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Elena-2011 [213]
3 years ago
8

Graph the following system X+y=4 X-y=2

Mathematics
1 answer:
Lapatulllka [165]3 years ago
3 0
Points that are given on x+y=4 are (0,4),(3,1) and (4,0) and points that are give for x-y=2 are (0,-2),(2,0) and (3,1)

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Lynette has a metal doorstop with the dimensions shown.
Cerrena [4.2K]

Volume = 105in³

Mass = 871.5g

To find the volume of the metal we can find the area of a base, and multiply it by the prism's width.

The base is 30cm in area, and the width is 3.5cm, which makes the volume 105in³

The mass of the doorstop can be found by just multiplying the grams per cubic centimeter by the volume, which would be 871.5g

7 0
3 years ago
What is 999+999+999+23456
ohaa [14]

Your answer is 26,453

Although I don't feel as if this is a homework question, I will still show the work.


Work:

Step 1: 999 + 999 = 1,998

Step 2: 1,998 + 999 = 2,997

Step 3: 2,997 + 23,456 = 26,453


Hope I was able to help! :)

6 0
3 years ago
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3n + 7 in word form please help me
scoundrel [369]

Answer:

The product of 3 and a variable n plus 7

Step-by-step explanation:

8 0
3 years ago
The distance d of a particle moving in a straight line is given by d(t) = 2t3 + 5t – 2, where t is given in seconds and d is mea
Sergeeva-Olga [200]

Answer:

(C)6t^2+5

Step-by-step explanation:

Given the distance, d(t) of a particle moving in a straight line at any time t is:

d(t) = 2t^3 + 5t - 2, $ where t is given in seconds and d is measured in meters.

To find an expression for the instantaneous velocity v(t) of the particle at any given point in time, we take the derivative of d(t).

v(t)=\dfrac{d}{dt}\\\\v(t) =\dfrac{d}{dt}(2t^3 + 5t - 2) =3(2)t^{3-1}+5t^{1-1}\\\\v(t)=6t^2+5

The correct option is C.

6 0
3 years ago
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stira [4]
B but im not for sure
8 0
2 years ago
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