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Crazy boy [7]
3 years ago
15

Which problem could be solved with the expression (5 + 3) + 2?

Mathematics
1 answer:
ANTONII [103]3 years ago
7 0

Answer: the answer is a

Step-by-step explanation: i did all the work that i could do on my paper

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Solve pls brainliest
kvasek [131]

Answer:

7.5 < 7.5061 < 7.56 < 9.213

Step-by-step explanation:

5 0
3 years ago
The temperature dropped 18 degrees from 6:00 P.M. to midnight. If the temperature at midnight was 2°F, what
vazorg [7]

Answer:

x - 18°F = 2°F

x = 20°F

Step-by-step explanation:

First, write the equation with the information you know. It dropped 18°F from 6 to midnight, and by midnight the temperature was 2°F

Your equation should look like this: x - 18°F = 2°F

Move the constant to the right hand side and change it's sign:

x = 2°F + 18°F

Add the numbers to get x = 20°F

Hope this helped!

6 0
3 years ago
If the endpoints of the diameter of a circle are (10, 12) and (0, 2), what is the standard form equation of the circle? A) (x +
attashe74 [19]
So the equation of a circle is (x - h)² + (y - k)² = r² where (h,k) are the coordinates of the center of the circle and r is the radius. The diameter of a circle is a line that goes from one point of the circle to the other through the center of the circle. Well the center would be midway through the diameter so use midpoint formula to find the center which is (h,k) Mid point formula is both given x's added together divided by 2 for h and both y coordinates added together divided by 2 to find k
(10+0)/2
10/2= 5
(12+2)/2
14/2 = 7
so the center of the circle is (5,7) now use distance formula using the center and one of the points to the radius
√((5-10)²+(7-12)²)
√(-5²+ -5²)
√(25 + 25)
√50 is the radius
Now plug all found information into circle equation
(x-5)² + (y-7)² =50      note the end is 50 because the circle equation is radius squared and since the radius is √50, radius² is 50.
Answer is c
8 0
3 years ago
Read 2 more answers
Which of these tools or constructions is used to inscribe a hexagon inside a circle?
Mariulka [41]
The answer is a) equilateral triangle. If you want to inscribe a hexagon inside a circle, the tools or constructions that should be used is 6 equilateral triangles. If you draw a hexagon inscribed in a circle and draw radii to the corners of the hexagon, you will create triangles, six of them.<span>
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3 0
2 years ago
Read 2 more answers
a towns population has been decreasing at a constant rate. In 2007 the population was 5100. by 2011 the population had dropped t
Gelneren [198K]
75, because 300 (5100-4800) divided by 4 ( 2007-2011) is 75. The towns population decreased at a constant rate of 75.
6 0
3 years ago
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