3 years ago

I can’t find an answer

1 answer:

8 0

Part A the second measurement is 1 because everything you do to the numerator you do to the denominator. So for Part A the other cups is 1

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If x=9 and y=−2, evaluate the following expression : 6x−8y

Mazyrski [523]

6(9)-8(-2)

6*9=54

8*(-2)=-16

54-16=38

38<-----

4 0

2 years ago

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The function g is defined by the following rule.<br> g (x) = 4x + 2<br> complete the function table.

TiliK225 [7]

Answer:

-10, -6, 6, 10, 18

Step-by-step explanation:

3 0

2 years ago

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Show that if A is invertible, then det Upper A Superscript negative 1det A−1equals=StartFraction 1 Over det Upper A EndFraction

netineya [11]

Answer:

Therefore

$det(A)*det(A^{-1}) = 1$ and $det(A^{-1}) = 1/det(A)$

Step-by-step explanation:

Remember that if

$I$ = Identity Matrix

then $det(I)=1$ .

Also remember that for any invertible matrix

$A*A^{-1} = I =$ Identity Matrix.

Therefore

$det(A*A^{-1}) = det(A)*det(A^{-1}) = det(I) = 1$

Therefore

$det(A)*det(A^{-1}) = 1$ and $det(A^{-1}) = 1/det(A)$

7 0

3 years ago

What is 73×28 in multiply with regrouping

klio [65]

First, u multiply 8x3. Only the 4 can go in the ones place so put the four beneath the line and put the 2 over the 7.
Multiply 8x7 and add 2.
Move to the tens place, do 2x3 then 2x7.
Add the products and put the comma. Then ur done

4 0

2 years ago

A school paid $31.25 for each calculator. If the school bought x calculators, how much did they pay?

Katyanochek1 [597]

Answer:

31.25×

Step-by-step explanation:

suppose that the value of x was 3 . that would mean that they bought 3 calculators .

if one calculator is $31.25 then 3 would be $31.25× 3

the same rule would apply for x

7 0

3 years ago