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3 years ago

The figures below are similar find the missing perimeter P = 30 m 8m p = ? 4.8 m

Mathematics

1 answer:

notka56 [123]3 years ago

8 0

The perimeter will scale linearly with the sides, so

$p = \dfrac{4.8}{8} (3) = 18 \textrm{m}$

Third choice.

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PLEASEEE HURRYYY

Masteriza [31]

Answer:

(2,-5) and (2,1).

Step-by-step explanation:

We need to find the find all the points having an x coordinate of 2 whose distance from the point (-2,-4) is 5.

A circle with center (-2,-4) and radius 5 represents all the points whose distance from the point (-2,-4) is 5.

Standard form of a circle is

$(x-h)^2+(y-k)^2=r^2$

where, (h,k) is center and r is the radius.

$(x-(-2))^2+(y-(-4))^2=(5)^2$

$(x+2)^2+(y+2)^2=25$

Now, put x=2.

$(2+2)^2+(y+2)^2=25$

$(4)^2+(y+2)^2=25$

$(y+2)^2=25-16$

$(y+2)^2=9$

Taking square root on both sides.

$y+2=\pm\sqrt{9}$

$y+2=\pm3$

$y+2=-3\text{ or }y+2=3$

$y=-5\text{ or }y=1$

So, the y-coordinates of the points are -5 and 1.

Therefore, the required points are (2,-5) and (2,1).

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2 years ago

Pls help me!!!!!!!!!!!!!!

professor190 [17]

Answer:

Step-by-step explanation:

To find purple, you divide 162 by 3 as there are 3 people who like red for every one person who like purple. To find blue, you need to divide 162 by 3, which is 54, and then multiply it by 9 because there were 9 people who like blue for every person that liked purple.

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m,kjuhytredwsqer5t6y7u8io98uyt5re4wq

Makovka662 [10]

Same!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Of multiplication or addition?

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Nata [24]

Answer:

true

Step-by-step explanation:

if its not a true or false than put the answer questions below

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