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Vinvika [58]
2 years ago
13

Plzzz helppp giving brainiest to the first one

Mathematics
2 answers:
Monica [59]2 years ago
8 0

Answer:

I’m smart UwU

Step-by-step explanation:

aniked [119]2 years ago
4 0

Answer:

Arsenic-74-is used to locate brain tumors. It has a half-life of 17.5 days. ... C. Find the amount remaining after 6 days from a 90-mg sample

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Find the coordinates of the points of intersection of the graphs with coordinate axes:
natali 33 [55]
It would be (3,0) and (0,3) respectively.
8 0
2 years ago
6. A piece of cardboard is cut in an L-shape as
andrey2020 [161]

Answer: a= 120

Step-by-step explanation:A = height times width, 10 times 12 is 120 :)

3 0
2 years ago
Area of square= 625 m sq Perimeter =??
sveticcg [70]

Answer:

<u>100 m</u>

Step-by-step explanation:

<u>Given</u> :

  • Area of square = 625 m²

<u>#1) Finding the side length</u>

  • Area = (side length)²
  • ⇒ side length = √Area
  • ⇒ side length = √625
  • ⇒ side length = 25 m

<u>#2) Calculating perimeter</u>

  • Perimeter = Total length of the sides of the shape
  • Perimeter = 4 x side length [a square has 4 equal sides]
  • ⇒ Perimeter = 4 x 25
  • ⇒ Perimeter = <u>100 m</u>
5 0
2 years ago
Read 2 more answers
Rectangle ABCD is graphed in the coordinate plane. The following are the vertices of the rectangle: A(3,−2), B(6, -2), C(6, 5) D
Vikki [24]

Answer:

Step-by-step explanation:

Distance=\sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}} \\

A(3,-2) ;  B(6,-2)

AB=\sqrt{(6-3)^{2}+(-2-[-2])^{2}}\\\\ =\sqrt{3^{2}+(-2+2)^{2}}\\\\=\sqrt{9+0}=\sqrt{9}\\\\

AB = 3 units

B(6,-2) ;  C(6,5)

BC=\sqrt{(6-6)^{2}+(5-[-2])^{2}} \\\\=\sqrt{0+(5+2)^{2}}\\\\=\sqrt{(7)^{2}}\\

BC = 7 units

Area of rectangle = length * width

                             = AB * BC

                             = 3 * 7

                             = 21 square units

3 0
3 years ago
Read 2 more answers
Find The Midpoint of the coordinate system P( -4 , 4 ) and (4,8)
Stella [2.4K]

Answer:

Step-by-step explanation:

(-4+4)/2 = 0/2 = 0

(4+8)/2 =12/2= 6

(0, 6)

3 0
2 years ago
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