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Brums [2.3K]
3 years ago
8

After eliminating radicals, what quadratic equation can you solve to find the potential solutions of ..

Mathematics
1 answer:
sasho [114]3 years ago
4 0

Answer:

Step-by-step explanation:

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A motorboat takes 5 hours to travel 200 miles going upstream. The return trip takes 4 hours going downstream. What is the rate o
dsp73

Answer:

rate of motorboat: b

rate of current: c

So the rate the boat travels upstream is $b - c$, and the rate it travels downstream is $b + c$

Step-by-step explanation:

d = rt

200 = (b - c)\cdot 5

200 = (b + c)\cdot 4

b - c = 40

b + c = 50

Adding these equations, we get:

2b = 90

b = 45

So

c = 50 - 45 = 5

<u>Therefore the rate of the boat is 45kph, and the rate of the current is 5kph</u>

Hope this helps :)

4 0
3 years ago
find the missing side of the triangle below. please round your final answer to the nearest tenth. Be sure to show all work! Use
AleksandrR [38]
I believe x=10.25 because of the pythagorean theorem.
5 0
2 years ago
Can someone please answer this question please answer it correctly and please show work please help me I need it
JulsSmile [24]

Answer:

B

Step-by-step explanation:

We'll use Natasha's location as 0 on a number line. To the left of her, 51/20 would be negative and 25/4 would be positive.

To find how far apart the dogs are, we would need to add the absolute value of each number:

|-51/20| + |25/4| however, this can also be rewritten as:

25/4 - (-51/20)

3 0
3 years ago
Solve (y/4) +3 = 7<br> a) y = 40<br> b) y = 1 <br>c)y = 25 <br>d) y = 16
sertanlavr [38]

(Y/4) +3 = 7

Subtract 3 from both sides:

Y/4 = 4

Multiply both sides by 4

Y = 16

4 0
2 years ago
Read 2 more answers
I need help with this
olganol [36]

Answer: 101.956

Step-by-step explanation:7.18•14.2= 101.956

7 0
2 years ago
Read 2 more answers
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