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igor_vitrenko [27]
3 years ago
7

Pls help and pls provide workings ​

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
4 0

(x-h)²+(y-k)²=r²

(3-h)²+(3-0)²=5²

h²-6h+9+9=25

h²-6h-7=0 —> (h-7)(h+1)=0

h=7 , h=-1

h=7 —> (x-h)²+y²=r² —> (x-7)²+y²=25 —>

x²-14x+49+y²=25 —> x²+y²-14x+24=0

h=–1 —> (x-h)²+y²=r² —> (x+1)²+y²=25 —>

x²+2x+1+y²=25 —> x²+y²+2x–24=0

I hope it helped you ^_^

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The graph shows the cost C in dollars of W pounds of blueberries a proportional relationship. select all the true statements
labwork [276]

Answer:

A, D

Step-by-step explanation:

Cost ($) = C

lbs (Blueberries) = W

One pound of blueberries costs $2.75 because to find how much 1 lb is you need to divide by 6.

6 is the number of pounds at that point in the graph, so you divide both the pounds and cost by 6 to find how much 1 lb is.

To find how much 5 lbs costs, multiply both the cost and number of pounds ($2.75 to 1 lb) by 5.

2.75 * 5 is 13.75 (This means C is wrong)

Do the same but with 12 for D

2.75 * 12 is 33, so D is correct

You could do the same method as above for E, but the easier way to do this is to see that the relationship of 3:9 is equal to a 1:3 ratio, which is the same as what the pounds to cost ratio is (which is 1:2.75)

Hope this helps! ^_^

4 0
3 years ago
Geometry Please Help (will mark brainliest)
SOVA2 [1]

The answer is 14 because you have to substitute every answer with x and find which one both are equal to each other because both sides of the triangle are equal it is an equilateral triangle so the angles need to be congruent.


7 0
3 years ago
Read 2 more answers
What are the solutions to the quadratic equ ton x2 – 16 = 0?
swat32

Answer:

x=4 and x=-4

Step-by-step explanation:

you dont really have to solve this one when you multiply the answer choices they should equal your B which is -16 and only 4 • -4 = -16 so yeah thats your answer

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Answer
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