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soldi70 [24.7K]
3 years ago
8

3 + 2n = 9 what is n

Mathematics
2 answers:
jonny [76]3 years ago
6 0

Answer:

n=3

Step-by-step explanation:

mamaluj [8]3 years ago
3 0

Answer:

3 + 2n = 9

-3            -3

=0            =6

2n=6

Since the 2 is being times by n we divide by the answer

6/2 = 3

3 is the Answer.

Step-by-step explanation:

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The product of a number and 7 decreased by 2
Mashcka [7]

Answer:

(x× 7) -2

Step-by-step explanation:

(x× 7) -2

product of # = x

and 7 means to multiply

decreased by two means -2

3 0
4 years ago
Read 2 more answers
Suppose a circle with center (14, 9) passes through point (16, 12). Which equation represents the circle?
kumpel [21]

Answer:

The equation that represents the circle is (x-14)^{2} + (y-9)^{2} = 13

Step-by-step explanation:

Given the center of circle (14,9) passes through point (16,12)

We know that the equation of circle is

(x-h)^{2} + (y-k)^{2} = r^{2}

where (x,y) is any point on the circle, (h,k) is center of the circle and r is radius of circle.

From given data (x,y) is (16,12) and (h,k) is (14,9). Substituting these values in equation of circle, we get

(16-14)^{2} + (12-9)^{2} = r^{2}

r^{2} = 2^{2} + 3^{2}

r^{2} = 13

Substituting the values of (h,K) and  r^{2} as (14,9) and 13 respectively in equation of circle, we get

(x-14)^{2} + (y-9)^{2} = 13

Hence the equation that represents the circle is (x-14)^{2} + (y-9)^{2} = 13

7 0
3 years ago
PLEASE PLEASE PLEASE HELP ​
ycow [4]

Answer: Your picture is blocked.

Step-by-step explanation:

5 0
4 years ago
Write the value of b when the expression 14.1x + b is<br> equivalent to 4.7(3x – 5).
katovenus [111]

Answer:

b = -23.5

Step-by-step explanation:

4.7(3x - 5) = 14.1x - 23.5

6 0
3 years ago
The ratio of the corresponding edge lengths of two similar solids is 2:5. What is the ratio of their surface areas?
Reptile [31]
4: 25

l1=2
l2=5

surface area= 6*l^2

so for 1st =6*2^2
2nd= 6*5^2

ratio=6*2^2  /6*5^2

ratio= 4/25
or 4:25
5 0
3 years ago
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