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Bogdan [553]
3 years ago
15

Ashley multiplied 9 x 0.942 and got 84.78. How can you use estimation to show that Ashley's answer is wrong? Use whole numbers t

o estimate. The number 0.942 is about and 9x This estimated product is Ashley's answer. So, Ashley's answer is incorrect. (Type whole numbers or decimals)​
Mathematics
1 answer:
exis [7]3 years ago
7 0

Answer:

Calculate the percent value:

0.942 =

0.942 × 100/100 =

(0.942 × 100)/100 =

94.2/100 =

94.2%;

In other words:

1) Multiply that number by 100.

2) Add the percent sign % to it.

Answer:

0.942 = 94.2%

Step-by-step explanation:

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I figured it out by doing the following:

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−3x + 2 ≥−1 in a number line
Ksivusya [100]

Answer:

Given, 3x−2<2x+1

⇒3x−2x<1+2

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Step-by-step explanation:

4 0
2 years ago
X-5y=33<br> 5x-6y=70<br> solve the system by the addition method
BARSIC [14]

For this case we have the following system of equations:

x-5y = 33\\5x-6y = 70

We multiply the first equation by -5:

-5x + 25y = -165

Thus, we have the equivalent system:

-5x + 25y = -165\\5x-6y = 70

We add the equations:

-5x + 5x + 25y-6y = -165 + 70\\19y = -95\\y = - \frac {95} {19}\\y = -5

We find the value of the variable "x":

x-5 (-5) = 33\\x + 25 = 33\\x = 33-25\\x = 8

Thus, the solution of the system is:

(x, y) :( 8, -5)

Answer:

(x, y) :( 8, -5)

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3 years ago
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