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Jlenok [28]
3 years ago
8

State whether the ratios form a proportion.

Mathematics
1 answer:
Liula [17]3 years ago
6 0
16 to 18 simplifies down to 8 to 9 because you divide 2 to both terms
24 to 27 simplifies down to 8 to 9 because you divide 3 to both terms
So yes
A
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each month for 6 month, kelsey completes 5 paintings. how many more paintinga does she need to complete before she completed 38
eimsori [14]
She needs to complete 8 more paintings. If you multiply 6 by 5, you get 30. Subtract 30 from 38, you would get 8.
5 0
3 years ago
Coefficient of x^2 in the expansion of (x-3)^3
Mila [183]

Answer:

-9

Step-by-step explanation:

(x-3)(x-3)(x-3)

(x^2-6x+9)(x-3)

x^3-9x^2+27x-27

Therefore, the coefficient of x^2 is -9.

7 0
3 years ago
Read 2 more answers
if two angles of a triangle have measures of 42 degrees and 20 degrees what is the measure of the third
Mila [183]
Every triangle has an angle measure of 180 degrees.

so 42+20+x (where x is the measure of the third angle)=180

Combine like terms.

62+x=180

Subtract 62 from both sides

x=118.
3 0
3 years ago
How is the graph of y=9(3)^x-2 -6 translated from the graph of y=9(3)^x ?
USPshnik [31]
For this case we have the following function:
 y = 9 (3) ^ x
 Applying the following transformations we have:
 Horizontal translations
 Suppose that h> 0
 To graph y = f (x-h), move the graph of h units to the right.
 y = 9 (3) ^ (x-2)
 Vertical translations
 Suppose that k> 0
 To graph y = f (x) -k, move the graph of k units down.
 y = 9 (3) ^ (x-2) - 6
 Answer:
 
2 units to the right
 
6 units down
5 0
4 years ago
Find the unknown lengths of the sides of each triangle.
irga5000 [103]
1. B is 4 and c is 8
2. A and b are 5square root of 2
4. B is 7 and c is 14
5. A and b is 6 square root of 2
8 0
4 years ago
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