2 years ago

Evaluate -3.25 - 2.75z for z = -4.

Mathematics

1 answer:

Usimov [2.4K]2 years ago

4 0

The answer is $7.75 -3.25-2.75x-4=$7.75

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To divide using a model, which of the following are true? Select all that are correct.

LUCKY_DIMON [66]

Answer:

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Step-by-step explanation:

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2 years ago

Divide 9y power 2 by 3<br><br>divide (8x power 2 +4x ) by 2x

olchik [2.2K]

Answer:

1=27

2=34

Step-by-step explanation:

1)9y power 2÷3

or, y=9 power 2÷3

or, y=9×9÷3

or, y=81÷3

or, y=27

2) (8x power 2+4x)÷2

=(8x×8+4x)÷2

=(64x+4x)÷2

=68x÷2

or, x=68÷2

or, x=34

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3 years ago

What is the sum of the given polynomials in standard form?

Aneli [31]

Answer:

D. -x2 + 2x -3

Step-by-step explanation:

the first step is we open all the brackets then it will be :

x2 - 3x - 2x2 + 5x - 3

= x2 - 2x2 - 3x + 5x - 3

= -x2 + 2x -3

4 0

3 years ago

Please answer this for me i need a step by step example

nataly862011 [7]

I’m not sure. But I’m sure someone will help you. I haven’t done it in a while. Sorry about that

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2 years ago

Read 2 more answers

Which inequalities are true? Choose all answers that are correct.

Fudgin [204]

A) $5 \ \textless \ -7$ is false. There is no solution.
B) $-3 \ \textgreater \ -1$ is false. There is no solution.
C) $8 \ \textgreater \ -13$ is true. It has infinite solutions.
D) $-10 \ \textless \ -6$ is true. It has infinite solutions.
E) $-14 \ \textless \ -15$ is false. There is no solution.

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3 years ago