3 years ago

Help xnnsnnznnsks8#xkdo#slls

Mathematics

1 answer:

Ket [755]3 years ago

8 0

Answer:

Dance class and soccer

Step-by-step explanation:

because in those two fractions the numerators are more than half of the denominators

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12. What is the area of this figure? 6 cm 18 (57 4 cm 4 cm 15 cm 5 cm

adoni [48]

The area of this figure is 30 square cm.

Explanation

The figure consists of a rectangle and right angled triangle.

length of the rectangle l=6cm

breadth of the rectangle b=4 cm

area of the rectangle=lb=6*4 = $24cm^2$

hypotenuse of the right angled triangle=5 cm

height h=4 cm

we have to calculate the base using pythagoras theorem

$b=\sqrt{H^2-h^2} =\sqrt{5^2-4^2} =\sqrt{25-16} =\sqrt{9} =3 cm$

area of the triangle= $1/2 bh\\=1/2 *3*4=6 cm^2$

are of the figure=area of the rectangle+area of the triangle=24+6=30 sq cm

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3 years ago

A number increased by 6 and the result divided by 3 is 21. what is the number?

kogti [31]

Answer:

Step-by-step explanation:

let the number be x

(x+6)/3 =21

x+6=21*3

x+6=63

x=57

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3 years ago

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An ostrich can run at the rate of 50 miles in 60 minutes. At this rate how long would it take an ostrich to run 15 miles?

Lynna [10]

15/x=50/60

Cross multiply

50x=900

Divide

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3 years ago

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if Yvonne wanted to make 3 dresses that use 4 7/8 ad of fabric each, explain how she could use estimation to make sure she has e

LuckyWell [14K]

Using estimation you could round up the 4 7/8 to 5 and multiply by 5 so estimating 15 of fabric

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3 years ago

Which expression is equivalent to this polynomial? x2 + 12

Lesechka [4]

Answer:

That is the most you can do.

Step-by-step explanation:

x2+12

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