2 years ago

the difference between two numbers is 31. Four times the smaller is equal to 8 more than the larger. What are the numbers?

Mathematics

1 answer:

stepladder [879]2 years ago

5 0

I would more detail so I can better answer your question for you

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4. The system of equations 3x – 6y = 20 and 2x – 4y = 3 is

expeople1 [14]

3x - 6y = 20
-6y = -3x + 20
y = 1/2x - 20/6.....slope = 1/2...y int = -20/6 = -10/3

2x - 4y = 3
-4y = -2x + 3
y = 1/2x - 3/4..slope = 1/2...y int = -3/4

same slope, different y int = parallel lines = no solution = inconsistent

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3 years ago

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If 4x-3<32, Which of the following are solutions: 26/3, 9.1, 20, or -6?

ValentinkaMS [17]

The answer is :
$4x - 3 < 32 \\ 4 x < 32 + 3 \\ 4 x < 35 \\ x < \frac{35}{4} \\$
$x < 8.75$
and the only number among the choices that is less than 8.75 is -6
hope it's true

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3 years ago

How can the common difference between 375-315=30

Firlakuza [10]

Hello :
in the arithemitic sequence : an = an-1 + 30

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7 1/2 / (4 1/2- 5 1/8)

anastassius [24]

Answer:

-12

Step-by-step explanation:

i used a calculator

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