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Masja [62]
3 years ago
12

One hour on earth is four hours on planet S.

Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0

Answer:

The answer is 60 hours.

Step-by-step explanation:

We could use proportions to solve.

\frac{1 \: hour \: on \: earth}{4hours \: on \: planet \: s}  =  \frac{x}{240hours \:  on \: planet  \: s}

4 \times x = 4x \\ 1 \times 240 = 240

\frac{4x}{4}  =  \frac{240}{4}  \\ x = 60

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a share of wonder stock rose 4 points on Monday. on Tuesday it fell 6 points. what was it's total loss or gain​
kati45 [8]

Answer:

loss:  2 points

Step-by-step explanation:

Mathematically:  +4 - 6 = -2.  The "net" loss was 2 points.

5 0
2 years ago
Simplify -9(1-10n) - 2(3n+9)
agasfer [191]

Answer:

3 (28 n - 9)

Step-by-step explanation:

Simplify the following:

-9 (1 - 10 n) - 2 (3 n + 9)

-9 (1 - 10 n) = 90 n - 9:

90 n - 9 - 2 (3 n + 9)

-2 (3 n + 9) = -6 n - 18:

90 n + -6 n - 18 - 9

Grouping like terms, 90 n - 6 n - 18 - 9 = (90 n - 6 n) + (-9 - 18):

(90 n - 6 n) + (-9 - 18)

90 n - 6 n = 84 n:

84 n + (-9 - 18)

-9 - 18 = -27:

84 n + -27

Factor 3 out of 84 n - 27:

Answer: 3 (28 n - 9)

4 0
2 years ago
matthew drove 252 miles to his familys vacation spot his father drove twice as many miles and then thy arrived at their hotel ho
soldi70 [24.7K]
I’m not sure if it’s right but this is what i got

252
252x2 =504
504+252
756 miles?
7 0
2 years ago
What theorem has been proven here?
kipiarov [429]

Answer:

B

Step-by-step explanation:

6 0
3 years ago
Describe what your first step would be to solve the equation below : <br> 2 (x+7) = -4x + 14
Andrej [43]

Answer:

The first step to solve the equation below is to first distribute the 2 to (x+7)

Step-by-step explanation:

2 (x+7) = -4x + 14

2x + 14 = -4x + 14

3 0
2 years ago
Read 2 more answers
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