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3 years ago

14

Which choice best describes a substance’s state?

1 answer:

Juliette [100K]3 years ago

7 0

Whether its a solid, liquid or gas

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−1.4+(−2.6+3.8)=(−1.4+(−2.6))+3.8 what property is this?

Troyanec [42]

This is the Associative Property of Addition.

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3 years ago

If ABC is a right-angled triangle at B, sin A + Cos C = 1, find: m (<A)

emmasim [6.3K]

A = 30 degrees

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3 years ago

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a business owner pays $500 a week for rent.He also pays an employee $16 an hour.If his total weekly expenses are $1,172 ,how man

Ganezh [65]

42 hours

EXPLANATION:

To find the answer, we should start with the total and get rid of the amounts that we know.

So we know the total is 1,172 in a week, and that 500 dollars of it is for rent.

1,172 - 500 =672.

Now we have 672 left.

We know that it was all spent on employees.

we know it is $16 for each hour.

672 divided by 16 is 42 total hours.

Hope this helps!

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3 years ago

Mrs. Kwok is 6 years more than 3 times as old as her son. Six years ago, she was 14 year more than twice as old as her son was t

Orlov [11]

She’s 28? While her son is 10?

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3 years ago

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Consider the polynomial functionP(x)=x³-8x²-29x+180.State the zeros of P.

Len [333]

Answer:

x = 4 , x = 9 , x = -5

Step-by-step explanation:

Given: P(x)=x³-8x²-29x+180

Find the zeros of the polynomial.

First we factor the polynomial and then set each factor to 0.

P(x)=0

Put x=4 into P(x)

$P(4)=4^3-8\cdot 4^2-29\cdot 4+180$

P(4)=0

Divide the polynomial by x-4

$(x^3-8x^2-29x+180)\div (x-4)=x^2-4x-45$

$(x-4)(x^2-4x-45)=0$

$(x-4)(x-9)(x+5)=0$

Set each factor to 0

x - 4 = 0 | x - 9 = 0 | x + 5 = 0

x = 4 , x = 9 , x = -5

Zeros of the polynomial, P(x), are -5,4 and 9

3 0

3 years ago