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3 years ago

Which polynomial is a quadratic trinomial?

Mathematics

1 answer:

il63 [147K]3 years ago

5 0

<h3>Answer: Choice C</h3>

The largest exponent here is 4, so that makes it a quartic.

There are 3 terms, so we have a trinomial. Each term is separated by either a plus or a minus.

Choice A shows a quartic polynomial. Choice B is a cubic polynomial. Choice d is a quadratic trinomial.

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If the actual sale for the week is $525 and hector guessed $625, what i the percent error?

marysya [2.9K]

Answer:

19.0% (1dp)

Step-by-step explanation:

$625-$525=$100

$100/$525=4/21×100=19.0% (1dp)

3 0

2 years ago

If y varies directly as x and inversely as z, and y = 32 whe x = 4 and z = 6, find y when x = 10 and z = 26

LuckyWell [14K]

The value of y is 18.46 when x=10 and z = 26

Step-by-step explanation:

The direct proportion is denoted as:

y∝x

And the inverse proportion will be denoted as:

y∝1/z

combining both

y∝ x/z

When the symbol of proportionality is removed, the proportionality constant is introduced

$y = k\frac{x}{z}$

Given

y = 32 when x=4 and z = 6

Putting the values

$32 = k * \frac{4}{6}\\k = 32 * \frac{6}{4}\\k = 8*6\\k = 48$

So the equation will become:

$y = 48* \frac{x}{z}$

Putting x=10 and z= 26

$y = 48 * \frac{10}{26}\\y = \frac{480}{26}\\y = 18.4615$

Hence,

The value of y is 18.46 when x=10 and z = 26

Keywords: Proportion, variation

Learn more about proportion at:

#LearnwithBrainly

8 0

3 years ago

(3-1) + (1 - 2) =<br> what is the answer to this question? i don’t understand it.

Ganezh [65]

Answer:

Step-by-step explanation:

$(3 - 1) + (1 - 2)$

Order of operations is () ^ * / + -

$2 + ( - 1)$

$2 - 1$

$1$

6 0

3 years ago

Read 2 more answers

What's the algebraic expression for 5,9,13,17,21

Bad White [126]

1,5,9,13,17,21,25,29..., 4n+1
in general terms of an arithmetic sequence with the first term A0 and common differences d,

5 0

3 years ago

a line with slope 3 passes through point (0,10). What is the y-coordinate of the point on the line with x-coordinate 2

skad [1K]

The y-coordinate is 16

<h3><u>Solution:</u></h3>

Given that a line with slope 3 passes through point (0, 10)

To find the y-coordinate of the point on the line with x-coordinate 2

Which means the point is (2, y)

Let us find the required y co-ordinate using slope formula

<em><u>The slope of line is given as:</u></em>

For a line containing points $(x_1 , y_1)$ and $(x_2 , y_2)$ is given as:

$\text {slope}=m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$\text {Here } x_{1}=0 ; y_{1}=10 ; x_{2}=2 ; y_{2}=y$

Given that slope "m" = 3

Substituting the values we get,

$\begin{array}{l}{3=\frac{y-10}{2-0}} \\\\ {3=\frac{y-10}{2}} \\\\ {6=y-10} \\\\ {y=10+6=16}\end{array}$

Thus the y-coordinate is 16

8 0

3 years ago