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Marianna [84]
3 years ago
7

PLEASE HELP I WILL MARK YOU BRANILIEST

Mathematics
1 answer:
Monica [59]3 years ago
6 0

Answer:

A. base: 2.5in Height: 6in area: 7.2in

B. Base: 4.8cm Height: 4cm area: 5cm

Step-by-step explanation:

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Find the missing coefficient.<br><br> -<br> y2 − [-5y − y(-7y − 9)] − [-y (15y + 4)] = 0
maria [59]
There is only one solution in the given equation -y2 − [-5y − y(-7y − 9)] − [-y (15y + 4)] = 0. In solving this problem, apply first PEMDAS (parenthesis, exponents,multiplication, division, addition, subtraction). Then equation will transform into -y2+5y-7y2-9y+15y2+4y=0. Combine terms with same power and achieve 7y2=0. Divide both sides with 7 and perform square root of zero. Since the root is zero, we have one solution of the given equation which is y=0.
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3 years ago
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How many different 4 digit numbers can be made from the digits 1,2,6,8,9
Neko [114]

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Step-by-step explanation:

6 0
3 years ago
Erik and Nita are playing a game with numbers. In the game, they each think of a random number from zero to 20. If the differenc
Mademuasel [1]
Let X is the random number Erik thinks of, and Y is the random number Nita thinks of.
Both X and Y are in the range from 0 to 20.
<span>X<=20
Y<=20
If the difference between their two numbers is less than 10, then Erik wins.
The difference between the two numbers can be written X-Y, or Y-X depending on which number (X or Y) is greater. But we do not know that. In order not to get negative value, we calculate absolute value of X-Y,  written |X-Y| which will give positive value whether X is greater than Y or not.
If |X-Y|<10 Erik wins.
</span><span>If the difference between their two numbers is greater than 10, then Nita wins. 
</span><span>If |X-Y|>10 Nita Wins

</span>
6 0
3 years ago
What is/are the variable(s) in this expression: 6a-7b+8
Tomtit [17]

Answer:

a , b

Step-by-step explanation:

ans this are the variables

5 0
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Plz help I need the answer <br><br> You have to solve for the variable
serious [3.7K]
X=10 let me know if you need the work
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