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krok68 [10]
3 years ago
14

Please help asap!! will give brainlist :)

Mathematics
2 answers:
Naddik [55]3 years ago
8 0

Yo sup??

Area of trapezium=1/2*(sum of opposite sides)*(height of trapezium)

=1/2*(12.5+17.5)*6

=1/2*30*6

=90 cm²

Therefore the correct answer is option A

Hope this helps.

Tanya [424]3 years ago
7 0

Answer

90:

Step-by-step explanation:

You have to use the formula.

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EXPAND:<br> (p-2p)^3 <br>Plz answer. ​
sammy [17]

Answer:

-p^3

Step-by-step explanation:

( p - 2 p ) ^ 3

combine p and 2p to get -p

》expand (-p)^3

》(-1)^3p^3

calculate -1 to the power of 3 and get -1

and this equals -p^3

5 0
3 years ago
Solve the system:<br> 5y+8(x−3y)=7x−12 <br> 9x+3(x−9y)=11y+46
Pie

Answer:

5y+8(x-3y)=7x-12

5y+8x-24y=7x-12

8x-7x + 5y-24y= -12

X - 19y = - 12

9x+3(x-9y) =11y+46

9x+3x - 27y = 11y + 46

12x -27y - 11y = 46

12x - 38y = 46

Now joining together

X - 19y = - 12

12x - 38y = 46

Multiple by 12 the first equation and Substract after

12x - 228y = -144

12x - 38y = 46

- 190y = -98

Y = 1.9

12x - 38y = 46

12x - 38(1.9) = 46

12x - 73.67 = 46

12x = 46 + 73.67

12x = 119.67

X = 9.97

So the answer are :

X = 9.97

Y = 1.9

Step-by-step explanation:

3 0
3 years ago
What is the inverse of f(x)=(x-5)^2 for x greater or equal to 5 where function g is the inverse of function f
koban [17]

Answer:


y=\sqrt{x}+5

Step-by-step explanation:


The inverse of a function, is the function or rule formed by reflecting the line over y=x. This means essentially that all (x,y) values from the original function switch to (y,x).


(x,y)--->(y,x) in the new function.


If the function has points (-3,4) and (5,-2) then the inverse has points (4,-3) and (-2, 5).


We can find the equation of the inverse by switching x and y in the equation and solving for y.

This means that y=(x-5)^2 becomes x=(y-5)^2. We now solve for y through inverse operations.

x=(y-5)^2

x=(y-5)^2\\\sqrt{x} =\sqrt{(y-5)^2} \\\sqrt{x} =y-5\\\sqrt{x} +5=y

6 0
3 years ago
Evaluate 8^2/3 using the power to a power rule<br> (a^x)^y = a^xy
saveliy_v [14]

Answer:

Step-by-step explanation:

Ea sports be like more money

7 0
3 years ago
What would x be?????
yarga [219]

Answer:

  12 cm

Step-by-step explanation:

The square of the length of the tangent segment is equal to the product of near and far distances to the circle from the point of intersection of the secant and tangent:

  (8 cm)^2 = (4 cm)(4 cm +x)

  16 cm = 4 cm +x . . . . . . divide by 4 cm

  12 cm = x . . . . . . . . . . . . subtract 4 cm

6 0
3 years ago
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