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Dima020 [189]
3 years ago
10

1 0. Eight members of an origami club 1 will make a paper chain together The chain is 4 feet long Each 7 member will make an equ

al part of the chain How much of the chain in feet will each member make Draw a picture to solve (1 09)

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
5 0

Answer:

Step-by-step explanation:

Please

Colt1911 [192]3 years ago
3 0
I believe you have to divide.

8/4=2.

Pls let me know if this helps
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EXPLAIN THE SECOND PART.......
alexdok [17]
\tan^2\theta-\sin^2\theta=\dfrac{\sin^2\theta}{\cos^2\theta}-\sin^2\theta
=\sin^2\theta\left(\dfrac1{\cos^2\theta}-1\right)
=\sin^2\theta(\sec^2\theta-1)
=\sin^2\theta\tan^2\theta

Now if 0^\circ, then both \sin\theta>0 and \tan\theta>0. Adding two positive numbers gives another positive number, so \tan\theta+\sin\theta>0. Why this is useful will be apparent shortly.

Back to the identity:

\tan^2\theta-\sin^2\theta=\tan^2\theta\sin^2\theta

Factorizing the left hand side, we have

(\tan\theta-\sin\theta)(\tan\theta+\sin\theta)=\tan^2\theta\sin^2\theta

Now, any number squared will be positive, which means the right hand side is necessarily greater than 0.

We showed earlier that \tan\theta+\sin\theta>0. So we understand that we have

\underbrace{(\tan\theta-\sin\theta)}_?\underbrace{(\tan\theta+\sin\theta)}_+=\underbrace{\tan^2\theta\sin^2\theta}_+

The only way to multiply a number by a positive number to get yet another positive number is to have the first number also be positive, which means

\tan\theta-\sin\theta>0

and from this it follows that

\tan\theta>\sin\theta

in the provided region.
6 0
3 years ago
What is 2x +2 when x =O
almond37 [142]

Answer:

2

Step-by-step explanation:

2 x 0= 0 + 2 = 2

8 0
3 years ago
Read 2 more answers
Rikki's hourly salary is $9.64. Last week she worked a 22-hour week. How much did she earn?
jek_recluse [69]
<h3>Answer: 212.08 dollars</h3>

Work Shown: Multiply 9.64 and 22 to get 9.64*22 = 212.08

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\bf \qquad \qquad \textit{direct proportional variation}&#10;\\\\&#10;\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  y=kx\impliedby &#10;\begin{array}{llll}&#10;k=constant\ of\\&#10;\qquad  variation&#10;\end{array}\\\\&#10;-------------------------------\\\\&#10;\textit{we also know that }&#10;\begin{cases}&#10;y=18\\&#10;x=\frac{1}{2}&#10;\end{cases}\implies 18=k\cfrac{1}{2}\implies 18=\cfrac{k}{2}&#10;\\\\\\&#10;36=k\qquad therefore\qquad \boxed{y=36x}
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3 years ago
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equal -1 plus 1 equals what

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