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Aliun [14]
3 years ago
11

Hope someone can help me with this

Mathematics
1 answer:
RoseWind [281]3 years ago
7 0
(192/16)*4.55*1.43 = 39039/500 =78.078
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Please help. 50 points + brainliest
Korvikt [17]

Answer:

1. (a-c)\sqrt{x} + b\sqrt{y}

2. 9m + 2\sqrt{n}

3. 6a

4. (5a - 3b)\sqrt{5y}

Step-by-step explanation:

1. since a and c share the same squareroot x, you can combine these together.

2. First add like terms together. 4m - m + 6m = 9m. Then 5\sqrt{n} and -3\sqrt{n} combined equals 2\sqrt{n}

3. First simplify the square roots. squareroot of 16 is 4. square root of 49 is 7. square root of 81 is 9. They are all multiplied by a in the expression. Thus 4a - 7a + 9a = 6a

4. First simplify the radicals, they are not perfect. square root of 125 is equivalent to sqrt(25 * 5), which sqrt of 25 is 5, but we keep the sqrt of 5. For sqrt of 45, it is the same as sqrt9 * sqrt5. sqrt of 9 is the same as 3 and we keep sqrt 5. Thus we get the below:

5a\sqrt{5y} - 3b\sqrt{5y}

We can combine the two like terms and get the final answer above.

please give thanks by clicking the heart :)

3 0
3 years ago
easy algebra question below first correct answer gets brainliest, if you put a link i will report and block
boyakko [2]

Answer:

6x²

Step-by-step explanation:

3x×2x=6...... then an x²

Therefore answer is 6x²

3 0
2 years ago
Suppose y varies directly with x and y=72 when x=6. what direct variation equation relates x and y? what is the value of y when
scoundrel [369]
Y=12x
Check: 72=12(6)
             72=72
y=12x
y=12(10)
y=120
when x is 10 y is 120 

6 0
3 years ago
Read 2 more answers
What is the slope?
Lena [83]

Answer:

3/4

Step-by-step explanation:

We need two points to find the slope

( 20,20) and (60,50)

m = (y2-y1)/(x2-x1)

   = (50-20)/(60-20)

   = 30/40

   = 3/4

4 0
3 years ago
What is the 3rd term of the sequence 4n-1?
notsponge [240]
3(4) - 1 = 12 - 1 = 11
4 0
3 years ago
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