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vladimir1956 [14]
3 years ago
13

Solve the linear equation system using substitution

Mathematics
1 answer:
marusya05 [52]3 years ago
6 0
Where is the equation system to solve?
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For a field trip, 56 students registered. On the day of the field trip, 7 students were unable to go. Which decimal describes th
VARVARA [1.3K]

For a field trip, 56 students registered. Denote n=56.

On the day of the field trip, 7 students were unable to go. Denote m=7.

The ratio of students who were unable to go to the number of students who registered for the field trip is

\dfrac{m}{n} =\dfrac{7}{56}=\dfrac{1}{8} =0.125.

Answer: 0.125.

7 0
4 years ago
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Anyone know the answer to this!
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Step-by-step explanation:

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Given H = f(t) where H is the height in meters of an object and t is the time in seconds since it was launched, which of the fol
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Recall that the height of the object, in meters, is a function of elapsed time, in seconds. Thus what f(8)=12 means is that the object is at a height of 8 meters when 12 seconds have passed since its launch.

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The following is a list of 5 measurements. 19,30,20,10,17 Suppose that these 5 measurements are respectively labeled.
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For example, suppose we weigh five children. ... 5. ∑ i=1 xi. = x1 + x2 + x3 + x4 + x5. = 10 + 12 + 14 + 8 + 11. = 55. ... We also use sigma notation in the following way: 4 ... j2 = 12 + 22 + 32 + 42 = 30.

Missing: 17 ‎| Must include: 17Summary measures for this data set are ... 17 18. 19 20. Observedresult. 0. 1. 0. 1. 1. 0. 1. 0. 1. 1. Total so far. 4. 5. 5. 6 ... 5. 10. 15. 20. 25. 30. 35. 40 . Toss. Figure S2.1 Proportion P, 40 tosses of a coin.

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4 years ago
Part A: Abe rented a bike at $36 for 5 days. If he rents the same bike for 8 days, he has to pay a total rent of $48.
lawyer [7]
(5,36)(8,48)
slope = (48 - 36) / (8 - 5) = 12/3 = 4

y = mx + b
slope(m) = 4
(5,36)...x = 5 and y = 36
now sub and find b
36 = 4(5) + b
36 = 20 + b
36 - 20 = b
16 = b

equation is : y = 4x + 16.....in standard form : 4x - y = -16 <==
=======================
function notation : f(x) = 4x + 16
=======================
x axis will be ur hrs....I would label them at intervals of 1
y axis will be total cost of renting the bike......as far as the intervals...not sure how to label them.....sorry....I wanna say intervals of 2...but am not sure

y = 4x + 16
slope = 4
y int = (0,16)
x int = (-4,0)

so start at (-4,0)....and since ur slope is 4, go up 4 and to the right 1...keep doing this and u will cross the y axis at (0,16)
7 0
4 years ago
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