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Solnce55 [7]
3 years ago
10

Which of the following expressions has a value that is less than –2?

Mathematics
1 answer:
natali 33 [55]3 years ago
3 0

Answer:  A  

Step-by-step explanation: 0.25−2.50=-2.25

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Need help with this question. Thank you
V125BC [204]
I think the answer is b
3 0
3 years ago
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4. Stella says the equation x^2−8x+y^2+2y=5 has a center of (4,−1) and a radius of 5. Is she correct? Why or why not?
Ostrovityanka [42]
<h2>Stella is correct about center and wrong about radius      </h2>

Step-by-step explanation:

Equation of circle with (h,k) as center and radius r is given by,

          (x-h)²+(y-k)² = r²

Here equation is

          x²−8x+y²+2y=5

Changing in to (x-h)²+(y-k)² = r² form

           x²−8x + 16 - 16 +y²+2y+1 - 1=5  

           (x-4)² - 16 + (y+1)² -1 = 5

           (x-4)²  + (y+1)²  = 22

           (x-4)²  + (y+1)²  = 4.69²

           Center is (4,-1) and radius is 4.69

Stella is correct about center and wrong about radius            

8 0
3 years ago
Simplify. 9 ÷ 3 + 8 • 5 – 2
kodGreya [7K]
This answer is 41
9 divided by 3
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x 5
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4 0
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How do you write the number 50,679 in word form and expanded form
GarryVolchara [31]
"fifty thousand six hundred and seventy nine" and 50,000 + 600 + 70 + 9
4 0
3 years ago
What is 10 times by 10
Tpy6a [65]
100 because you make ten groups of ten and it makes 100 Hope that helped Have a good day! :)

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3 years ago
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