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scZoUnD [109]
3 years ago
9

-2x-9y=-25 -4x-9y=-23 Solution -1,3

Mathematics
1 answer:
Darina [25.2K]3 years ago
5 0

Step-by-step explanation:

ask me if u dont understand

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The difference between twice the product of a and b and the quotient of these
VladimirAG [237]

Answer:

DIFFERENCE – The difference of two numbers is the result of subtracting these two numbers. PRODUCT – The product of two or more numbers is the result of multiplying these numbers. QUOTIENT – The quotient of two numbers is the result of the division of these numbers.

Step-by-step explanation:

8 0
3 years ago
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-1/5a+21=23 whats the answer
sp2606 [1]

Answer:

A =  -10

Step-by-step explanation:

Combine multiplied terms into a single fraction find common denominator etc etc.

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A Mallard duck flies 5 6 of a mile in 1 60 of a hour. Compute the unit rate by setting up a complex fraction and simplifying.
seropon [69]
Important:  Please express fractions properly:  use the " / " symbol to represent division.  Your question should read:

"<span>A Mallard duck flies 5/6 of a mile in 1/60 of a hour.  Find the rate (speed) at which it flies."

To do this, divide the distance flown by the elapsed time:
                                    5
5/6   mile                  -----
-----------------   =  -------6------------- miles / hr
1/60   hour </span>
                                        1
                                       -----
                                         60

to divide 5/6 by 1/60,  write    5/6 and multiply that by the reciprocal of 1/60. 

In other words,   write    5/6, invert (1/60) and then multiply.

This comes out to                    (5)(60)
                                                ----------  mph
                                                  (6)(1)

Do not multiply here.  Instead, reduce 60/6 to 10/1.

Can you now write out the final answer, in mph?  (miles per hour)

8 0
3 years ago
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Express the repeating decimal number as a quotient of two integers 2.63
arlik [135]

Answer: 2 63/100

(2 and 63 hundredths)

8 0
3 years ago
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PLEASE HELP ME WITH MY MATH QUESTIONS IF YOU HELP ME I WILL GIVE YOU BRAINLIEST
ankoles [38]
For the graphing if for example it says (3,-9) then you start at the very middle called the origin. Then go to the right 3.(this is called the x-axis) then go down 9 (this is the y axis) stop there and put you point. I hope this kinda helps explain this to you better :/
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