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slava [35]
2 years ago
11

The area of a square is 81m^2. Find the length of each side.

Mathematics
1 answer:
yulyashka [42]2 years ago
5 0

Answer:

L = 9m

Step-by-step explanation:

A = LxL

= L^2

L^2 = 81

L =

\sqrt{81}

= 9

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Help me pls I need this by today
asambeis [7]

Answer: r=0.4 its a guess but i dont think thats a negitive slope it looks positive so :P

Step-by-step explanation:

4 0
2 years ago
11.
ra1l [238]

Answer:

$733.33

Step-by-step explanation:

The question is on finding the principal value

Formulae for simple interest

S.I= P×R/100×T where P is the invested amount of money, R is interest rate and T is time in years

Given that;

Simple interest=$77 , R=7% and T=1.5 years then

S.I= P×R/100×T...................substituting the values given

77=P×7/100 × 1.5

77=P×0.105

77/0.105 =P

$733.33=P

5 0
3 years ago
Lexi made 14 sandwiches for a group picnic. The number of ham sandwiches she made was 4 less than the twice the number of turkey
shutvik [7]

x = # of ham sandwiches

14-x = # of turkey sandwiches ( as Lexi made 14 sandwiches)


as the question said that the number of ha sandwiches are 4 less than twice number of turkey sandwiches,

x = 2 * (14-x) - 4 = 24 - 2x

3x=24

x = 8


the number of ham sandwiches is 8, and the number of turkey sandwiches is 14-8=6

6 0
3 years ago
Can someone please work out and explain to me, how to complete Q23?<br><br> Much Appreciated
velikii [3]

You would use the sine rule. This is because the sine rule is when you know two of the angles on any triangle.

Brainliest please! <3

4 0
3 years ago
Find an expression for the function f(x) whose graph is a line passing through the points (8,-5) and (-9,2). f(x)=
kolbaska11 [484]

Answer: f(x) = - 7x/17 - 29/17

Step-by-step explanation:

The expression for the function f(x) would be represented in the slope-intercept form, y = mx + c

Where

c represents the y intercept.

m represents the slope of the line.

Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis represent

change in the value of y = y2 - y1

Change in value of x = x2 -x1

The line passes through (8, - 5) and (- 9, 2),

y2 = 2

y1 = - 5

x2 = - 9

x1 = 8

Slope,m = ( 2 - - 5)/(- 9 - 8) = 7/- 17 =

- 7/17

To determine the intercept, we would substitute x = 8, y = - 5 and m = - 7/17 into

y = mx + c. It becomes

- 5 = - 7/17 × 8 + c

- 5 = - 56/17 + c

c = - 5 + 56/17

c = - 29/17

The equation becomes

f(x) = - 7x/17 - 29/17

8 0
3 years ago
Read 2 more answers
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