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2 years ago

What is 3.75 multiplied by .63

Mathematics

2 answers:

Allushta [10]2 years ago

5 0

Answer:

2.3625

Step-by-step explanation:

SVETLANKA909090 [29]2 years ago

4 0

Answer:

2.3625 or 2.4

Step-by-step explanation:

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Which angle is an x-intercept for the function y = cos(1)<br> A.0<br> B.2<br> C. £<br> D. 2£

noname [10]

Answer: C. $\pi$

=======================================================

Explanation:

The x intercept always occurs when y = 0.

Use the unit circle to determine that $\cos(\theta) = 0$ when $\theta = \frac{\pi}{2} \text{ and } \theta = \frac{3\pi}{2}$

So if $x = \pi$ , then we have

$y = \cos\left(\frac{1}{2}x\right)\\\\y = \cos\left(\frac{x}{2}\right)\\\\y = \cos\left(\frac{\pi}{2}\right)\\\\y = 0\\\\$

which shows us that $(\pi, 0)$ is the location of one of the infinitely many x intercepts for this function.

3 0

2 years ago

What is the simplest form of ^3 square root 27a^3b^7

Irina-Kira [14]

$\bf \sqrt[3]{27a^3b^7}\quad 
\begin{cases}
27=3\cdot 3\cdot 3\\
\qquad 3^3\\
b^7=b^{3+3+1}\\
\qquad b^3b^3b^1\\
\qquad (b^2)^3b^1
\end{cases}\implies \sqrt[3]{3^3a^3(b^2)^3b^1}
\\\\\\
3ab^2\sqrt[3]{b^1}\implies 3ab^2\sqrt[3]{b}$

4 0

3 years ago

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When a 757 passenger jet begins its descent to the Ronald Reagan National Airport in Washington, D.C., it is 3900 feet from the

Svetradugi [14.3K]

Answer:

Option A. 37106 ft.

Step-by-step explanation:

Given: An 757 passenger jet at the height of 3900 feet from the ground means vertical height = 3900 feet.

Angle of descent to the airport in Washington,D.C. is 6 degrees.

To find: Horizontal distance the plane will cover to reach the run way.

Solution: As we know tan ∅ = $\frac{Height}{Base}$

Then tan 6° = $\frac{3900}{x}$

0.105 = $\frac{3900}{x}$

x = $\frac{3900}{.105}$

x = 37106 ft

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3 years ago

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I think it's reflection but i'm not so sure..

Degger [83]

You are right, it's a reflection and the axis of this reflection is the perpendicular bisector of CC'

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3 years ago

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How many 3 1/3 yd pieces can amanda get a 13 1/3 yd ribbon

3241004551 [841]

Answer:

Step-by-step explanation:

13 1/3 divided by 3 1/3

7 0

2 years ago