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3 years ago

Please Help!!!

1 answer:

7 0

So, 1/3 of something is 21.

1/3 of x is not the full x: we know that the x is 21 and even more. So, it must be bigger than 21, since it has 21 and something else (and since 21 is not negative): the solution MUST be greater than 21.

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Morgan knows that 3 gallons of water weigh 25 pounds.<br> How much do 10 gallons of water weigh?

olga_2 [115]

The full answer would be 83.454 but you can just say 83 pounds. Both are right

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3 years ago

What the first four common multiples on 3 like for 2,4,6,8

maksim [4K]

Answer:

3,6,9,12

Step-by-step explanation:

Add 3 to every number after 3.

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2 years ago

(28⋅ 5−5⋅ 190)−2⋅⋅ 228 in simplified form I NEED HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

melisa1 [442]

Answer:

-1266

Step-by-step explanation:

$(28 \times 5 - 5 \times 190) - 2 \times 228 \\ (140 - 950) - 456 \\ ( - 810) - 456 \\ - 810 - 456$

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2 years ago

Evaluate p/2-5 when p=14

Dovator [93]

Answer:

$- 4.67$

Step-by-step explanation:

$\frac{p}{2 - 5} = \frac{14}{2 - 5} = \frac{14}{ - 3} = - 4.67$

5 0

2 years ago

Given the equation 2X +4/3 Y equals one and Y -9/13 x=9 by what Vector would you multiply the first equation so that combining t

Mila [183]

Answer: Option B

B. $\frac{9}{26}$

Step-by-step explanation:

We have the following equations:

$2x + \frac{4}{3}y = 1$ (1)

$y -\frac{9}{13}x=9$ (2)

Let us call "a" the coefficient of the variable x in the first equation and call "b" the coefficient of the variable x in the second equation.

Then we must multiply the number "a" by a value z such that when adding $az + b$ the result is zero. $a = 2$

$b = -\frac{9}{13}$

$2z-\frac{9}{13} = 0$

We solve the equation for z

$2z=\frac{9}{13}$

$z=\frac{9}{26}$

The first equation must be multiplied by a value of $\frac{9}{26}$

4 0

3 years ago