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ioda
3 years ago
5

Evaluate. 5! - 4! = [1] May any math experts please help thank you

Mathematics
1 answer:
Bogdan [553]3 years ago
6 0

Answer:

116=1

Step-by-step explanation:

I hope this helps you!

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Use the discriminant to determine the number and type of solutions for the following equation. 2x2 + 14x + 11 = 0
Rus_ich [418]

\bf \qquad \qquad \qquad \textit{discriminant of a quadratic} \\\\\\ \stackrel{\stackrel{a}{\downarrow }}{2}x^2\stackrel{\stackrel{b}{\downarrow }}{+14}x\stackrel{\stackrel{c}{\downarrow }}{+11} ~~~~~~~~ \stackrel{discriminant}{b^2-4ac}= \begin{cases} 0&\textit{one solution}\\ \underline{positive}&two~\stackrel{rational}{solutions}\\ negative&\textit{no solution} \end{cases} \\\\\\ 14^2-4(2)(11)\implies 108\impliedby \underline{positive}

5 0
3 years ago
I really need help with this.<br><br> Please and thank you.
trasher [3.6K]

Answer:

Step-by-step explanation:

5 0
2 years ago
Your school buys 30 graphing calculators for 1822.50. Write and solve a proportion that gives the cost c of buying 120 calculato
natali 33 [55]

Answer:

7290

Step-by-step explanation:

Using proportion then

\frac{1822.5}{30} = \frac{c}{120} ( cross- multiply )

30c = 18700 ( divide both sides by 30 )

c = 7290

The cost of 120 calculators is 7290

6 0
3 years ago
Please help...it says to use distributive property...but I dont get it....please help.
Ann [662]
In this situation, using distributive property means multiplying the number outside of the parentheses, in this case 8, by each of the numbers inside the parentheses. Once you have those two numbers, add them together. Does that make sense?
3 0
4 years ago
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Benjamin traveled at an average speed of 65 miles per hour for 4.5 hours and then traveled at an average speed of 70 miles per h
soldier1979 [14.2K]

Answer:

J. 537.5

Step-by-step explanation:

65 x 4.5 = 292.5

70 x 3.5 = 245

292.5 + 245 = 537.5

6 0
3 years ago
Read 2 more answers
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