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SIZIF [17.4K]
2 years ago
7

4b + 3 = 2b + 13 Can someone please help me with this problem​

Mathematics
1 answer:
Studentka2010 [4]2 years ago
5 0

Answer:

b = 5

Step-by-step explanation:

4b - 2b = 13 - 3 \\ 2b = 10 \\ b = 5

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A circle passes through point (-2, -1) and its center is at (2, -1). Which equation represents the circle?
Anastaziya [24]

Answer:

  \text{A)}\qquad (x-2)^2+(y+1)^2=16

Step-by-step explanation:

The formula for a circle of radius r centered at (h, k) is ...

  (x -h)^2 +(y -k)^2 = r^2

Both of the given points are on the line y=-1. The distance between them is the difference of their x-coordinates, 2 -(-2) = 4. So, the radius of the circle is 4 and the equation becomes ...

  (x -2)^2 +(y -(-1))^2 = 4^2

  (x -2)^2 +(y +1)^2 = 16 . . . . . . . . . matches choice A

7 0
3 years ago
When the sum of a number and 14 is<br> divided by 3, the result is 4.
kvv77 [185]

Answer:

it is 4.6 sorry girl

Step-by-step explanation:

5 0
3 years ago
How do I get rid of log and ln?
insens350 [35]
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7 0
3 years ago
Write an expression in simplest form that represents the cost for shampooing and cutting w women's hair and m men's hair.
tensa zangetsu [6.8K]

Answer:

the cost of the women's haircut is $15 and to shampoo the woman's hair is $5

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7+2=$9 is how much it cost for the men.

Step-by-step explanation:

6 0
3 years ago
Two number add to 336 and the first is bigger that the second. What are the two numbers?
makvit [3.9K]
336 divided by 2 is 168.

so just change it up. 

the two numbers can be 166+170


7 0
3 years ago
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