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3 years ago

Evaluate the given algebraic expression for x = 3 and y=3. x^2y^2

Mathematics

1 answer:

Keith_Richards [23]3 years ago

7 0

Answer:

Step-by-step explanation:

$3^{2} =9\\3^{2} =9$

9 x 9 = 81

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The results of a swim Wet are shown. Who swam faster explain your reasoning

kolbaska11 [484]

Answer:

The Susana swam the fastest.

Step-by-step explanation:

Speed : It is defined as the distance traveled per unit time.

Formula used : $Speed = \frac{Distance}{Time}$

First we have to determine speed of the following persons.

For Tawni :

Distance = 50 m

Time = 40.8 s

1.225 m/s which is the speed of Tawni.

For Pepita :

Distance = 100 m

Time = 60.2 s

1.661 m/s which is the speed of Pepita

For Susana :

Distance = 200 m

Time = 112.4 s

1.779 m/s which is the speed of Susana

From this we conclude that, in this problem meter affects the response and the speed of Susana is more than the Pepita and Tawani.

Thus, Susana swam the fastest.

7 0

3 years ago

Che sum of two numbers is 2. If one number is subtracted from the other, their difference is - 8. Find the numbeRs

goldfiish [28.3K]

I wanna say 10 or ether -10 since if it was subtracted from 2 then it would equal -8

7 0

2 years ago

Read 2 more answers

Solve the literal equation for y, 2x-2y=5

sukhopar [10]

Answer:

y=-5/2+x

Step-by-step explanation:

4 0

3 years ago

The sum of the two digit number is 12. If the digit are revesed, then the new number is 18 less than the originaol muber that is

FromTheMoon [43]

Answer:

A) X + Y = 12

B) 10Y + x = 10x + Y -18

B) 9Y = 9x -18 multiplying A) by -9

A) -9Y = 9x - 72 adding A and B we get

0 = 18x -90

x = 5

The number is 75

Double-Check

7 + 5 = 12

75 -57 = 18

Step-by-step explanation:

6 0

3 years ago

Find the value of m .

kondor19780726 [428]

Step-by-step explanation:

if the 2 matrices are inverse, then their product must be the identity matrix

1 0

0 1

so,

m×3 + 2×-7 = 1

7×3 + 3×-7 = 0

m×-2 + 2×m = 0

7×-2 + 3×m = 1

that means we have to solve only

3m - 14 = 1

3m = 15

m = 5

7 0

2 years ago