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Lapatulllka [165]
2 years ago
5

I have like five of these so I'm sorry.

Mathematics
2 answers:
myrzilka [38]2 years ago
6 0

Answer:

z ≥ -5/6

Step-by-step explanation:

10z - 2 ≥ 4z - 7

6z ≥ -5

z ≥ -5/6

Leno4ka [110]2 years ago
5 0

Answer:its 5 or -5

Step-by-step explanation:

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Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula? Qu
Likurg_2 [28]

Answer:

a  =  1

b =  -1

c =  -2

Step-by-step explanation:

We reorder the equation in such way that let us see the usual

ax² + bx + c = 0

Then the original quation is:

-2 = - x + x² - 4               ⇒  0 = 2 - x + x² - 4        ⇒ x² - x  - 2  = 0

Now we are able by simply inspection to identify a, b . c comparing our equation with the general equation so :

a  =  1

b =  -1

c =  -2

5 0
3 years ago
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Ainat [17]

Answer:

15

Step-by-step explanation:

3 0
3 years ago
I need help on this question​
wel

Answer:

The attachment is black

Step-by-step explanation:

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5 0
3 years ago
Liana started to evaluate the function f(x) = 2x^2 – 3x + 7 for the input value 2.
Igoryamba
I hope this helps you

6 0
3 years ago
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A cone has a volume of 5 cubic inches. What is the volume of a cylinder that the cone fits exactly inside of?
zysi [14]
Volume of a cone=(1/3)πr²h
Volume of a cylinder=πr²h

The cone has the same radius (r) and height than the cylinder that the cone fits exactly inside of.

Data:
Volume of a cone=5 in³
Then:
(1/3)πr²h=5 in³
πr²h=3(5 in³)
πr²h=15 in³   (remember: volume of a cylinder=πr²h)

Then the volume of a cylinder that the cone fits exactly inside of would be:
15 in³
5 0
3 years ago
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