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slega [8]
3 years ago
9

At the beginning of an experiment, there are 600 grams of contaminants. Each hour, half of the contaminants are filtered out. Ho

w many grams of containment’s remain after 4 hours
Mathematics
1 answer:
myrzilka [38]3 years ago
8 0
The amount of contaminants left is 37.5 grams, because using the decay formula, in this case, you use the equation 600(1/2)^4, getting 37.5.
Answer: 37.5
You might be interested in
Please help me . please and thank you !!. ​
Vesna [10]

18) Value of b is : b\geq  8

Option A is correct.

19) Option C is correct.

Step-by-step explanation:

18) We need to find the value of b.

The given equation is:

12b-46\geq 50

Solving to find the value of b:

12b-46\geq 50\\12b\geq 50+46\\12b\geq 96\\b\geq \frac{96}{12}\\b\geq  8

So value of b is : b\geq  8

Option A is correct.

19) We need to find the correct graph of the equation:

4y-2

Solving:

4y-2

The values of y will be less than three. As y < 3 so, the circle on y is not filled.

So. Option C is correct.

Keywords: Solving Inequalities

Learn more about Solving Inequalities at:

  • brainly.com/question/1465430
  • brainly.com/question/1626676
  • brainly.com/question/2840217

#learnwithBrainly

7 0
3 years ago
How do we get to the vertex if this is the function: n(x)= |-1/3x + 1| =2 ??
vagabundo [1.1K]

Answer:

ANSWER IS BELOW

Step-by-step explanation:

Find the properties of the given parabola.

Tap for more steps...

Direction: Opens Up

Vertex:

(

0

,

0

)

(0,0)

Focus:

(

0

,

3

4

)

(0,34)

Axis of Symmetry:

x

=

0

x=0

Directrix:

y

=

−

3

4

y=-34

Select a few

x

x

values, and plug them into the equation to find the corresponding

y

y

values. The

x

x

values should be selected around the vertex.

Tap for more steps...

x

y

−

2

4

3

−

1

1

3

0

0

1

1

3

3

3

xy-243-1130011333

Graph the parabola using its properties and the selected points.

Direction: Opens Up

Vertex:

(

0

,

0

)

(0,0)

Focus:

(

0

,

3

4

)

(0,34)

Axis of Symmetry:

x

=

0

x=0

Directrix:

y

=

−

3

4

y=-34

x

y

−

2

4

3

−

1

1

3

0

0

1

1

3

3

3

xy-243-1130011333

3 0
3 years ago
The area of a rectangle is 44 square units. Its length measures 4 units. Find the length of its diagonal. Round to the nearest t
NikAS [45]

Answer:

√(137)

Step-by-step explanation:

First, you will need to find the other side length.....then you can use the Pythagorean Theorem to find the diagonal:

L x W = 44

4 x W = 44

W =11

Now the Pythag, Theorem:

 diagonal^2 = 4^2 + 11^2

        d^2 = 16+121

         d^2 = 137

          d = √(137)

3 0
2 years ago
The sum of y and 20 is more than 50
miss Akunina [59]
<span>20 + y > 50 Theres your answer</span>
3 0
3 years ago
Read 2 more answers
1. What is the approximate area of a circle with a diameter of 20 inches?
ad-work [718]

Answer:

1. 100\pi

2. 27 cm^{3}

3. 30

Step-by-step explanation:

Area = \pir^{2}

       = \pi x 10x^{2}

       = 100\pi

Volume = l x w x h

             = 3 x 3 x 3

             = 27

7 0
3 years ago
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