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Rama09 [41]
3 years ago
12

Lita estimates she will read 24 books during the summer. She actually reads 9 books. What is the percent error of her estimate?

Mathematics
2 answers:
katovenus [111]3 years ago
5 0

Answer:

Lita estimates she will read 24 books during the summer. She actually reads 9 books. What is the percent error of her estimate? 62.5%

Step-by-step explanation:

\frac{9}{24}  =  \frac{3}{8}  \\  = 0.375 \\  =  \frac{37.5}{100}  \\  = 37.5\% \\  \\ 100\% - 37.5\% \\  = 62.5\%

galben [10]3 years ago
3 0

Answer:

Step-by-step explanation:

9 out of 24 is 37.5%, so her error is 62.5%

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Usimov [2.4K]
-x + 2y = 4
2y = x + 4
y = 1/2x + 2.....slope here is 1/2. A perpendicular line will have a negative reciprocal slope. All that means is " flip " the slope and change the sign. So the slope we need is -2 (see how I flipped the slope and changed the sign)

y = mx + b
slope(m) = -2
(-2,1)...x = -2 and y = 1
now we sub and solve for b, the y int
1 = -2(-2) + b
1 = 4 + b
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-3 = b

so ur perpendicular line is : y = -2x - 3
7 0
3 years ago
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3 years ago
At the end of 10 basketball games, a teams mean score is 35 points per game. At the end of 11 games, their mean score has gone d
morpeh [17]

Their total points for the first 10 games were

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Their total points after 11 games were

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4 0
3 years ago
A line passes through (4, 5) and (8, 9). Which equation best represents the line?
xxTIMURxx [149]

Answer:

that is the equation of the line, its slope is 1 and the y-intercept is 1 y = x + 1

Step-by-step explanation:

we can calculate the slope of this line passing through (4,5) and (8,9) like this:

m = (y2 - y1)/(x2 - x1)

m = (9 - 5)/(8 - 4)

m = 4/4

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so the slope is 1, and now we can use the equation of one point and the slope to write the line's equation:

y - y1 = m(x - x1)

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that is the equation of the line, its slope is 1 and the y-intercept is 1



7 0
3 years ago
Write multiplication expression to represent the change in temperature after the plane ascends 10,000 feet .... Above it says th
Allisa [31]

Answer:

1.3°F * 10 = 13°F

10.2°F

Step-by-step explanation:

Given that:

Temperature on the ground = - 2.8°F

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Change in temperature after the plane ascends 10000 ft

Change in temperature per 1000ft rise * (10000/1000)

1.3°F * 10 = 13°F

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Temperature on ground + change in temperature at 10,000ft

-2.8°F + 13°F

= 10.2°F

5 0
3 years ago
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