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3 years ago

Need help with this math

Mathematics

2 answers:

mamaluj [8]3 years ago

6 0

Answer:

All of it is 0.

Step-by-step explanation:

Anything multiplied by 0 is 0

Monica [59]3 years ago

5 0

Answer:

they are all the same

Step-by-step explanation:

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What is the volume of a sphere that has<br> a radius of 11.5 units?

Brut [27]

Answer:

6370.63 is the volume

Step-by-step explanation:

V=4

3πr3=4

3·π·11.53≈6370.6263

3 0

3 years ago

Samuel charged me d dollars to fix my broken heater. He

juin [17]

Answer:

<u>$15 per hour</u>

Step-by-step explanation:

Since he charged $65 for the parts, and the total charge was $110, that's $110-$65 which is $45, the total hours was 3, so $45 divided by 3, and that equals $15.

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3 years ago

2x^3-16x^2-40x=0 factor

ExtremeBDS [4]

The given expression is

$2x^3-16x^2-40x=0$

We extract the common factor 2x.

$\begin{gathered} 2x(x^2-8x-20)=0 \\ 2x=0\rightarrow x=0 \\ x^2-8x-20=0 \end{gathered}$

The first solution is 0.

Now, we solve the quadratic expression. We have to find two numbers whose product 20 and whose difference is 8. Those numbers are 10 and 2.

$x^2-8x-20=(x-10)(x+2)$ <h2>Hence, the given expressions expressed, as factors, is</h2> $2x^3-16x^2-40x=x(x-10)(x+2)$

3 0

1 year ago

Solve, graph, and give interval notation for the inequality:

Georgia [21]

Answer:

The answer to your question is

Step-by-step explanation:

Inequality 1

4(3x - 4) < 32

12x - 16 < 32

12x < 32 + 16

12x < 48

x < 48/12

x < 4

Inequality 2

2x + 1 ≤ 8x + 25

2x - 8x ≤ 25 - 1

- 6x ≤ 24

x ≥ 24/-6

x ≥ - 4

- See the graph below

- Interval [-4, 4)

3 0

4 years ago

If you have 0.42 grams of salt and add 0.23 grams of pepper,

Drupady [299]

Answer:

0.65 grams

Step-by-step explanation:

0.42 + 0.23 = 0.65

5 0

3 years ago

Read 2 more answers

Need help with this math ​

Need help with this math