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crimeas [40]
3 years ago
15

Determine the intercepts of the line.

Mathematics
1 answer:
nlexa [21]3 years ago
7 0
Start by re-writing the equation into slope intercept form ... 

<span>Y- 4 = 7(x-6)

y - 4 = 7x - 42 
   +4         +4

y = 7x - 38 

Now by graphing this equation you can find the x and y intercepts...

y - intercept :  ( 0 , -38)  ; x - intercept :  ( 38/7 , 0)

</span>
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Can anyone help me with this?
Viktor [21]
E. 1/2
With trig functions, multiple x values correspond with the same y value.
Using an initial x value (the principle value), we can find other x values for the same y value, this is what we are are being asked to find in this question.
There are slightly different ways to find these x values (also known as solutions) for each of the basic trig functions.
The x values are in degrees for the basic trig functions.
For cosine, the rule is as follows:
360 - principle value;
this will give what I, personally, like to think of as a secondary principle value (this value is not actually recognised as a secondary principle value, I just like to think of it as such). Anyway, all other solutions can the be found by adding or substrating any integer multiple of 360 to/from the PV and 'secondary PV'.

For your question:
cos60 = 1/2
60 is the x value (PV)
so...
360 - 60 = 300 is the 'secondary PV'
Just to be clear, this means that if I were to find the cos300, I would get 1/2.

That is sufficient for explaining the answer to this particular question but if you wanted to find any other solution, you would just have to do either:
60 + or - n(360)
or...
300 + or - n(360),
where n = any integer
5 0
3 years ago
How many dimes are $68
vladimir1956 [14]
6 dimes but you need change to make 68. You could use a nickel and and 3 pennies. Hope this helps and plz mark brainliest.
4 0
2 years ago
Read 2 more answers
A study of 138 penalty shots in World Cup Finals games between 1982 and 1994 found that the goalkeeper correctly guessed the dir
vladimir2022 [97]

Answer:

z=-2.09

Step-by-step explanation:

Given that a study  of 138 penalty shots in World Cup Finals games between 1982 and 1994 found that the goalkeeper correctly guessed the direction of the kick only 41% of the time.

Set up hypotheses as:

H_0: p=0.50\\H_a: p

(left tailed test at 5% significance level)

Standard error = 0.043

Sample proportion p = 0.41

p difference = 0.41-0.50=-0.09

Test statistic Z = p diff/std error

= \frac{-0.09}{0.043} \\=-2.09

Z = -2.09

4 0
3 years ago
The coordinate grid shows W,X,Y,Z <br><br> which point is best represented by ordered pair (-3,2.5)
vlabodo [156]

Answer:

ㅎ료 혼혈 메이크업

Step-by-step explanation:

호호 불면서 날씨가 너무 많은 관심 부탁드립니다な屋根やさやかMUGEN Falken

Mazda rx7 veilside Acura NSX Honda integra type r Lamborghini huracan

8 0
2 years ago
Steve and Ben have some money in their wallets. If Steve gives Ben $3, Ben will have twice as much as Steve. If Ben gives Steve
Zigmanuir [339]

Answer:

Money owned by Steve = $11

Money owned by Ben = $13

Step-by-step explanation:

Let x denotes the money owned by Steve and y denotes the money owned by Ben.

Then, Steve gives $3 to Ben

Money left with Steve = x-3 and Ben = y+3

Now, Ben will have twice as much as Steve.

⇒ y+3  = 2(x-3) .............(1)

If Ben gives Steve $7

Money left with Steve = x+7 and Ben = y-7

Then,  the amount Ben has will be one-third that of Steve’s.

⇒ y-7 = \frac{1}{3} (x+7) ..........(2)

Solving equation (1) and (2) by elimination method, we get

x = 11 and y = 13

⇒ Money owned by Steve = $11

Money owned by Ben = $13

5 0
2 years ago
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