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brilliants [131]
3 years ago
7

81 square root equals

Mathematics
2 answers:
kolbaska11 [484]3 years ago
5 0
Square root of 81 is equal to 9 
9x9=81
hope it helps
pshichka [43]3 years ago
4 0
9. Nine times nine equals 81 :)
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Which choice is the solution for this system ? 2x − 5y = 14 x + 3 2 y = 5
VashaNatasha [74]

Answer:

The required solution is (5.75,-0.5). It can be written as (\frac{11}{4},-\frac{1}{2}).

Step-by-step explanation:

The given equations are

2x-5y=14                       .... (1)

x+\frac{3}{2}y=5            .... (2)

Multiply the equation (2) by 2.

2x+3y=10                     .... (3)

Subtract equation (1) from equation (3).

2x+3y-(2x-5y)=10-14

2x+3y-2x+5y=-4

8y=-4

y=-\frac{1}{2}=-0.5

Put this value in equation (1).

2x-5(-0.5)=14

2x+2.5=14

2x=11.5

x=5.75

Therefore the required solution is (5.75,-0.5). It can be written as (\frac{11}{4},-\frac{1}{2}).

3 0
2 years ago
Samuel walks in the Labor Day parade. He walks 3 1/4 miles along the parade route and 2 5/6 miles home. How many miles does Samu
Afina-wow [57]
Find a common denominator which is 12

1*3=3   4*3=12  so 3 3/12

then 5*2=10   6*2=12     so 2 10/12

2 10/12+3 3/12= 5 13/12  

13/12= 1 1/12 plus 5= 6 1/12

so your answer would be 6 1/12
3 0
2 years ago
Read 2 more answers
PLEASE HELP WILL GIVE BRAINLIEST <br> I don't understand this at all
castortr0y [4]

Answer:

y= -x(x+2)(x-1)².

Step-by-step explanation:

the graph and equation is in the attached picture.

The zeros of function y are: -2; 0 and 1 - they help to determine the required equation.

4 0
2 years ago
HELPPPPP PLEASE. NEED IT ASAP
MAXImum [283]

Answer:

48

Step-by-step explanation:

30/3=10 for all in 1 week

10/5=2 each person in a meal

Since all eat the same amount, 2x3=6 per meal. 6 hot dogs x 8 meals= 48 hot dogs in total

Hope this helped XD

3 0
3 years ago
2.
andrew11 [14]

Answer:

the digit two is in tens... so a) is the answer

4 0
2 years ago
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