3 years ago

Let X and Y be the following sets:

Mathematics

1 answer:

sergeinik [125]3 years ago

3 0

the answer is XUY= {1,2} i think

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PLEASE HELP ME ASAP !!!

Stells [14]

8.25 because the other half was cut in half so we do the same to both sides.

8 0

3 years ago

If m=14, and a=6 what is the answer to F=ma?

Alexeev081 [22]

Answer:

[See Below]

Step-by-step explanation:

✦ If $m=14$ and $a=6$ then multiply:

✧ $14x6=84$

So $F=84$ .

~<em>Hope this helps Mate. If you need anything feel free to message me. </em>

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3 years ago

How many solutions does the equation have? 0=3x^2-5x-5

ratelena [41]

Answer:

2 real solutions

Step-by-step explanation:

Since the degree of the polynomial is 2, then there are 2 solutions for the equation, but we don't know if they are both complex or both real.

Since the discriminant is $b^2-4ac=(-5)^2-4(3)(-5)=25+60=85 > 0$ , then there are 2 real solutions.

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3 years ago

Ryan is riding his bike. He biked a distance of 12 miles at a rate of 4 miles per hour. Rearrange the distance formula, d = rt,

nikitadnepr [17]

Answer:

180 minutes

Step-by-step explanation:

Starting with the distance formula ...

d = rt

dividing by the coefficient of t will give an equation for t:

t = d/r

Ryan's rate of 4 miles per hour can be expressed in minutes as 4 miles per 60 minutes. The Ryan's time is ...

t = (12 mi)/(4 mi/60 min) = 12·60/4 min = 180 min

Ryan's time is 180 minutes.

4 0

4 years ago

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HELP PLEASEQuestion 2 (Mandatory) (1 point)

bija089 [108]

Answer:

D.-7

Step-by-step explanation:

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3 years ago