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ASHA 777 [7]
2 years ago
9

The points (2,5) , (3,3) and (k,1) all lie on a straight line

Mathematics
1 answer:
Alekssandra [29.7K]2 years ago
7 0

Answer:

(a) k = 4
(b) y = - 2x + 9

Step-by-step explanation:

x2-x1, y2-y1  
= 3-2, 3-5

= 1,-2
3,3 + 1,-2 = (4,1)

x=4

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Given that sin(30)=1/2 and cos(30)=(sqrt3)/2, use trigonometric identities to find the value of cot(30)
Anit [1.1K]

<u>Your question: </u>given that sin(30)=1/2 and cos(30)=(sqrt3)/2, use trigonometric identities to find the value of cot(30)

The correct answer would be D \sqrt{3}

5 0
4 years ago
An amusement park has discovered that the brace that provides stability to the ferris
antiseptic1488 [7]

Answer:

Hence the correct answer is option (A) 4.708.

Step-by-step explanation:

Solution:-

Now, we need to find the angle of the sector by using sector  formula,

A = 28.25 ft^{2} \\r = 12ft.\\\\28.25 = \frac{\theta}{360^{o} } \times \pi \times 12^{2} \\\\\theta=\frac{28.25\times 360}{12 \times12 \times \pi} \\\\\theta =( \frac{70.625}{\\pi} )^{o}

We now convert the angle to radian  

\theta = \frac{70.625}{\pi}  \times \frac{\pi}{180}\\\\\theta = 0.39236 radian  

Now we calculate the length of arc by arc formula  

\theta=\frac{I}{12} \\\\0.39236 =\frac{I}{12}\\\\I  = 4.708 feet.  

So, The length of steel that must be replaced is 4.708 ft.  

4 0
3 years ago
Can someone please explain step by step on this problem for a brainliest!
Shkiper50 [21]

Answer:

Combine the like terms. In this equation there are two like terms. They both are xy. Note: When there is no number in front of a term, you can assume that the number is 1.

5xy - 1xy

Subtract normally and then attach the xy.

4xy

Hope this helps! :)

7 0
2 years ago
Read 2 more answers
1. What value of x makes the equation 6x - 14+ 3(2x - 1) = 5 - 2(x - 10) true?​
earnstyle [38]

yeet this is a thicc problem...

6x - 14 + 3(2x-1) = 5 - 2(x-10)

first expand

6x - 14 + 6x -3 = 5 -2x-20

now put constants and variables on either sides of the thingamajig

6x+6x+2x= 5 - 20 + 3 + 14

14x = 2

x = 1/7

i deserve an award for that XD

7 0
3 years ago
a salesperson earns 350 a wee plus 10% of their weekly sales. Find the sales necessary for the salesperson to earn at least 800
slavikrds [6]
If you would like to find the sales necessary for the salesperson to earn at least 800 in one week, you can calculate this using the following steps:

s ... weekly sales
350 + 10% of sales >= 800
<span>350 + 10% of s >= 800
</span>350 + 10% * s >= 800
10/100 * s >= 800 - 350
1/10 * s >= 450       /*10
s >= 450 * 10
s >= 4500

The correct result would be: <span>weekly sales >= 4500.</span>
7 0
3 years ago
Read 2 more answers
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