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PIT_PIT [208]
3 years ago
15

8:10 = 2:5 Is a true proportion? O Yes O No

Mathematics
2 answers:
IRINA_888 [86]3 years ago
8 0

Answer:

no

Step-by-step explanation:

i go it correct on the quiz

Marina86 [1]3 years ago
7 0

Answer:

Step-by-step explanation:

it is not.

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Can someone please help? its urgent!!!<br><br><br> y=2x+1 for x = -2 , -1 , 0 , 1 , and 2
leonid [27]

Answer:

hello :

y = –2x – 1....(1)

y = 3x–1.....(2)

by (1) and (2) :  3x-1 = -2x-1

5x =0

x =0 ....(the x-coordinates of the solutions)

Step-by-step explanation:

8 0
3 years ago
A streetlamp has a 20 ft shadow that makes a 40° angle with the ground. which expression represents the height of the street lam
Oduvanchick [21]

Answer:

  • 20 sin 40°  ≈ 12.86 ft

Step-by-step explanation:

Let the height of the street lamp be x

Opposite angle is 40° and the shadow, the hypotenuse of the formed triangle is 20 ft.

  • sin 40° = x/20
  • x = 20sin 40°
  • x ≈ 12.86 ft
6 0
3 years ago
A population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this population. the
krok68 [10]
Theirs alot of people in this world so watch out.

3 0
3 years ago
Multiply c^2(c^2-10c+25)
Artemon [7]

Step-by-step explanation:

c^2( c^2-10c+25)

=c^4 - 10c^3 + 25c^2

8 0
3 years ago
Pyramid A is a square pyramid with a base side length of 14 inches and a height of 6 inches. Pyramid B has a volume of 3,136 cub
leonid [27]

The Volume of PYRAMID A is 8 times greater than the Volume of PYRAMID B as obtained by taking the ratio of the volume of both pyramids.

Volume of a square based pyramid is given as :

V = a^2h/3

Where; h = height ; a = base edge

Hence, Volume of PYRAMID A :

V = 14^2 * (6/3)\\\\V = 392 in^3

Volume of PYRAMID B = 3,136 in³

Divide Volume of pyramid B by pyramid A :

3136 in^3 / 392 in^3

= 8 times

Expressing as a percentage, multiply by 100% ;

8 * 100% = 800%

Therefore, The volume of PYRAMID B is 800% times GREATER THAN that of PYRAMID A.

Learn more :

brainly.com/question/17615619

8 0
2 years ago
Read 2 more answers
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