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3 years ago

13

Marcus delivers papers at a rate of 9 papers in 18 minutes. How much longer would it take him to deliver 100 papers than 72 pape

rs?

1 answer:

Strike441 [17]3 years ago

5 0

It would take him 66 minutes longer to deliver 100 papers than 72 papers

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In quadrilateral abcd the measures of the angles are represented by measure angle a=6x-2, measure angle b=6x+5, measure angle c=

OleMash [197]

$\bf \textit{sum of all interior angles in a polygon}\\\\ S = 180(n-2)~~ \begin{cases} n=\stackrel{number~of}{sides}\\[-0.5em] \hrulefill\\ n = \stackrel{quadrilateral}{4} \end{cases} \\\\\\ \stackrel{\measuredangle a}{(6x-2)}~~+~~\stackrel{\measuredangle b}{(6x+5)}~~+~~\stackrel{\measuredangle c}{(8x+2)}~~+~~\stackrel{\measuredangle d}{(3x+10)}~~=~~180(4-2)$

$\bf 23x+15=180(2)\implies 23x+15=360\implies 23x=345 \\\\\\ x = \cfrac{345}{23}\implies \boxed{x = 15} \\\\\\ \stackrel{\measuredangle c}{8x+2}\implies 8(15)+2\implies 122$

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3 years ago

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(2 thousands 7 tens) ÷ 10 =

loris [4]

Answer:

Step-by-step explanation:

207

2 thousands+ 2 tens = 2070

divide that by 10

2070÷10= 207

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3 years ago

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3 years ago

Find the value of the expression 0.5^10/0.5^7

SIZIF [17.4K]

Answer:

The solution is:

$\frac{0.5^{10}}{0.5^7}=0.125$

Step-by-step explanation:

Given the expression

$0.5^{10}\div 0.5^7$

Solving

$\frac{0.5^{10}}{0.5^7}$

$\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=x^{a-b}$

so

$\frac{0.5^{10}}{0.5^7}=0.5^{10-7}$

$\mathrm{Subtract\:the\:numbers:}\:10-7=3$

$=0.5^3$

$=0.125$ ∵ $0.5^3=0.125$

Therefore, the solution is:

$\frac{0.5^{10}}{0.5^7}=0.125$

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3 years ago

Perform the indicated operation and write in standard form 5i+(-9-i)

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Since the sign before the parentheses is a + , we can just remove the parentheses.

<span>5i + (-9 - i) = 5i - 9 - i = -<u>9 + 4i</u></span>

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