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Mnenie [13.5K]
3 years ago
14

Answer all of them please easy math questions for 20 points ​

Mathematics
1 answer:
MissTica3 years ago
4 0
1) 18
2) 4
3) 60
4) 18
5) 6
6) 4
7) 9
8) 4
9) 4
10) $35
11) 8
12) 9
13) 56
14) 10000
15) 78
16) $50
17) 10
18) 1,2,3,4,6,12
19) 1,2
20) 1000
21) 8
22) 5
23) 12
24) 366
25) 35
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What is the equation of the circle with radius, r = 11 , and the center at (0, - 7)
Dimas [21]

Answer:

A

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Given (h, k) = (0, - 7) and r = 11, then

(x - 0)² + (y - (- 7))² = 11², that is

x² + (y + 7)² = 121 → A

4 0
3 years ago
Express this number in standard form. 2.456 times 10^11 ​​
Varvara68 [4.7K]
Its 2.456*10=11

hope this helps and please rate below and also i am great with helping people who are going through a lot like family or school or friendship problems so if u want help or tips about those things or even depression feel free to ask me through message and i will see what i can do to help you. :)
5 0
3 years ago
Read 2 more answers
Freddie is walking for a charity at a constant rate. After two hours, Freddie has walked 4 miles. At 4 hours, he had walked 8 mi
lesantik [10]

Answer:

Freddie would have walked 25 miles after 12 and a half hours.

Step-by-step explanation:

Given that Freddie is walking at a constant speed, and after 2 hours he walked 4 miles, while after 4 hours he walked 8 miles, to determine how long he walked 25 miles, the following calculation must be performed:

4/2 = Miles per hour

2 miles per hour

2X = Y

2X = 25

X = 25/2

X = 12.5

Therefore, Freddie would have walked 25 miles after 12 and a half hours.

8 0
3 years ago
Assume running consumes 93 calories per mile. If you run 8 - minute miles, what is your average power output, in watts?
olya-2409 [2.1K]

Answer: 744 watts

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
N+-6=11 that's what I need to know
fomenos
N+-6=11     Write the original equation.         
    +6 +6     Add 6 to both sides.

N=17        
This is the answer.
7 0
3 years ago
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