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3 years ago

Please help me!! This is algebra 1

Mathematics

1 answer:

MatroZZZ [7]3 years ago

7 0

Domain:

We know that

domain is all possible values of x at which y is defined

so, all given x-values in this table is domain

so, domain is {-2, -1, 0, 1, 2, 3}...........Answer

Range:

We know that

range is all possible values of y at which x is defined

so, all given y-values in this table is range

so, range is {-3, -1, 1, 3,5, 7}...........Answer

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Mr. Thomas spent $1,600 of his savings on a television set and 2/5 of the remainder on a refrigerator. He had 1/3 of his origina

Katena32 [7]

Answer:

The amount spent on the refrigerator is $ 800 .

Step-by-step explanation:

Given as :

The amount spent on television = $ 1600

Le The total amount in the account = $ A

so, The amount left in account after spent on television = $ A - $ 1600

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The amount left in his saving account = $\frac{1}{3}$ × A

Now, According to question

A - ( 1600 + $\frac{2}{5}$ × ( A - 1600 ) ) = $\frac{1}{3}$ × A

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Or, $\frac{2}{3}$ × A = 1600 + $\frac{2}{5}$ × A - $\frac{2}{5}$ × 1600

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I.e The amount spent on refrigerator = $ 800

Hence The amount spent on the refrigerator is $ 800 . Answer

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3 years ago

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Answer:

Option B

Step-by-step explanation:

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Since majority of matrix AB are zero, I will just prove the ones that are not zero.

Thus;

Second row of matrix A is multiplied by second column of matrix in option D;

(0 × 0) + (-1 × -1) + (0 × 0) = 1 which is same as 2nd number on second row in matrix AB

Lastly, third row of matrix A is multiplied by third column of matrix in option D;

(0 × 0) + (0 × 0) + (1 × -1) = -1 which is same as third number in third row in matrix AB

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Answer:

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Step-by-step explanation:

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