option D is correct

16. Option A is correct

Step-by-step explanation:

12) Lowest Common Denominator of

\frac{p+3}{p^2+7p+10} \,\, and \,\, \frac{p+5}{p^2+5p+6}

We should find the factors of denominators and then find the LCM of the denominators.Finding LCD is same as finding LCM.

Factors of p^2+7p+10 = p^2 +2p +5p+10 = p(p+2)+5(p+2) = (p+5)(p+2)

Factors of p^2+5p+6 = p^2+2p+3p+6 = p(p+2)+3(p+2) = (p+3) (p+2)

Now, rewriting the above equation with factors and finding the LCM

\frac{p+3}{(p+5)(p+2)} \,\, and \,\, \frac{p+5}{(p+3)(p+2)}\\

LCM of (p+5)(p+2) and (p+3)(p+2) = (p+5)(p+3)(p+2)

The LCD is (p+5)(p+3)(p+2).

So, Option A is correct.

13. Divide

\frac{40x}{64y} \,\,by\,\, \frac{5x}{8y}

by stands for division. The equation can be written as:

\frac{40x}{64y}\div\frac{5x}{8y}

Division sign changed into multiplication, we take reciprocal of second term i.e,

\frac{40x}{64y}*\frac{8y}{5x}\\\\Solving\\\frac{40x*8y}{64y*5x}\\\\\frac{320xy}{320xy} \\\\1

So, Option A is correct.

14. Simplify:

\frac{x+2}{x^2-6x-16} \div \frac{1}{9x} \\

Factors of x^2-6x-16= x^2 -8x +2x -16 = x(x-8)+2(x-8) = (x-8)(x+2)

Putting factors in the above equation and changing division sign with multiplication we get,

\frac{x+2}{(x-8)(x+2)} * \frac{9x}{1}\\\frac{9x}{x-8}

So, Option C is correct.

15. Simplify

\frac{4}{\frac{1}{4}-\frac{5}{2}}

Solving denominator,

Taking LCM of 4 and 2 and subtracting we get

\frac{4}{\frac{1-(5*2)}{4}}\\\frac{4}{\frac{1-10}{4}}\\\frac{4}{\frac{-9}{4}}\\\frac{4*4}{-9}\\\frac{16}{-9} \,\,or\,\,\\\frac{-16}{9}

Option D is correct.

16. Simplify:

\frac{7x+42}{x^2+13x+42}

Making factors of x^2+13x+42= x^2 +6x+7x+42 = x(x+6)+7(x+6) = (x+7)(x+6)

Taking 7 common from numerator and putting factors in denominator we get,

\frac{7(x+6)}{(x+7)(x+6)}\\\\Cancelling\,\, x+6 \,\, from\,\, numerator \,\, and\,\, \\\\\frac{7}{(x+7)}

Option A is correct.

8 0
3 years ago
Jan's age is 3 years less than twice Tritt's age. The sum of their ages is 30. Find their ages.
timofeeve [1]
X+2x-3=30

3x-3=30

3x=33

x=11

 

Trit is 11

 

Jan is 19   2(11)-3  =22-3  19

8 0
3 years ago
Help answer this for me it will help i will give u extra points
Agata [3.3K]

Answer:

600

Step-by-step explanation:

120/500=.24

2500 × .24=600

5 0
3 years ago
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