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VladimirAG [237]
2 years ago
6

Find the coordinates of the midpoint of ST with endpoints S(−2, −1) and T(1, −4)

Mathematics
1 answer:
seraphim [82]2 years ago
7 0

Answer:

( -1/2, -2 1/2)

Step-by-step explanation:

To find the x coordinate of the midpoint, add the x coordinates and divide by 2

( -2+1)/2 =  -1/2

To find the y coordinate of the midpoint, add the y coordinates and divide by 2

( -1+-4)/2 = -5/2 = -2 1/2

( -1/2, -2 1/2)

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Fiona bought some socks that cost $4.95 for each pair and some belts that cost $6.55 each. Fiona spent $27.95 in all. Let a repr
Nookie1986 [14]

Answer:

4.95a + 6.55b = 27.95

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3 years ago
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What is 7.2 times 10 to the 7th power times 14.6 x 10 to the 5th power?
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7 x 10^{7}  times 14.6 x10^{5}

<em>Multiply 7 and 14.6 and add exponents</em>

Final Answer 102.2 and 10^{5}

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A school plays a series of 6 soccer matches. For each match there are 3 possibilities: a win, a draw or a loss. How
Sphinxa [80]

Answer:

There are 729 possible results are there for the series

Step-by-step explanation:

If we have n trials, each with m possible outcomes, the total number of possible outcomes is:

T = m^{n}

In this question:

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Then:

T = 3^{6} = 729

There are 729 possible results are there for the series

7 0
3 years ago
Mrs. Adesso wants to take her class on a trip to either the science center or natural history museum. The science center charges
BartSMP [9]

Answer:

  25

Step-by-step explanation:

When we write expressions for the total cost of each field visit and set them equal, we find the solution to be the ratio of the difference in fixed cost to the difference in variable cost.

  y = 75 +7x . . . . . cost for x students to visit the science center

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__

Subtracting the first equation from the second, we get ...

  0 = -25 +x

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The cost will be the same either place for 25 students.

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<em>Additional comment</em>

Here, the fixed cost difference is 75-50=25, and the variable cost difference is 8-7=1. The ratio of these costs is ...

  $25/($1 /student) = 25 students.

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4 0
2 years ago
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