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3 years ago

Is withdrawn negative or positive.

Mathematics

1 answer:

gizmo_the_mogwai [7]3 years ago

3 0

Answer: negative its like if you are taking away from you have in your bank account.

ex: i have 210 dollars in my bank account and i have to take 100 dollars, you would be taking away 100 from your 210

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Sin (3x+15) = Cos (7x-2)<br><br> Find value of x

11Alexandr11 [23.1K]

$\bf \textit{Cofunction Identities}
\\ \quad \\
\boxed{sin\left(\frac{\pi}{2}-{{ \theta}}\right)=cos({{ \theta}})}\qquad 
cos\left(\frac{\pi}{2}-{{ \theta}}\right)=sin({{ \theta}})
\\ \quad \\ \quad \\
tan\left(\frac{\pi}{2}-{{ \theta}}\right)=cot({{ \theta}})\qquad 
cot\left(\frac{\pi}{2}-{{ \theta}}\right)=tan({{ \theta}})
\\ \quad \\ \quad \\
sec\left(\frac{\pi}{2}-{{ \theta}}\right)=csc({{ \theta}})\qquad 
csc\left(\frac{\pi}{2}-{{ \theta}}\right)=sec({{ \theta}})\\\\
-------------------------------\\\\$

$\bf \begin{array}{lcllclll}
sin(&90^o-\theta)&=&cos(&\theta)\\
&\uparrow &&&\uparrow \\
&3x+15&&&7x-2\\
&\downarrow \\
&90-(7x-2)
\end{array}
\\\\\\
90-(7x-2)=3x+15\implies 90-7x+2=3x+15
\\\\\\
92-15=10x\implies 77=10x\implies \cfrac{77}{10}=x$

5 0

3 years ago

Part A: What is the ratio of the number of students receiving a C and the number of students receiving an A? * 1:4 6:1 4:1 3:1 P

Lady bird [3.3K]

Answer:

a. 4 : 1

b. 2 students

c. 3 : 1

Step-by-step explanation:

a. There were 12 students who got a C and 3 students who got As. The ratio is therefore:

12 : 3

Take it to the lowest form by dividing both sides by 3:

= 4 : 1

b. There were 4 students with a D grade and 8 with a B. The ratio is:

= 4 : 8

Taken to the lowest form that would be:

= 1 : 2

This means that for every student receiving a D, 2 students received an A.

c. 12 students received a C and 4 students received a D. That ratio is therefore:

= 12 : 4

Take to the lowest form by dividing both sides by 4:

= 3 : 1

6 0

3 years ago

Joseph drives a 125 miles in 2 1/2 hours . at the same rate how far will he be able to travel in 6 hours

Blizzard [7]

Joseph drives 50 miles an hour. Times this by 6 hrs equals 300 miles.

6 0

4 years ago

The price of a technology stock was 9.57 yesterday. Today, the price rose to 9.66 . Find the percentage increase. Round your ans

mezya [45]

Take 9.66-9.57=.09 the stock went up by .01%

8 0

3 years ago

Find the value of x.

Stels [109]

Answer:

x=136

Step-by-step explanation:

The sum of the angles inside a quadrilateral add to 360, so

79+55+110+x=360

Combine like terms

224+x=360

Subtract 224 from both sides

x=136

7 0

3 years ago