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2 years ago

Which of the following is a trinomial with a constant term?

Mathematics

1 answer:

Marta_Voda [28]2 years ago

6 0

Answer:

$(b)\ 2x^2- 7$

Step-by-step explanation:

Required

Which is a trinomial and has a constant term

The highest degree of a trinomial is 2;

So, (b) and (d) are trinomial.

However, (b) has a constant term of -7 alongside the trinomial $2x^2$ while (d) has a constant term and also have a term with coefficient of x

Hence, (b) is correct

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At first it decreased by 60 percent and it increased by 80 percent

storchak [24]

The quantity reported an <em>equivalent net</em> percentage change of 28 percent.

<h3>How to calculate the net change of a quantity in percentages</h3>

In this problem we must determine the <em>simple</em> percentage change equivalent to two <em>consecutive</em> percentual changes. The formula that describes the situation is:

1 + r/100 = (1 - 60/100) · (1 + 80/100)

1 + r/100 = 72/100

r/100 = - 28/100

r = - 28

The quantity reported an <em>equivalent net</em> percentage change of 28 percent.

<h3>Remark</h3>

The statement is incomplete. Complete form is presented below:

A quantity is changing. At first it descreased by 60 percent and it increased by 80 percent. What is net change of the quantity in percentage?

To learn more on percentages: brainly.com/question/13450942

#SPJ1

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1 year ago

A 20 ft. ladder is used against a 15 ft. wall. What is the measure of the angle made by the ladder and the ground (nearest whole

Brrunno [24]

Step-by-step explanation:

Given that,

The length of a ladder, H = 20 feet

The height of the wall, h = 15 ft

We know that,

$\sin\theta=\dfrac{h}{H}$

h is perpendicular and H is hypotenuse

So,

$\sin\theta=\dfrac{15}{20}\\\\\theta=\sin^{-1}(\dfrac{15}{20})\\\\\theta=48.59^{\circ}$

Now using Pythagoras theoerm,

$b=\sqrt{H^2-h^2}\\\\b=\sqrt{20^2-15^2}\\\\b=13.2\ ft$

Hence, the angle made by the ladder and the ground is 48.59° and the ladder is 13.2 feet from the wall on the ground.

6 0

3 years ago

What type of number is the square root of 16?

OlgaM077 [116]

The answer is 4. the square root of 16=4. 4*4 =16

3 0

3 years ago

Read 2 more answers

When graphed, the three lines y = -x + 2, y = 2x − 1, and y = x − 2 intersect in such a way that they form a triangle.

ad-work [718]

The answer is C

Insert y=X-2 into the equation y=-X+2

You will get the point (2,0)

Insert y=2X-1 into the same equation

you will get the point (1,1).

Without solving for the last point

you will realize that your answer is C

Note: This approach is appropriate for solving objective questions

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2 years ago

What is 1 4th of 10 explain

Nat2105 [25]

I have seen you ask this question twice before, so I will give you the answer that HugoD gave you:

In mathematics, "of" is translated as a multiplication.

So, you have : $\frac{1}{4} * 10 = \frac{10}{4} = 2, 5$ .

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3 years ago

Read 2 more answers