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Dahasolnce [82]
3 years ago
13

Which correctly lists three forms of frozen water?

Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0
Hail rain and sleet is the correct answer
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Driving to your friend's house, you travel at an average rate of 35 miles per hour. On your
Mamont248 [21]

Answer:

14 miles.

Step-by-step explanation:

Let the distance traveled from home to destination = x miles.

Speed while going to friend's house = 35 miles per hour.

Speed while coming back = 40 miles per hour.

Total Time taken for the journey = 45 minutes = 0.75 hours.

Let the time taken while going to friend's house = y hours.

Therefore, the time taken while going to friend's house = (0.75 - y) hours.

To find x and y, model the speeds of both the journeys.

Speed while going to friend's house = Distance/Time.

35 = x/y.

x = 35y (Equation 1).

Speed while coming back = Distance/Time.

40 = x/(0.75 - y).

x = 40(0.75 - y) (Equation 2).

Since x = x, therefore:

35y = 30 - 40y.

75y = 30.

y = 30/75.

y = 0.4 hours.

Put y = 0.4 hours in Equation 1:

x = 35y.

x = 35(0.4).

x = 14.

Therefore, the distance between my friend's house and my house is 14 miles!!!

4 0
4 years ago
Read 2 more answers
If 12 pencils cost $4.00, how much does 20 pencils cost?
natita [175]

Answer:

$6.66

Step-by-step explanation:

20 times 4 = 80 and 80 divided by 12 is 6.66666667

4 0
4 years ago
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What is 8 to the power of tow​
kupik [55]

Answer:

64

Step-by-step explanation:

you just need to multiply 8 by itself to get it

4 0
4 years ago
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Pleaseeeee helpp<br>I'll give brainliest​
Elodia [21]
The answer is 4...,.
3 0
3 years ago
P (n), given below, is the price P in dollars for n grams of vitamins.P(n)=0.4n+5.7Complete the following statements.
Amanda [17]

(a)

In the function P(n) = 0.4n +5.7, P(n) is price of n grams of vitamins. So for the function x = P(n); x is price of n grams of vitamins.

The inverse of function determine amount of the vitamins for the known price of x dollars. So answer is,

The amount of vitamins (in grams) for a price of x dollars.

(b)

Let P(n) = x, So

x=0.4n+5.7

Replace n by x and x by n in the given equation.

n=0.4x+5.7

Simplify the equation for x.

\begin{gathered} n+0.4x+5.7 \\ n-5.7=0.4x \\ x=\frac{n-5.7}{0.4} \\ =\frac{10n-57}{4} \end{gathered}

So inverse of function is after interchange of variables,

P^{-1}(x)=\frac{10x-57}{4}

(c)

Substitute 8.3 for x in the inverse equation to obtain the valur of P^-1(8.3).

\begin{gathered} P^{-1}(8.3)=\frac{10\cdot8.3-57}{4} \\ =\frac{83-57}{4} \\ =\frac{26}{4} \\ =6.5 \end{gathered}

So answer is 6.5.

7 0
1 year ago
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