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Mrac [35]
3 years ago
15

I need the awnser please.

Mathematics
2 answers:
Orlov [11]3 years ago
5 0

Answer:

8 and -4  / 6 and -2 / 5 and -1

Step-by-step explanation:

hope this helps

Olin [163]3 years ago
4 0

Answer:

-4 and 8, -2 and 6, -1 and 5

Step-by-step explanation:

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A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance
nataly862011 [7]

The Required ratio between the speed of the boat and speed of the water current is 8:3.

<h3>What is ratio?</h3>

In mathematics, a ratio indicates how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six.

Given:

Upstream time= 8 hr 48 = 8 4/5 hour

Downstream time= 4 hour

Let the man's rate upstream be x kmph and that downstream be y kmph.

Then,

distance covered upstream in 8 hrs 48 min = Distance covered downstream in 4 hrs.

x* 8 hr 48 min = y* 4 hours

x* 8 4/5= 4y

y= 11/5 x

Now,

Required ratio

(y+x)/2:(y-x)/2

= (16x/5 * 1/2): ( 6x/5 *1/2)

=8/5:3/5

=8:3

Hence, the required ratio is 8:3.

Learn more about ratio here:

brainly.com/question/13419413

#SPJ4

3 0
1 year ago
Order the following numbers from least to greatest...
poizon [28]

Answer:

-25/3,\sqrt{x} 15,-pi/2,3pi

Step-by-step explanation:

6 0
2 years ago
Evaluate the expression 4^3/8(3*2)-3=10
nadya68 [22]

Answer:

false

Step-by-step explanation:

the anwser would be 45=10 witch is not true

3 0
2 years ago
PLEASE HELP ONLY IF RIGHT 69 points, brainliest, 5 stars, and thank you.
Alex_Xolod [135]

Answer: 804.25cm

Step-by-step explanation:

V=πr2h/3

pi= 3.14

r=8cm

h= 12cm

Slot the values

3.14× (8x8) × 12/3

3.14 × 64 x 4

V= 804.25cm

4 0
3 years ago
How do u find the point in a graph if they are not given to u when u solving changing y over changing x
stiks02 [169]
U would replace x with 0 in the equation and solve and then do the same but with y and those are ur x and y values of ur point
Ex: 2x+5y=15
2(0) +5y=15
5y=15
Y=3
2x+5(0)=15
2x=15
X=7.5
So ur point would be (7.5,3)
3 0
2 years ago
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