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Fynjy0 [20]
3 years ago
12

The sum of 14 and a number is equal to 17

Mathematics
2 answers:
Deffense [45]3 years ago
7 0
14+3 =17 omg i hate the stupid 20 chacters thing
ur welcome lol
Anastaziya [24]3 years ago
3 0
The other number is 3! Hope this helps :)
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Find all solutions in the region [0,2pi) for the equation cos^2(2x)-sin^2(2x)=0
Lynna [10]
\cos^{2}(2x)-\sin^{2}(2x)=0
\rightarrow \sin^{2}(2x)=\cos^{2}(2x)
\rightarrow \frac{\sin^{2}(2x)}{\cos^{2}(2x)}=1
\rightarrow \tan^{2}(2x)=1
\rightarrow \tan(2x)=\pm 1

2x can range anywhere in [0, 4\pi)
So:
\rightarrow 2x=\frac{\pi}{4}, \frac{3\pi}{4}, \frac{5\pi}{4}, \frac{7\pi}{4}, \frac{9\pi}{4}, \frac{11\pi}{4}, \frac{13\pi}{4}, \frac{15\pi}{4}
\rightarrow x=\frac{\pi}{8}, \frac{3\pi}{8}, \frac{5\pi}{8}, \frac{7\pi}{8}, \frac{9\pi}{8}, \frac{11\pi}{8}, \frac{13\pi}{8}, \frac{15\pi}{8}
4 0
3 years ago
Drag numbers to fill in the table to organize the information in this problem. Carter works for a fence company. He can paint a
OLEGan [10]

Answer:

394.67 minutes (or about 6.58 hours)

Step-by-step explanation:

<u>For 145.8 feet long fence:</u>

At a rate of 2.25 feet per minute, its gonna take him

\frac{145.8}{2.25}=64.8  minutes to pain

Also

At a rate of 0.75 feet per minute, its gonna take him

\frac{145.8}{0.75}=194.4  minutes to stain

<u>For 76.2 feet long fence:</u>

At a rate of 2.25 feet per minute, its going to take him

\frac{76.2}{2.25}=33.87  minutes to pain

At a rate of 0.75 feet per minute, its gonna take him

\frac{76.2}{0.75}=101.6  minutes to stain

In total, it's gonna take him:

64.8 + 194.4 + 33.87 + 101.6 = 394.67 minutes

In hours, that is 394.67/60 = 6.58 hours

4 0
2 years ago
PLS HELP Find the m∠RLU.<br> A. 10º<br> B. 6º<br> C. 25º<br> D. 50º
balandron [24]

Step-by-step explanation:

6n-10=50

6n=60

n=10

rlu=6n-10

=6×10-10

=60-10

50

8 0
2 years ago
What fomula can be used to describe the sequence? -2/3,-4,-24,-144
Lunna [17]

This is a geometric sequence with n th term formula

a_{n} = a_{1}(r)^{n-1}

where r is the common ratio and a_{1} the first term

here a_{1} = - \frac{2}{3} and

r = \frac{-144}{-24} = \frac{-24}{-4} = 6

a_{n} = - \frac{2}{3}(6)^{n-1}

or in terms of x

f(x) = - \frac{2}{3}(6)^{x-1}



5 0
3 years ago
Expression.is of what number? Write a division expression to match this question.
nirvana33 [79]

3/4 is 1/3 of what number?

For this problem we just need to do the following division:

\frac{x}{3}=\frac{3}{4}

And we can solve for the value of x desired and we got multiplying both sides by 3:

x=3(\frac{3}{4})=\frac{9}{4}

So then we can conclude that 3/4 is 1/3 of 9/4

Answer: 9/4

Expression:

\frac{x}{3}=\frac{3}{4}

3 0
1 year ago
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