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3 years ago

Answer each question and explain your reasoning. How long is 50% of 60 minutes?

Mathematics

2 answers:

raketka [301]3 years ago

8 0

Answer: 6mins

Step-by-step explanation:

6mins, because 10x6= 60 (or) 60/10=6

Archy [21]3 years ago

5 0

Answer:

30 minutes

Step-by-step explanation:

60 divided by 2 which would give you 30 minutes.

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Step-by-step explanation:

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3 years ago

What is the answer to this

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Answer:

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3 years ago

What is the slope of the line that passes through the points (-2,-1) and (2,-3)

MrRa [10]

Answer:

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Step-by-step explanation:

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3 years ago

Find the nth degree polynomial function with real coefficients satisfying the given conditions.

RUDIKE [14]

$\bf (x+1)(x-3)(x-2-4i)(x-2+4i)
\\\\
\textit{now, let's take a peek at }(x-2-4i)(x-2+4i)\\
\textit{and recall our }\textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-----------------------------\\\\
(x-2-4i)(x-2+4i)\implies [(x-2)-(4i)][(x-2)+(4i)]
\\\\\
[(x-2)^2-(4i)^2]\implies [(x^2-2x+4)-(4^2\boxed{i^2})]
\\\\\
[(x^2-2x+4)-(16\cdot \boxed{-1})]\implies [(x^2-2x+4)+16]
\\\\
(x^2-2x+20)\\\\
-----------------------------$

$\bf thus
\\\\

\begin{array}{llll}
(x+1)(x-3)\\(x-2-4i)(x-2+4i)
\end{array}\implies (x+1)(x-3)(x^2-2x+20)
\\\\\\
(x^2-2x-3)(x^2-2x+20)\implies 
\begin{array}{llll}
x^4-2x^3+20x^2-2x^3\\+4x^2-40x+3x^2-6x+60
\end{array}
\\\\\\
x^4-4x^3+27x^2-46x+60$

4 0

3 years ago

A delivery truck is transporting boxes of two sizes large and small. The combined weight of a large box and a small box is 80 po

Liula [17]

Answer:

small=15 large=40

Step-by-step explanation:

x=large box

y=small box

55 = x + y

50x + 55y = 2825

50x + 55( 55 - x) = 2825

50x + 3025 - 55x = 2825

0 = 55x - 50 x + 2825 - 3025

0 = 5x - 200

200 = 5x

x=40

y = 15

7 0

3 years ago