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miss Akunina [59]
3 years ago
8

What is the elapsed time? start time:9:14 p.m. end time: 9:42

Mathematics
1 answer:
eduard3 years ago
5 0

Answer:

28 minutes

Step-by-step explanation:

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DaniilM [7]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
Solve by elimination:<br> 2x + 4y = 34<br> x+4y = 27<br> A (7,-5)<br> B (6,6)<br> (7,5)<br> (5,7)
julsineya [31]

Answer:

(7,5)

Step-by-step explanation:

{2x + 4y = 34

{4y = 27 - x

2x + 27 - x = 34

x=7

4y = 27 - 7

y = 5 so the answer is ( 7,5)

3 0
3 years ago
Read 2 more answers
Find the distance between G(-8,6) and H(5, 10). Round to the nearest tenth (one decimal place) if necessary.
Darya [45]

Answer:

1273888364 jsjsjsj difundió doctorado doctor

3 0
3 years ago
Find all Values of b that will make the polynomial a perfect square trinomial.
weeeeeb [17]

Answer:

10,404/334,084

Step-by-step explanation:

Given the polynomial

289r^2 - 102r + c

We are to find the value of c that will make it a perfect square

Divide through by 289

289r²/289 - 102r/289 + c/289

Half of the coefficient of r is 1/2(102/289)

Half of the coefficient of r = 102/578

Square the result

r² = (102/578)²

r² = 10,404/334,084

Hence the required constant is 10,404/334,084

8 0
3 years ago
What number should be added to both sides of the equation to complete the square?<br> x2 + 12x = 11
makkiz [27]

given:

x² + 12x = 11

perfect square:

a² + 2ab + b²

a² = x² ⇒ x * x

2ab = 12x ⇒ 2(6)x

b² = 6² ⇒ 36

x² + 12x + 36 = 11 + 36

(x+6)(x+6) = 47

Both sides must be added with 36.

6 0
3 years ago
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