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max2010maxim [7]
2 years ago
6

Seth’s bank charges $5 a month to maintain a checking account and $0.50 for each check Seth writes. last month, Seth paid a tota

l of $6.50 in checking account fees. How many checks did he write?
A) 1

B) 2

C) 3

D) 4
Mathematics
1 answer:
avanturin [10]2 years ago
4 0

Answer:

C) 3

Step-by-step explanation:

Because she paid 6.50, you subtract that by 5 and it will get you 1.50 and then you divide that by .50 and it gets you your answer.

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Find the greatest possible error for each measurement.<br> 10 1/8 oz
scoray [572]

<u>Answer:</u>

0.0005 oz

<u>Step-by-step explanation:</u>

Usually, the greatest number that is allowed for approximation, assuming that the number itself is obtained by approximation, is the greatest possible error of it.

It is normally half the place value of the last digit in a number.

Like here we have 10\frac{1}{8} oz which is equal to 10.125 oz. The last digit is 5 which is at the thousandth place (0.001) so the greatest possible error for this would be its half.

\frac{0.001}{2} = 0.0005 oz

3 0
3 years ago
Find the value of x. Round to the nearest tenth.
timurjin [86]

Answer:

1.6 ft

Step-by-step explanation:

If you use the Pythagorean Theorem to solve for x, you get:

x=\sqrt{2.1^2-1.4^2}

x=\sqrt{2.45} = 1.56524758425

Rounded to the nearest tenth, the answer is 1.6

8 0
3 years ago
Factor -6g + 9g.<br> 6(g + 9)<br> -g(6 – 9)<br> -g(6 + 9)<br> g(6 + 9)
Olin [163]

Answer:g(−219.6g+45.6)

Step-by-step explanation:

−6g+9g(0.6)(g+9)−g(6−9)−g(6+9)g(6+9)

−219.6g2+45.6g

=g(−219.6g+45.6)

7 0
3 years ago
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Katie keeps Staples in a box that is
amm1812

Answer:

..........

Step-by-step explanation:

3 0
3 years ago
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Alice and her friend Emma leave on different flights from the same airport. Alice's flight flies 100 miles due south, then turns
DaniilM [7]

9514 1404 393

Answer:

  Emma's flight is farther from the airport

Step-by-step explanation:

Even without doing any detailed calculation, you can see on a graph that the larger turn Alice's flight makes keeps it closer to the airport.

Emma's flight is farther from the airport.

__

The distance can be calculated using the Law of Cosines. The angle of interest is the supplement of the turn angle. Since the leg distances are the same in each case, the only variable affecting the distance from the airport is the angle measure. Again, the larger the turn, the shorter the distance from the airport. If T is the turn angle, the distance is ...

  d² = 100² +50² -2·100·50·cos(180° -T)

  d² = 12500 +10000·cos(T) . . . . . . . using cos(180°-T) = -cos(T)

  d = 100√(1.25+cos(T))

For Alice's 70° turn, the distance is ...

  d = 100√(1.25+0.342) ≈ 126.18 mi

For Emma's 50° turn, the distance is ...

  d = 100√(1.25 +0.643) ≈ 137.58 mi

Emma's flight is farther from the airport.

_____

The law of cosines formula is ...

  c² = a² +b² -2ab·cos(C)

where triangle sides are lengths a, b, c and angle C is opposite side c.

3 0
3 years ago
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