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Molodets [167]
2 years ago
12

5x + 20 = -5x What does "x" equal?

Mathematics
2 answers:
True [87]2 years ago
7 0
<span>5x + 20 = -5x
5x + 5x = -20
10x = -20
x = -20/10
x = -2</span>
mestny [16]2 years ago
6 0
5x+20=-5x x would represent 2 because if you replace x with two here is what you get
5(2)+ 20=-5(2)
10+20=-10
Which is equivalent to the first expression
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Find the domain and the range of the relation. Determine whether the relation is a function.
andre [41]

Answer:

Domain: {-6, -1, 7}

Range: {-9, 0, 9}

The relation is not a function.

Step-by-step explanation:

Given the relation: t{(−1,0),(7,0),(−1,9),(−6,−9)}

In the ordered pairs:

  • The domain is the set of all "x" values
  • The range is set of all "y" values
  • We do not need to list any repeated value in the range/domain more than once.

Domain: {-6, -1, 7}

Range: {-9, 0, 9}

Next, we determine whether the relation is a function.

For a relation to be a function, each x must correspond with only one y value.

However, as is observed in the mapping attached below:

  • f(-1)=0
  • f(-1)=9

The x-value (-1) corresponds to two y-values (0 and 9)

Therefore, the relation is not a function.

8 0
3 years ago
6. The exact radius of a circle is 2cm. A measurement error showed the
pashok25 [27]
I think it’s 0.25:)
7 0
3 years ago
Please help me!!! <br><br> Solve. W= -7 S= 4 B=-9 H=6 C=2<br><br><br> -W-S+(-B) -H-(-C)
klio [65]
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6 0
3 years ago
What is the answer please tell me ​
hammer [34]

Answer:

D) 7/2

Step-by-step explanation:

y=1/3 (ax-2)    =>(2,3)   so  x=2, y=3.

Then,3=1/3 (2a-2)=> 9=2a-2  and a=7/2

So, slope is 7/2

7 0
3 years ago
HELP ASAP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
miv72 [106K]

Answer:

A

Step-by-step explanation:

The volume (V) of water in the tank is calculated as

V = lbh (l is length, b is breadth and h is height )

Here l = 80, b = 40 and h = 50 , then

V = 80 × 40 × 50 = 160000 cm³

V ( in litres) = 160000 ÷ 1000 = 160 litres , then

number of times = 160 ÷ 10 = 16

8 0
2 years ago
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