2 years ago

Wats da distance between 13 and -5

Mathematics

2 answers:

levacccp [35]2 years ago

6 0

You would add them together if it’s on a number line bc u have to go 5 to get to 0 then another 13 so 13+5=18

enyata [817]2 years ago

3 0

Answer:

Step-by-step explanation:

131211109876543210-1-2-3-4-5

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Select two polynomials that have a sum of 16n^3+13n^2+7n-10 A. 8n^3 - 5n +11n^2 - 5 B. 7n^2 + 8n - n^3 + 2 C. 15n^2 - 10n + 3n^3

andreyandreev [35.5K]

Answer:

Step-by-step explanation:

We have the polynomial

$16n^3+13n^2+7n-10$ ( 1 )

To solve this problem we have to take into account that only we can sum term with the same order in the variable. We have the polynomials

$8n_{3}-5n+11n^{2}-5\\7n^2 + 8n - n^3 + 2\\15n^2 - 10n + 3n^3 - 4\\2n^2 + 12n - 5 + 8n^3$

we can note (by summing term by term) that only the sum of the first and the fourth equation correspond to the given polynomial ( 1 ) of the problem. If we organize these polynomials (that is, write the equation down in a form where higher order appears first ) we have

$8n^3 +11n^2 - 5n - 5\\ 8n^3+2n^2 + 12n - 5\\$

and if we sum we obtain

$16n^3+13n^2+7n-10$

that is what we was looking for

I hope this is useful for you

regards

7 0

2 years ago

Evaluate 5x^2-3x+2 for x=-3

zhuklara [117]

Alright, so in PEMDAS, we first do exponents. 3^2=9, and we then have 5(9)-3(3)+2. After that, we have multiplication, where we have 5*9 =45 and 3*3=9, resulting in 45-9+2 and eventually 38

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2 years ago

Two trains leave stations 320 miles apart at the same time and travel toward each other. One train travels at 105 miles per hour

tamaranim1 [39]

Answer:

1.6 hours / 1 hour 36 minutes

Step-by-step explanation:

105+95=200 miles

This is the distance that the trains could travel in an hour.

320÷200=1.6 hours

Our Answer is 1.6 hours / 1 hour 36 minutes

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3 years ago

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The graph of the function f(x)=x2+12 is shown which stamen te describe the graph Check all that apply

MrMuchimi

I am sorry but I don’t know

8 0

1 year ago