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nikklg [1K]
3 years ago
8

Simplify: -3 1/2(-12 1/4)

Mathematics
1 answer:
pshichka [43]3 years ago
6 0

Answer:

26 \frac{1}{4}

Step-by-step explanation:

First we turn them into improper fractions

-\frac{7}{2}(-\frac{45}{4})

then we multiply it

-\frac{7}{2}*-\frac{45}{4}=\frac{315}{12}=26\frac{1}{4}

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90/110 reduce the fraction
IrinaVladis [17]
90/110 reduces to 9/11. Good luck!
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Is 11 rational or irrational
PolarNik [594]
11 is irrational cause it is on the number line
most numbers in the number line are irrational numbers
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Berechne jeweils die Höhe der Pyramiden!<br>a) V = 140 cm3<br>G = 28 cm2<br>h = ?​
kozerog [31]

Answer:

untere Tabelle gibt an, wie Oberfläche und Volumen der Pyramide berechnet werden. Grundsätzlich gilt:

Oberfläche = Grundfläche + Mantelfläche

Volumen = Grundfläche · Pyramidenhöhe : 3

Generell ist darauf zu achten, dass mit unterschiedlichen Höhenangaben gerechnet wird. Für die Berechnung der Oberfläche wird die Höhe der schrägliegenden Seitendreiecke benötigt (Grafik unten: ha; hb). Für die Berechnung des Volumens wird die Höhe der Pyramide benutzt (Grafik unten: h).

JSXGraph v0.95 Copyright (C) see http://jsxgraph.org

ha = 5.83 cm

h = 5.00 cm

a = 6.00 cm

b = 6.01 cm

hb = 5.83 cm

V = 60.10 cm³

Ap = 106.11 cm²

AM = 70.05 cm²

AG = 36.06 cm²

 –  o  +  ←  ↓  ↑  → 

rechteckige Grundflächequadratische GrundflächeOberfläche = Grundfläche + Mantelfläche

OP = AG + AMOP = a · b + a · ha + b · hbOP = a² + a · ha · 2 Volumen = Grundfläche · h : 3

VP = AG · h : 3

VP = a · b · h : 3VP = a² · h : 3

Step-by-step explanation:

#semogamembantu

5 0
3 years ago
a trail is 5 miles long. carlos walks 2/3 of the trail and runs the rest. how many miles does carlos walk?
lana [24]

Answer:

as 1 mile = 1.609 km

so 5miles = 8.045 km

so 2/3 of the trail = 2/3 × 8.045 = 5.3633333 (ans)

Hope it helps

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Martin paid $6 for4 avocados at a farm stand. He wants to know what the price would be if he bought 6 avocados
ikadub [295]
It would be $9 for 6 avocados
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2 years ago
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