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3 years ago

The length of line PQ is 7.5 inches. what is the absolute error of the measurement?

Mathematics

1 answer:

Rashid [163]3 years ago

4 0

Answer:

The absolute error of the measurement is 0.25 inches

Step-by-step explanation:

we know that

The absolute error of a measurement is equal to one half the unit of measure.

In this problem we have

7.5 inches

The measurement is given by 0.5 inches

the absolute error of this measurement is

$\frac{1}{2}(0.5)=0.25\ in$

Therefore

the exact measurement could be between

7.5 (+/-) 0.25 in

That is, between 7.25 in and 7.75 in

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Devin runs an average of 15 min. each day. She has a goal of running 10² min. in 7 days . Will she complete her running goal in

anastassius [24]

Answer & Step-by-step explanation:

Devin runs an average of 15 min in 7 days

15 * 7 = 105 minutes

She has a goal of running 10² min. in 7 days

10² = 100 minutes

Will she complete her running goal in 7 days?

Yes. On average, she will run 105 minutes in seven days which is more than her 100 minute goal.

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3 years ago

Y = 4x - 6

Studentka2010 [4]

Answer:

B) 2x - 12x - 18 = 8

Step-by-step explanation:

2x - 3y = 8

If y = 4x - 6, then substitute and solve:

2x - 3(4x - 6) = 8

2x - 12x - 18 = 8

10x - 18 = 8

10x = 8 + 18

10x = 26

x = 26/10

x = 2.6

y = 4(2.6) - 6

y = 10.4 - 6

y = 4.4

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3 years ago

(16 - 6) + f - 9 = 12

CaHeK987 [17]

Answer:

f = 11

Step-by-step explanation:

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3 years ago

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What is the median of the following string of values?

GaryK [48]

Answer:

the value is 52

Step-by-step explanation:

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3 years ago

At 106°F, a certain insect chirps at a rate of 67 times per minute, and at 108°F, they chirp 83 times per minute. Write an equat

Step2247 [10]

Answer:

$y=8x-781$

Here, $x$ represents temperature and $y$ denotes rate of chirping per minute.

Step-by-step explanation:

Let $x$ represents temperature and $y$ denotes rate of chirping per minute.

At $106$ °F, a certain insect chirps at a rate of $67$ times per minute.

Take $(x_1,y_1)=(106,67)$

At $108$ °F, they chirp $83$ times per minute.

Take $(x_2,y_2)=(108,83)$

Slope intercept form:

$y-y_1=(\frac{y_2-y_1}{x_2-x_1})(x-x_1)$

$y-67=(\frac{83-67}{108-106})(x-106)\\\\y-67=(\frac{83-67}{108-106})(x-106)\\\\y-67=(\frac{16}{2})(x-106)\\\\y-67=8(x-106)\\y-67=8x-848\\y=8x+67-848\\y=8x-781$

3 0

3 years ago