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Julli [10]
3 years ago
13

Can someone help me out with these please?

Mathematics
1 answer:
IrinaK [193]3 years ago
3 0

If you want my device use Symbolab app it can solve any math problem but not word problems though

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A steel ball is held by a ceiling-mounted electromagnet 4.0 m above the floor. A compressed-air cannon sits on the floor, 5.0 m
Fed [463]

Answer: 7.92 m/s

Step-by-step explanation: see attachment

8 0
4 years ago
Tory and Emilio's motorboat travel at the same speed. Tory pilots her boat 50 km before docking. Emilio continues for another 2
Harrizon [31]

1. You have that the speed is:

V=\frac{d}{t}

Where d is the distance and t is the time.

2. Tory pilots her boat 50 kmbefore docking, therefore, his time is

t1=\frac{50km}{V}

3. Emilio continues for another 2 hours, with a total of 80 km before docking. Therefore, his time is:

t2=(\frac{50km}{2} +2h)

4. And his speed is:

V=\frac{80km}{(\frac{50km}{V}+2h)}

5. Solve for V and substitute the value into the formula of Tory's time:

\\V=15\frac{km}{h} \\ t1=\frac{50km}{15\frac{km}{h}}  t1=3.33h

The answer is: 3.33 hours

4 0
3 years ago
What are the slope and y-intercept of the linear function graphed to the left?
Jobisdone [24]
D because if it’s liner then it’s probably positive... I’m not sure
5 0
3 years ago
Read 2 more answers
Sandra has ribbons that are 2/6 meter 3/4meter and 4/9 meter long .She needs to use the ribbon longer than 2/3meter to make a bo
timurjin [86]

Answer:

3/4 meter

Step-by-step explanation:

Need Common denominators to compare size

2/6  3/4  4/9     which is longer than 2/3?

2/6 compared to 2/3.  2/6 = 2/6 and 2/3 = 4/6.  

2/6 < 2/3 so 2/6 is too short

3/4 compared to 2/3   3/4 = 9/12  and 2/3 =  8/12

3/4 > 2/3 so 3/4 is longer than 2/3

4/9 compared to 2/3  4/9 = 4/9 and 2/3 = 6/9

4/9 < 2/3 so 4/9 is too short

6 0
3 years ago
Read 2 more answers
All math teachers are smart. Ms. Smith is your math teacher, so she is smart.
Neporo4naja [7]
This is deductive reasoning.

Hope you have a nice day! :)


7 0
3 years ago
Read 2 more answers
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