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Nastasia [14]
3 years ago
7

What are the real zeros of y=(x+3)^3+10 Can someone please teach me how to do this

Mathematics
1 answer:
IRINA_888 [86]3 years ago
3 0
You need to solve 
(x +3)^3 + 10  = 0 for x
cubic equations can be tricky to solve
drawing a graph will help to give the approximate roots
https://www.desmos.com/calculator/1tyyjo0lsa

- Theres the graph as you can see there's only one real zero and thats very close to x = 5

Cubic equations will have 3 roots. The other 2 roots for this equation are complex.
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A ladder is placed 30 inches from a wall. It touches the wall at a height of 50 inches from the ground.
tankabanditka [31]
To find the length of the ladder, you need to do Pythagorean theorem.
50^2 + 30^2 = x^2
2500 + 900 = x^2
x^2 =3400
x= square root of 3400
58.31 OR 10 root34

To find the angle:
tan theta = opposite/adjacent
50/30 = 5/3
theta = tan inverse of 5/3
= 59.04


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4 years ago
You have four bills that need to be paid this week . Electric 182.17, water bill 92.55, the cell phone bill 225.82 and the cable
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6 0
3 years ago
Evaluate P = 50x + 80y at each vertex of the feasible region. (0, 0) P = (0, 15) P = (6, 12) P =
Yanka [14]

(0, 0) <span>P = <span> ⇒ 0</span></span>

(0, 15) <span>P = <span> ⇒ 1200</span></span>

(6, 12) <span>P = <span> ⇒ 1260</span></span>

4 0
3 years ago
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The graph represents the average heights of boys in the United States from age two to age ten. A line of best fit has been drawn
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6 0
3 years ago
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Graph y=2.5x= <br> what is the answer
NNADVOKAT [17]

well, here's how you can do this:

take any value y, then divide by 2.5 to get x

so, you can get (these are just a couple of pairs, they are an infinite number of pairs for any equation like this!):

if y=0

x=0

if y=2.5

x=1

if y=5

x=2

graph:

7 0
3 years ago
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