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kicyunya [14]
3 years ago
6

Please hurry and explain

Mathematics
2 answers:
Delvig [45]3 years ago
8 0

Answer:

46

Step-by-step explanation:

If we want to know how many spent more than 2 hours each day

We need to add those who spend between 2 and 5 hours   and those who spend more than 5 hours

42+4

46

masya89 [10]3 years ago
4 0
About 46% - you just add the percentages of those who spend 2-5 hours online and those who spend more than 5 hours online, so 42%+4%=46%.
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(7, 5) and (-3, 4) written in slope intercept form
Rom4ik [11]

Answer:

y = x/10 + 43/10

Step-by-step explanation:

y - y1/ x - x1 = y2 - y1/ x2 - x1

y - 4/ x +3 = 5 - 4/7 + 3

y - 4 / x + 3 = 1/10

10(y - 4) = x + 3

10y - 40 = x + 3

10y = x + 43

y = x/10 + 43/10

8 0
3 years ago
What is the pattern to 1,2,4,7,11
Svetllana [295]

Answer:

1+1=2

2+2=4

4+3=7

7+4=11

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Step-by-step explanation:

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3 years ago
A map has a scale of 2.5 inches=125 miles. If the actual distance is 300 miles what is the distance on the map
e-lub [12.9K]
Answer 5.5

Explanation 125 + 125= 250
250 + 50=300

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But in this case there is 2 125s

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4 0
3 years ago
Please look at photo and ignore already selected answer
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In the theory of learning, the rate at which a subject is memorized is assumed to be proportional to the amount that is left to
babymother [125]

Answer:

dA/dt = k1(M-A) - k2(A)

Step-by-step explanation:

If M denote the total amount of the subject and A is the amount memorized, the amount that is left to be memorized is (M-A)

Then, we can write the sentence "the rate at which a subject is memorized is assumed to be proportional to the amount that is left to be memorized" as:

Rate Memorized = k1(M-A)

Where k1 is the constant of proportionality for the rate at which material is memorized.

At the same way, we can write the sentence: "the rate at which material is forgotten is proportional to the amount memorized" as:

Rate forgotten = k2(A)

Where k2 is the constant of proportionality for the rate at which material is forgotten.

Finally, the differential equation for the amount A(t) is equal to:

dA/dt = Rate Memorized - Rate Forgotten

dA/dt = k1(M-A)  - k2(A)

7 0
3 years ago
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