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Len [333]
3 years ago
14

Find the solution of each equation using mental math or a table.  If the solution lies between two consecutive integers, identif

y these integers. j-18=2
Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0
J = 20 
it's very easy, aren't you really able to find that by yourself?

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What are the solutions to the expression x^2-8x=24
labwork [276]

Answer: x= 2(2+sqrt(10)) , x=2(2-sqrt(10)

Step-by-step explanation:

x^2-8x=24 <- subtract 24 from both sides

x^2-8x-24 <- take quadratic formulat (-2+/- Sqrt(b^2 - 4ac)/2a

-(-8) +/- sqrt((-8)^2 - 4(1*-24) all over (2*1) <- simplify

(-(-8) +/- 4sqrt(10) )/2 <- sepereate

(-(-8) +/4sqrt(10) )/2 ,  (-(-8) - 4sqrt(10) )/2 <- simplify

2(2+sqrt(10)) , 2(2-sqrt(10) =x

6 0
3 years ago
A​ quality-control inspector examined 100 light bulbs and found 7 defective. At this​ rate, how many defective bulbs would there
anastassius [24]

Answer: 175 defective bulbs.

Step-by-step explanation:

1. Keeping on mind that the inspector examined 100 light bulbs and found 7 defective, you can calculate the number of defective bulbs that there would be in a lot of 2500 ​bulbs as following:

- Let's call the number of defective bulbs that there would be in a lot of 2500 ​bulbs x.

- Then, you have:

\frac{100}{7}=\frac{2500}{x}

- Solve for x:

 x=\frac{2500*7}{100}

x=175

2. Then, there would be 175 defective bulbs  in a lot of 2500 ​bulbs.


4 0
3 years ago
What is the slope of the line represented by the equation y = = 4x+12<br> 2<br> N/P
Elena L [17]

Answer:

4/1

Step-by-step explanation:

hope that helps :))))

5 0
3 years ago
-(1/2)³ is equivalent to?​
Brut [27]

Answer:

-0.125

Step-by-step explanation:

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A polyhedron with 16 edges cannot be a prism. Explain why this must be true
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This prism has: 5 Faces. 6 Vertices (corner points) 9 Edges.

Step-by-step explanation:

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3 years ago
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