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3 years ago

Graph the linear equation. x + 4y = - 8

Mathematics

1 answer:

neonofarm [45]3 years ago

3 0

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Answer: See the graph below!

I hope this helped!

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- Zack Slocum

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Laws of Sines with find the angle.

Jobisdone [24]

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3 years ago

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Which of the following is a good way to quickly determine whether 3/12 and 1/4 are equal

Novay_Z [31]

Answer: Divide 3 into the numerator and denominator

Step-by-step explanation:

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What is the total when the product of 57 and .22 is added to 7 percent of 57

11111nata11111 [884]

I believe the total is 16.53. First I took 7% of 57 is 3.99. Then multiplying 57 by 0.22 and adding that to 3.99 which is 16.53

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3 years ago

A number increased by three is the same as quadrupling that number increased by five all divided by four. What is le number?

IrinaVladis [17]

Answer:

The number is infinity

Step-by-step explanation:

Let the unknown number be x

if the number increased by three, then we have;

x + 3

Also quadrupling that number increased by five all divided by four is expressed as;

(4x+5)/4

Equating bith expressions and calculating x;

x+3 = (4x+5)/4

cross multiply;

4(x+3) = 4x + 5

4x+12 = 4x + 5

4x-4x = 5 - 12

0x = -7

x = -7/0

x = ∞

Hence the number is infinity

5 0

3 years ago

The table of values represents a function f(x).

NeX [460]

Answer:

The average rate of change over the interval [9,10] is greater than that over the interval [5,8] by 6490.

Step-by-step explanation:

The value of f(x) = 4052 for x = 9 and f(x) = 11014 for x = 10.

Therefore, the average rate of change of f(x) with respect to x over the interval [9,10] is given by

= $\frac{\textrm {Total change in value of f(x)}}{\textrm {Total change in value of x}}$

= $\frac{11014 - 4052}{10 - 9} = 6962$

Now, the value of f(x) = 75 for x = 5 and f(x) = 1491 for x = 8.

Therefore, the average rate of change of f(x) with respect to x over the interval [5,8] is given by

= $\frac{\textrm {Total change in value of f(x)}}{\textrm {Total change in value of x}}$

= $\frac{1491 - 75}{8 - 5} = 472$

Therefore, the average rate of change over the interval [9,10] is greater than that over the interval [5,8] by (6962 - 472) = 6490. (Answer)

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3 years ago