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Eva8 [605]
3 years ago
6

Somebody please help​

Mathematics
1 answer:
iren [92.7K]3 years ago
5 0

Answer:

Yes, No, No, No

Step-by-step explanation:

To decide whether the point lies on the circle, what you need to do it simply substituting the x and y values into the equation and check if it add up to be 25

(-5)² + 0² = 25, = RHS  [Yes]

1² + (√7)² = 8, ≠ RHS [No]

(√21)² + (-3)² = 30, ≠RHS [No]

0² + 7² = 49, ≠RHS [No]

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Profit or loss question..please solve this​
Yuki888 [10]

<em>Answer:</em>

<em>I would say he makes 10.5%</em>

<em>Step-by-step explanation:</em>

<em />

<em>Let the price at which the shopkeeper bought the article be 100. </em>

<em>Since he has to make a profit of 30%, he would mark the price as 130. </em>

<em>Now, he allows a discount of 15% i.e. 15% of 130 = 19.5 </em>

<em>The actual discounted price= 130–19.5= 110.5 </em>

<em> </em>

<u><em>He gets 10.5 on 100. The profit percent he makes is 10.5%</em></u>

5 0
3 years ago
Someone who knows the remainder theorem help!​
Damm [24]

Answer:

○ D. Yes, x = 12 is a zero of the polynomial.

The quotient is x + 22, and the remainder is 0.

Step-by-step explanation:

On a second thought, I knew something similar to that theorem because factoring them would determine if it has a remainder:

[x - 12][x + 22]

I am joyous to assist you anytime.

* I apologize for the previous answer I gave you.

5 0
4 years ago
A motor produces 2,500 watts of power. Can it be used to drive a fan that requires 2 ½ horsepower?
ElenaW [278]

9514 1404 393

Answer:

  yes

Step-by-step explanation:

A horsepower is on the order of 746 watts*, so 2 1/2 times that will be less than 2500. The motor can be used to drive the fan.

_____

* "horsepower" has several different definitions, depending on the application and the units system being used. All are less than 1000 W, so the above conclusion is valid in any case.

3 0
3 years ago
FIRST ONE TO ANSWER GETS BRAINLIST
Maurinko [17]

Answer

In the following order. 3, 5, 2, and 4

If you are allowed to have one number left over then you do not use number 1.


5 0
3 years ago
Read 2 more answers
Solve the system using multiplication for the linear combination method. 6x – 3y = 3 –2x + 6y = 14 What is the solution to the s
defon
6x-3y=3
-2x+6y=14.
First step is multiply the top equation by 2, so you have
12x-6y=6
-2x+6y=14
-6y and +6y cancel each other out, so if you simplify, you have
10x=20, which is then solved by dividing each side by 10, and getting x=2.

Now plug x=2 into one of the equations (I chose the first)
6(2)-3y=3
12-3y=3
-3y=-9, divide each side by -3 and get y=3. 
so your point is (2,3)
4 0
3 years ago
Read 2 more answers
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