4 years ago

What is a number k is less than 10 as an inequality

Mathematics

1 answer:

joja [24]4 years ago

5 0

K<10; Because k is less than which means any number under 10

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Which of the following points is on the graph of y=x^2-4x+5 ?

Andrews [41]

Answer:

0,7

Step-by-step explanation:

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3 years ago

An item costs $45.60. If there is a 30% discount on the item, what is the discounted cost of the item?

kondor19780726 [428]

Discounted Cost= Cost of Item - (Cost of Item * % Discount)

= $45.60 - ($45.60 * 30%)
convert % to decimal (30% ÷ 100)

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= 45.60 - 13.68

= $31.92 discounted cost

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Hope this helps! :)

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3 years ago

3+ 4×12 Word problem

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Every 4 seconds, a ski lift chair rises 14 feet. Describe the relationship between the height of the chair and the time.

Svetradugi [14.3K]

Answer

Everything will increase.

Step-by-step explanation:

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3 years ago

Write a polynomial f(x) that meets the given conditions. Answers may very

AnnZ [28]

The polynomial is: $f(x)=x^3-2x^2-23x+60$

Step-by-step explanation:

We need to write a polynomial f(x) that meets the given conditions: Degree 3 polynomial with zeros 3,-5,4

Since zeros are at 3,-5 and 4

So, x=3, x=-5 and x=4

or:

x-3=0, x+5=0 and x-4=0

Multiplying all factors to find the polynomial:

$(x-3)(x+5)(x-4)=0\\(x(x+5)-3(x+5))(x-4)=0\\(x^2+5x-3x-15)(x-4)=0\\(x^2+2x-15)(x-4)=0\\x(x^2+2x-15)-4(x^2+2x-15)=0\\x^3+2x^2-15x-4x^2-8x+60=0\\x^3+2x^2-4x^2-15x-8x+60=0\\x^3-2x^2-23x+60=0$

So, the polynomial is: $f(x)=x^3-2x^2-23x+60$

keywords: Factors and zeros of polynomial

Learn more about Factors and zeros of polynomial at:

#learnwithBrainly

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3 years ago