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AnnyKZ [126]
2 years ago
6

Can you add the square root of 6 and the square root of 24? Explain why or why not.

Mathematics
1 answer:
nalin [4]2 years ago
3 0
As i understand you can, you'd just have to square them first then add up the result
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Lewis has a bag of colored marbles. The bag contains 24 red marbles, 36 blue marbles, and 60 yellow marbles. What are the ratios
Y_Kistochka [10]

I think it's (A). if not it's (C)

7 0
3 years ago
one tamk of gasoline has an octane rating of 140 and another tank of gasoline has an octane rating of 80. To obtain a mixture of
Zarrin [17]

Answer:

20 gallons were used from the tank with the octane rating of 80.

Step-by-step explanation:

Given : One tank of gasoline has an octane rating of 140 and another tank of gasoline has an octane rating of 80. To obtain a mixture of 60 gallons with an octane rating of 120.

To find : How many gallons should be used from the tank with the octane rating of 80?

Solution : Let x be the volume of gas whose octane rating is 140 and

y be the volume of gas whose octane rating is 80.

Then, we form the equation as:

(1) x\times140 + y\times80 = 60\times120

140x+80y = 7200

or  7x+4y = 360 .........[3]

(2) x + y = 60

Now multiply equation (2) by 4  

4x + 4y = 240 ...........[4]

Subtract (4) from (3)  

7x+4y-4x-4y=360-240

3x=120

x=\frac{120}{3}

x=40

Put x in equation [4] we get,

4(40) + 4y = 240

160 + 4y = 240

4y = 80

y=\frac{80}{4}

y=20

Therefore, x=40 and y=20

So, 20 gallons were used from the tank with the octane rating of 80.






7 0
3 years ago
Simplify the expression.<br> (5+i)(2-7i)
scZoUnD [109]

Answer:

17-33i

Step-by-step explanation:

Multiply using the foil method than combined the real and imaginary parts of the expression

5 0
3 years ago
Write an expression that is equivalent to 3(2t+6)-4t.
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Use the distribution property.
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2 years ago
PLEASE PLEASE PLEASE HELP ME I’LL MARK BRAINLIEST IF YOU DO
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Answer:

c

Step-by-step explanation:

5 0
2 years ago
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