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lilavasa [31]
3 years ago
8

Which system of iniquities has no solution?

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
5 0

Answer:

its A i think\

Step-by-step explanation:

Inessa [10]3 years ago
5 0
Josh I was just kidding about
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There are 80 runners to start a race. IN the first half of the race, 1/4 of them dropped out. In the second half of the race , 1
mihalych1998 [28]

Answer:

48

Step-by-step explanation:

80 divided by 4 is 20 so thats 1/4 of 80

80-20=60

1/5 of 60 = 12

20+12=32

80-32=48

5 0
3 years ago
(4 + 2)(3^2) − 6 + 2 × 3 = 54<br> true<br> false
Pavlova-9 [17]
It would be true.  (4+2)(3^2)-6+2*3=54 is true 

Hope this helps :) 

can you please make this the brainiest answer it would really help
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8 0
4 years ago
The width of a rectangular block of land is 2/7 of its length. If it’s perimeter is 252m, find it’s length.
Anna007 [38]

Answer:

Step-by-step explanation:

the  perimeter is : p = 2(x+y)..... x : width     y : length

you have the system ;  2(x+y) = 252.......(1)

                                       x = (2/7) y ...........(2)

                                       y > x ....(3)

Substitute x = (2/7) y  into (1) and simplifiy and solve for y :

(2/7) y + y = 126

(2y+7y)/7 = 126

9y = 882

y = 98 m  ( the length )

3 0
4 years ago
Choose the equations that are not linear equations.
Anastasy [175]

Answer: x^2+y=4 and -y-1 are not linear equations.

Step-by-step explanation:

The exponent in x^2 indicates this is a polynomial equatuon, because when graphed, it doesn't form a line.

In -y-1, there is no given x value. y is an output of a solved x equation, so without an x, it cannot be completed. Equations depend on a number that can be plugged in. When graphed, it appears as an error.

-x-y=2 is linear because it can be rearranged to solve for y and can be graphed as linear.

x=5 is linear because it gives an input value, and shows that the output value when solved is 0 (no y means it will always be 0). When graphed, it shows a straight line, which is linear.

6 0
4 years ago
Find the volume of a pyramid with a square base, where the area of the base is 15.4m^2 and the height of the pyramid is 15.6 m.
tensa zangetsu [6.8K]

Answer:

It should be A

Step-by-step explanation:

The area of the base is 15.4m, and volume=base*height, so v=15.4*15.6, v=240.24, BUT since it's a pyramid, you have to divide by 3, which'll give you 80.08, if you round to the nearest tenth, you'd get 80.1

4 0
3 years ago
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