2 years ago

Hoy many pairs of parallel lines does a Square have

Mathematics

2 answers:

gavmur [86]2 years ago

8 0

2 because a square has 4 sides and so it has 2 sets of parallel lines.

otez555 [7]2 years ago

7 0

A square has 2 pairs of parallel line because all four sides are equal

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5x6-1+3=28 brackets or braces should be added

Artyom0805 [142]

5 · (6 - 1) + 3
= 5·5 + 3
= 25 + 3
= 28

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2 years ago

Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).

olga_2 [115]

Answer:

$7\pi cm^2$

Step-by-step explanation:

The area of a circle is given by $A=\pi r^2$

For circle B, the radius is 3 cm, it has an area of $\pi *3^2=9\pi cm^2$

Circle D also has a radius of 1 cm. Its area is $\pi *1^2=\pi cm^2$

Circle P also has a radius of 1 cm and area $\pi*1^2=\pi cm^2$

The area of the shaded region is then $9\pi -\pi-\pi=7\pi cm^2$

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2 years ago

Kyla used 550 grams of wool to knit a sweater, a hat, and a scarf. For the hat she used 5 times less wool than the sweater and 5

Brrunno [24]

This is the concept of algebra, to calculate the proportion of wool in each item we proceed as follows;
Let the amount of wool used for hat be x
amount of wool in sweater will be 5x
the amount of wool used in scarf will be x-5
therefore the total amount of wool will be:
x+5x+(x-5)=550
x+5x+x-5=550
7x-5=550
7x=550+5
7x=555
hence;
x=555/7
x=79
the amount used in hat x=79g
amount used in sweater 5x=395g
amount used in scarf=79-5=74g

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3 years ago

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Ber [7]

Answer:

Step-by-step explanation:

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2 years ago

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Papessa [141]

Answer:0