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3 years ago

PLEASE HELP I AM DESPERATE!!! MARK AS BRAINLIEST!!!!

1 answer:

8 0

g(x) = 4x − 5 is a linear function (graph is a straight line), with slope 4. Knowing how to identify the slope is an essential skill.

If g(x) is represented by this table:

x f(x)

−1 −6

0 −3

1 0

and we have a reasonable expectation that this is a linear function, then we can choose any 2 points and find the slope of the line connecting them. For example, we'll find the slope connecting (-1, -6) and (1,0).

0-(-6)

It is: m = ------------ = 3

1-(-1)

So the slopes of these 2 linear functions are not the same.

The equation of g(x) is y = 3x - 3. In the table, note that when x=0, y= -3.

The y-intercept -3 of g(x) is identical to the y-intercept -3 of f(x).

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The answer is 9.81.
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3 years ago

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Which of the following statements are true?

lana [24]

Answer:

B, C, E, & F

Step-by-step explanation:

Option A is incorrect because the equation Ax = b is referred to as a matrix equation, not a vector equation.

Option B is correct. If Ax = b has a solution, vector b will a linear combination of columns of matrix A.

Option C is correct. In a matrix equation, product Ax when defined, is a sum of products.

Option D is incorrect. If an augmented matrix [Ab] had a pivot position in every row, there could be a pivot in the last column which would make it inconsistent.

Option E is correct. If the columns of an m×n matrix A span $R^m$ , then the equation Ax=b is consistent for each b in

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Options B, C, E, and F are correct.

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3 years ago

What’s 56 divided by ( -8 )

butalik [34]

Yea, -7 is the correct answer

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3 years ago

The simple interest charged on a 65-day loan of $1,290 is $5.75. Find the annual simple interest rate (in percent) for this loan

Elan Coil [88]

Answer:

Step-by-step explanation:

The formula for determining simple interest is expressed as

I = PRT/100

Where

P represents the principal or initial amount invested or collected as a loan.

R represents interest rate.

T represents the duration of time in years before the loan is bald back.

From the information given,

P = 1290

I = 5.75

Since there are 365 days in a year,

t = 65/365 = 0.1781 years

Therefore,

5.75 = (1290 × r × 0.1781)/100

5.75 = 229.749r/100 = 2.29749r

r = 5.75/2.29749

r = 2.5027

Rounding to the nearest percent,

r = 3%

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3 years ago

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Wholesale cost of a telescope: $199.50; Markup: 50%, Discount: 30%,

kupik [55]

Answer:

$2147.85

Step-by-step explanation:

199.5*.5=99.75

199.5+99.75=299.25

299.25*.3=89.775

299.25-89.775=209.475

209.475*.04=8.279

209.475+8.379=217.854

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3 years ago