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4 years ago

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Tina went to a donut shop and bought two glazed donuts, three iced donuts and one filled donut for her family. If sales tax for

her order was $0.43 and Tina paid with a $10 bill, how much change did she receive?

1 answer:

slavikrds [6]4 years ago

4 0

Answer:

idk anyone who could answer else

Step-by-step explanation:

anyone???

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What is the answer please -16-1x=-4x+8

Alisiya [41]

-16-1x = -4x +8

add 1x to each side

-16 = -3x +8

subtract 8 from each side

-24 = -3x

divide both sides by -3

x = -24 / -3 = 8

x = 8

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4 years ago

Suppose that A is nonsingular. Prove that its inverse A-1 is unique. [Hint: Show that if there exists two matrices, B and C, suc

Bogdan [553]

Answer with Step-by-step explanation:

Let A is non-singular

$\mid A\mid\neq 0$

We have to prove that $A^{-1}$ is unique.

Suppose B and C are inverse of A such that

$BA=I$ and AC=I

By using property $AA^{-1}=A^{-1}A=I$

$C=C$

$(BA)C=B(AC)$

$I\cdot C=B\cdot I$

$C=B$

Hence, the inverse of A is unique.

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3 years ago

Help me please! I give brainliest

Veseljchak [2.6K]

What are you looking for because you can not simplify those

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4 years ago

On Thursday a local shop sold a combination of 417 hamburgers and cheese burgers. The number of cheeseburgers sold was two times

seropon [69]

Answer:

The number of hamburgers sold was 139 and the number of cheeseburgers sold was 278.

Step-by-step explanation:

Let

x -----> the numbers of hamburgers sold on Thursday

y -----> the numbers of cheeseburgers sold on Thursday

we know that

$x+y=417$ ----> equation A

$y=2x$ ----> equation B

Substitute the equation B in equation A and solve for x

$x+2x=417$

$3x=417$

$x=139$

Find the value of y

$y=2(139)=278$

therefore

The number of hamburgers sold was 139 and the number of cheeseburgers sold was 278.

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3 years ago

You suddenly realize that you do not like to add fractions. You ask your three best friends if they like to add fractions and th

Anettt [7]

The answer is B. deductive reasoning.

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3 years ago