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Gnesinka [82]
3 years ago
11

Write a story or situation that can be represented by the given equation. 4a+5=12a−11

Mathematics
2 answers:
Len [333]3 years ago
5 0

Answer:

a=4

Step-by-step explanation:

4a+12a=  11

Leto [7]3 years ago
3 0

Answer:

          a = 4

Step-by-step explanation:

STEP 1)  4a - 16  =   4 • (a - 4)

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What is the absolute value of 35
Reika [66]
Bruh its just 35. btw if it was negative 35 it would become positive 35.
5 0
4 years ago
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A city currently has 31,000 residents and is adding new residents steadily at the rate of 1200 per year. If the proportion of re
dlinn [17]

Answer:

Population of the city after 7 years from now, P(7) = 6370

Given:

Initial Population, P_{i} = 31000

rate, r(t) = 1200 /yr

S(t) = [/tex]\frac{1}{1 + t}[/tex]

Step-by-step explanation:

Let the initial population be  P_{i} = 31000

The population after T years is given by the equation:

P(T) = P_{i}S(T) + \int_{0}^{T}S(T - t)r(t) dt          (1)

Thus, the population after 7 years from now is given by using eqn (1):

P(7) = \frac{3100}{1 + 7} + 1200\int_{0}^{7}\frac{1}{8 - t} dt

P(7) = 3875 - 1200ln(8 - t)|_{0}^{7}

P(7) = 3875 - 1200ln(8 - t)|_{0}^{7}

P(7) = 3875 - 1200(ln(1) - ln(8))

P(7) = 3875 + 2495 = 6370

6 0
3 years ago
Mark and Don are planning to sell each of their marble collections at a garage sale. If Don has 7 mo
Karolina [17]

Answer:

Mark has 24

Don has 79

Step-by-step explanation:

Let x = marbles mark has

don has 3x+7

Together they have 103

mark + don = 103

x+ (3x+7) = 103

Combine like terms

4x+7 = 103

Subtract 7

4x = 96

Divide by 4

x = 96/4

x =24

Mark has 24

Don has 103 -24

Done has 79

3 0
3 years ago
PLEASE HELP (Will give a brainliest to best answer!)
lord [1]
I think the answer is -4x-3
7 0
3 years ago
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If stamps are $0.30 how many stamps can Janice buy with $7.20
snow_lady [41]
Divide the total amount of money Janice has by the cost of the stamps.

$7.20 / $0.30 = 24

Janice can buy 24 stamps.
7 0
4 years ago
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