3 years ago

What is the domain of

Mathematics

2 answers:

Vsevolod [243]3 years ago

8 0

The domain of what??

mariarad [96]3 years ago

5 0

Answer:

Please complete your question.

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When Sandy and Allen's mother decorates the house for a holiday by herself, it takes her 5 hours. When both Sandy and Allen help

notsponge [240]

Answer:

Step-by-step explanation:

Mother=5hrs

Sandy and Allen and mother=2.5

Allen with mother=3.5

It would take sandy 5hrs coz she decorates the house herself so if u think logically it took her mother 5 hrs so it would take her.Coz its only her doing it no one else is helping!

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3 years ago

B→ = ⟨−1,3⟩ and c→ = ⟨−11,−2⟩.

lilavasa [31]

Answer:

-12,1

(-12î, 1j)

is the ans

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2 years ago

Erica spent $115 on school she actually spent $82.50 what is Erica's percent of error

MaRussiya [10]

I think it is 32.5% but I could be wrong

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3 years ago

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Show that if x,y,z and w are the first four terms of an arithmetic sequence, then x+w-y=z

devlian [24]

It would be 29 because of the c and the w y equal to z

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3 years ago

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Solve for xxx. Write the smaller solution first, and the larger solution second.

____ [38]

Answer:

$x=-5\text{ or }x=2$

Step-by-step explanation:

We have been given an equation $x^2+3x-10=0$ . We are asked to find the solutions of our given equation.

We will use splitting the middle term method to solve quadratic equation.

We will split middle term of our given equation into parts such that whose product is $-10$ and whose sum is 3.

We know that such two numbers are $5\text{ and }-2$ .

$x^2+5x-2x-10=0$

$(x^2+5x)+(-2x-10)=0$

$x(x+5)-2(x+5)=0$

$(x+5)(x-2)=0$

Using zero product property, we will get:

$(x+5)=0\text{ or }(x-2)=0$

$x+5=0\text{ or }x-2=0$

$x=-5\text{ or }x=2$

Therefore, the solutions for our given equation are $x=-5\text{ or }x=2$ .

4 0

3 years ago

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