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stepladder [879]
3 years ago
8

2x+3y=41 and 5x+4y=85

Mathematics
1 answer:
Sever21 [200]3 years ago
5 0

Answer:

5x+4y=85-

 Slope = -2.500/2.000 = -1.250

 x-intercept = 85/5 = 17

 y-intercept = 85/4 = 21.25000

2x+3y=41-

 Slope = -1.333/2.000 = -0.667

 x-intercept = 41/2 = 20.50000

 y-intercept = 41/3 = 13.66667

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What is the volume of this rectangular prism? <br> 3ft by 6 1/4 ft by 14 ft
Liula [17]
We can find the volume of any rectangular prism by simply multiplicating its height, length and width.

Also, lets change that 6 1/4 to 6.25, or 25/4 if you like. I’m gonna use 6.25.

If we take volume as “V”, then:

V = L * W * H
V = 3ft * 6.25ft * 14ft
V = 262.5 ft^3 (Its ft cubed because we multiplied by ft three times.)
7 0
2 years ago
Write an algebraic expression for each verbal expression. 1. the sum of k and 8
Sever21 [200]

Answer:

k + 8 = y

17 < 9(x)

4(x²-8)

Step-by-step explanation:

i hope it helps

5 0
2 years ago
A recent poll in your state shows that 25% of the vehicles are SUV’s and 10% are trucks. The poll counted 5 million SUV’s. How m
rjkz [21]

Answer:

20 million

Step-by-step explanation:

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4 0
2 years ago
A family swimming pool holds 61 m3 of water. It loses 0.27m3 of water to evaporation each day. This situation can be represented
Bezzdna [24]

Answer:

The answer to your question is: when x = 100 days, y = 34 m³

Step-by-step explanation:

Data

Volumen = 61 m³

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Equation    y + 0.27x = 61

when x = 100, y = ?

Process, just substitute x in the equation and solve it for y

                  y + 0.27(100) = 61

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                  y = 61 - 27

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7 0
3 years ago
The explicit rule for a sequence is
pishuonlain [190]
For an explicit formula in its simplified form, we must evaluate the first two terms.

For a_n=48-11n, a_1=48-11=37, and a_2=48-22=26. We see that the common difference is 37-26=-11, and a_1=37, so we write,
a_1=37, \ \ \ a_n=a(n-1)-11. 

The correct answer is B.


3 0
2 years ago
Read 2 more answers
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