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3 years ago

Find the x and y intercpets y=1/5x-7 f(x)-3x+5

Mathematics

1 answer:

lesya [120]3 years ago

7 0

Answer:

Graph the line using the slope and y-intercept, or two points.

Slope:

y-intercept:

−

Tap to view steps...

image of graph

Step-by-step explanation:

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How do you plot y=2x -7

ValentinkaMS [17]

-7 is the y-intercept. 2 is the slope. Rise over run.

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3 years ago

How much change should Mack get back when he uses $20.00 to pay for purchases totaling $14.35?

snow_tiger [21]

Answer:

Step-by-step explanation:

i anserwed it on the test

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3 years ago

Multiplying a trinomial by a trinomial follows the same steps as multiplying a binomial by a trinomial. Determine the degree and

Veseljchak [2.6K]

Degree = 4

Maximum possible number of terms for = 5

Solution:

Given expression:

$\left(x^{2}+x+2\right)\left(x^{2}-2 x+3\right)$

To multiply the trinomial by a trinomial:

$\left(x^{2}+x+2\right)\left(x^{2}-2 x+3\right)$

Multiply each of the first term by the each of the second term.

$=x^{2}(x^{2}-2 x+3)+x(x^{2}-2 x+3)+2(x^{2}-2 x+3)$

$=(x^{4}-2 x^3+3x^2)+(x^{3}-2 x^2+3x)+(2x^{2}-4 x+6)$

Remove the brackets and arrange the terms with same powers together.

$=x^{4}-2 x^3+x^{3}+3x^2-2 x^2+2x^{2}+3x-4 x+6$

$=x^{4}- x^3+3x^2- x+6$

The product of the trinomials is $x^{4}- x^3+3x^2- x+6$ .

Degree is the highest power of the variable.

Degree = 4

Maximum possible number of terms for = 5

3 0

3 years ago

Read 2 more answers

Please I need help on a, b, c, d, and e.

a_sh-v [17]

its C it is c answer for lession 1 leaping lizard!s

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2 years ago

A teacher writes all her students’ names on a piece of paper and places them in a bag to be drawn. Identify the sampling method

s344n2d4d5 [400]

The correct answer is B. random

Further explanation:

Let us define sampling first.

When the population is very large, a small portion of population is chosen to perform the experiments and examine the results.

There are multiple sampling techniques are used to draw samples out of the population.

<u>Random Sampling:</u>

In random sampling, the observations are chosen randomly which means that each observation has an equal chance of being selected.

In the given example, the teacher puts the names of students on papers and puts them in a bad. If she has to draw a name, each name has an equal chance of being drawn so the technique used by the teacher is simple random sampling.

The correct answer is B. random

Keywords: Population, Sampling

Learn more about sampling at:

#LearnwithBrainly

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3 years ago