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3 years ago

65006500 is 666 thousands plus 555 hundreds.

Mathematics

1 answer:

madam [21]3 years ago

8 0

Answer:

Choice C

Step-by-step explanation:

5 Thousand + 15 hundred = 6500

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True or false ? The polynomial below is a perfect square trinomial of the form A2-2AB+B2 4x2-16x+16

Vlad1618 [11]

True

4x^2 -16x +16 = (2x -4)^2

A = 2x
B = 4

3 0

3 years ago

You are given the parametric equations x=2cos(θ),y=sin(2θ). (a) List all of the points (x,y) where the tangent line is horizonta

vladimir1956 [14]

Answer:

The solutions listed from the smallest to the greatest are:

x: $-\sqrt{2}$ $-\sqrt{2}$ $\sqrt{2}$ $\sqrt{2}$

y: -1 1 -1 1

Step-by-step explanation:

The slope of the tangent line at a point of the curve is:

$m = \frac{\frac{dy}{dt} }{\frac{dx}{dt} }$

$m = -\frac{\cos 2\theta}{\sin \theta}$

The tangent line is horizontal when $m = 0$ . Then:

$\cos 2\theta = 0$

$2\theta = \cos^{-1}0$

$\theta = \frac{1}{2}\cdot \cos^{-1} 0$

$\theta = \frac{1}{2}\cdot \left(\frac{\pi}{2}+i\cdot \pi \right)$ , for all $i \in \mathbb{N}_{O}$

$\theta = \frac{\pi}{4} + i\cdot \frac{\pi}{2}$ , for all $i \in \mathbb{N}_{O}$

The first four solutions are:

x: $\sqrt{2}$ $-\sqrt{2}$ $-\sqrt{2}$ $\sqrt{2}$

y: 1 -1 1 -1

The solutions listed from the smallest to the greatest are:

x: $-\sqrt{2}$ $-\sqrt{2}$ $\sqrt{2}$ $\sqrt{2}$

y: -1 1 -1 1

6 0

3 years ago

Quadrilateral GHIJ is similar to quadrilateral KLMN. Find the measure of

VARVARA [1.3K]

Answer:

Step-by-step explanation:

8 0

3 years ago

Bill says that the algebraic expression 6y+3-y has been simplified. Is Bill correct? Explain.

Nadya [2.5K]

no it is not simplified because there are two y values

6 0

3 years ago

Read 2 more answers

Matthew scored a total of 168 points in basketball this season. He scored 147 of those in the regular season, and and the rest w

MaRussiya [10]

Answer:

12.5%

Step-by-step explanation:

Step1. Determine the points Matthew had during playoff by subtracting points made during regular season from total points in season.

168 points this season

- <u>147 points regular season </u>

21 points scored in playoff

Step 2. Get the percentage, by dividing playoff points over total points in season

21 ÷ 168 = 0.125

Step 3. Multiply it by 100 to get the percentage equivalent from decimal.

0.125 x 100% = 12.5%

7 0

3 years ago