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docker41 [41]
3 years ago
12

SOLVE EQUATION BY TAKING SQUARE ROOTS. -100+81a^2=0

Mathematics
2 answers:
belka [17]3 years ago
8 0

GOOD MORNING AND CONGRATULATIONS ON YOU GRADUATING :D

IceJOKER [234]3 years ago
7 0

Answer:

a = ±10/9

Step-by-step explanation:

-100+81a^2=0\\81a^2=100\\a^2=\frac{100}{81}\\\sqrt{a^2}=\sqrt{\frac{100}{81} }\\a=10/9\\a=-10/9

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In a class of 54 students there are 6 more girls than boys. What is the ratio of the number of boys to the numbers of girls
OLEGan [10]

Answer:

6:54?

Step-by-step explanation:

Im really sorry if it's wrong but I'm pretty sure thats the answer since its a ratio

8 0
3 years ago
bob has 64 cups. could he distribute them into 6 equally in stacks and not have any left over? Explain
Iteru [2.4K]

Bob cannot distribute the cups in six equal stacks and not have any left over.

Step-by-step explanation:

In order to divide the total number of cups in six equal stacks with no left over, the total number of cups will be divided by 6, if there is any remainder then the cups cannot be equally divided with no left over.

So

Dividing 64 by 6

= \frac{64}{6} \\= 10\frac{4}{6}

Here

Quotient = 10

Remainder = 4

As there are 4 cups left, Bob cannot distribute the cups in six equal stacks and not have any left over.

Keywords: Division, fractions

Learn more about division at:

  • brainly.com/question/4464845
  • brainly.com/question/4522984

#LearnwithBrainly

8 0
2 years ago
The pair (-1, 1) is a solution to the equation 2y - 3x = 5. Find another (x, y) pair that is a
morpeh [17]

Answer: (1,4)

Step-by-step explanation:

Given

Equation of line is 2y-3x=5

(-1,1) is the solution of the equation

Take x=1 and substitute it in the above equation

\Rightarrow 2y-3(1)=5\\\Rightarrow 2y=5+3\\\Rightarrow y=4

So, another pair of the solution is (1,4)

6 0
3 years ago
the least square yard is 15 yards by 15 yards. how many feet of fencing will they need to buy to fence in all four sides
vekshin1
The answer is 225

plz mark as brainliest. i really need it
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3 years ago
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Viktor [21]

Answer:

160

Step-by-step explanation:

10% of the candies is 16, and to get 100% from 10% is to multiply by 10.

So 10% *10 = 100%, then by association if 16 = 10%, then 16*10 will be the total 100%.

7 0
2 years ago
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