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frez [133]
3 years ago
8

What is the approximate area of the triangle? A)12.5 B)18 C)21.5 D)31

Mathematics
1 answer:
dalvyx [7]3 years ago
6 0

Answer:

21.5

Step-by-step explanation:

Counting the full squares: 16

Counting the squares that are more than 1/2:  6

The best estimate would be 21.5

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This box is a right rectangular prism with a base that has dimensions of 6 m and 7 m. The volume of the box is 378 m3. What is t
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Answer:

29.07m³

Step-by-step explanation:

7+6=13

378÷13=29.07m³

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Fraction 2 over 3y = Fraction 1 over 4. y = ___?
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The answer is 3 over 8
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Devin is collecting signatures for a petition to open a new park in her town. She needs to collect at least 1,000 signatures bef
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B) 8 ≤ p

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Eight times the reciprocal of a number equals 2 times the reciprocal of 10. Find the number.
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Step-by-step explanation:

To find this

8 times the reciprocal of a number

We get

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5 0
3 years ago
Kumar bought some mangoes. The price of each mango () is found to be 6 more than the total number of mangoes bought by him and t
spayn [35]

Answer:

Price = 20, Amount = 14

Step-by-step explanation:

A = Amount of Mangoes

P = Price for 1 Mango

P = A + 6

280 = P * A

insert A+6 for P

280 = (A+6) * A

280 = 6A + A²

280=1*a^2+6*a  | Vertausche beide Seiten der Gleichung.

1*a^2+6*a=280  | quadratische Ergänzung: ergänze auf beiden Seiten (3)^2

1*a^2+6*a+(3)^2=3^2+280  | Rechne 3 hoch 2 aus.

1*a^2+6*a+(3)^2=9+280  | addiere 9 und 280

1*a^2+6*a+(3)^2=9+280  | Fasse die rechte Seite mit Hilfe der binomischen Formel zusammen.

1*(1*a+(3))^2=289  | Auf beiden Seiten Quadratwurzel ziehen.

1*a+(3)=+-*289^0.5  

1*a_1+(3)=289^0.5  

1*a_1+3=289^0.5  | Ziehe die Wurzel aus 289

1*a_1+3=17  | -3

1*a_1=14  

8 0
3 years ago
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