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Colt1911 [192]
3 years ago
8

How many solutions does the function x^2+2x+2=0a. 0b. 1c. 2d. 3​

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

A. 0

Step-by-step explanation:

use discriminant. discriminant value is negative so 0 solutions

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A crew has paved 3/4 of a mile of road. If they have completed 50% of the work, how long is the road they are paving?
Sonja [21]
1 1/2 miles is indeed your answer because if 50% of the road is done which was 3/4 of a mile just add another 3/4 of a mile if it’s 50% (50% +50%=100%)
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3 years ago
Riya is applaying mulch to her garden. She applies it at a rate of 250,000 cm3 of mulch for every m2 of garden space. at what ra
mart [117]

For this case the first thing you should do is take into account the following conversion:

1m = 100cm

Therefore, by applying the conversion we have:

(250,000\frac{cm^3}{m^2})((\frac{1}{100})^3\frac{m^3}{cm^3})

Rewriting we have:

(250,000\frac{cm^3}{m^2})(\frac{1}{100^3}\frac{m^3}{cm^3})

(250,000\frac{cm^3}{m^2})(\frac{1}{1,000,000}\frac{m^3}{cm^3}) = 0.25\frac{m^3}{m^2}

Answer:

The rate in m^3/m^2 is:

0.25\frac{m^3}{m^2}

4 0
4 years ago
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Help! The picture is with it to see the question
bearhunter [10]

Answer:

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Step-by-step explanation:

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Can somebody help me <br> -2(x+5)
Anika [276]

Answer: -2x - 10

Steps: -2(x+5)

Apply the distributive law [ a(b + c) = ab + ac ]:

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Apply minus/plus rules: -2x - 2 × 5

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-2x - 10

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