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DIA [1.3K]
3 years ago
14

What is -1/9 + 2/9 equal to

Mathematics
2 answers:
Orlov [11]3 years ago
7 0

Answer:

1/9

Step-by-step explanation:

stich3 [128]3 years ago
5 0

Answer:

1/9

Step-by-step explanation:

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During the 7 minutes previous to landing, an airplane decreased in elevation by −3,192 feet. Determine the mean elevation change
GarryVolchara [31]

Answer:

The answer is -456 feet per minute.

Step-by-step explanation:

They are asking for the average elevation change per minute. Since there are 7 minutes, you would divide -3,192 by 7, and that would result in -456

4 0
3 years ago
Read 2 more answers
Please answer this question I'm giving 12 points worth of this question. The question is " A box contains 40 marbles that are re
nirvana33 [79]

There is 14 green marbles because

2/5 = 16 blue marbles

1/4 = 10 red marbles so 16+10= 26 & 40-26=14

8 0
4 years ago
2x > 14
Fittoniya [83]

Answer:

it's option 2) x > 7

Step-by-step explanation:

7 × 2 = 14

6 0
3 years ago
What is the constant of variation kk of the direct variation, y =kx through (-3,2)?
irakobra [83]
\bf \qquad \qquad \textit{direct proportional variation}
\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------\\\\
\stackrel{(-3~~,~~2)}{\textit{we also know that }}
\begin{cases}
x=-3\\
y=2
\end{cases}\implies 2=k(-3)\implies \cfrac{2}{-3}=k
8 0
3 years ago
Caleb claims that when you multiply a number by 10, you can just write a 0 at the right end of the number. Caleb gives the examp
sleet_krkn [62]

Answer:

Noah is correct

Step-by-step explanation:

When we multiply a whole number, (without decimal notation)  by 10 we can arrive at the correct answer by adding 0 to the right end of the number. However, it is not the general rule as the above method only applies to whole numbers because we have.

10 × 5 = 50

However,

10 × 5.0 ≠ 5.00

And

10 × 0.05 ≠ 0.050

The general rule is when multiplying a number by 10 it simply means shifting the decimal place one position to the left. The result of which is for whole numbers, when we shift the decimal place one place to the left, we add a zero to the right end of the number as follows;

10 × 30 = 300

Also when we multiply a decimal (fraction) by 10 we shift the place of decimal (decimal place) one decimal place to the right as follows;

10 × 0.003 = 0.03

Therefore, simply adding 0 to the right end of a number (including numbers with decimal fraction) when the number is multiplied by 10 to get the correct result is not always true.

7 0
3 years ago
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