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Katyanochek1 [597]
2 years ago
8

9. Max walks 2 km to school in 40 minutes and Dave cycles 5 km to school in 15

Mathematics
2 answers:
Georgia [21]2 years ago
7 0
A) 2 : 5
b) 40 : 15 = 8 : 3
Alona [7]2 years ago
5 0
Max’s distance : Dave’s distance = 2 km : 5 km = 2:5
Max’s time : Dave’s time = 40 min : 15 min = 40:15 = 8:3
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Ludmilka [50]

Answer:

11/21

Step-by-step explanation:

1/3=7/21

1/7=3/21

(7+3)/21=10/21

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Thus 11/21 of the circle is shaded.

6 0
2 years ago
☆pls help no one has helped me and I'm so confused! ​
motikmotik

Answer:

Step-by-step explanation:

a). \frac{5\pm\sqrt{-4}}{3} = \frac{5}{3}\pm \frac{\sqrt{-4}}{3}

               = \frac{5}{3}\pm\frac{2\sqrt{(-1)} }{3}

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b). \frac{10\pm\sqrt{-16}}{2} = \frac{10}{2}\pm \frac{\sqrt{-16}}{2}

                  = 5\pm \frac{4\sqrt{-1}}{2}

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c). \frac{-3\pm \sqrt{-144}}{6} = -\frac{3}{6}\pm \frac{\sqrt{-144}}{6}

                    = -\frac{3}{6}\pm \frac{12\sqrt{-1}}{6}

                    = -\frac{1}{2}\pm 2\sqrt{-1}

                    = -\frac{1}{2}\pm 2i [Since, i = \sqrt{(-1)}]

4 0
2 years ago
Simplify: <br><br> a)23p-7p<br> b)3ab-9ab+7ab
natima [27]

a) 16p

b) 1ab

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3 years ago
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RSB [31]
(2,5) ...........................................................................................
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3 years ago
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dlinn [17]
A=pe^rt
A=400×e^(0.076×1.5)
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3 0
3 years ago
Read 2 more answers
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