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Vladimir [108]
3 years ago
10

PLS HELP

Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0
(6,5)---------------(1,2)-------------------(x2,y2)
6+x2/2=1
5+y2/2=2

6+x2=2
x2=-4
y2=4-5
y2=-1
(-4,-1)

answer is C
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8 0
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Can any one help me with these questions
qwelly [4]
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3 0
3 years ago
Write the ratio as a fraction in lowest term: 15 to 36​
egoroff_w [7]

Answer:

5/12

Step-by-step explanation:

15 to 36 can also be written as 15/36.

Divide by common values to simplify.

15÷3/36÷3

5/12

Best of Luck!

6 0
3 years ago
Anyone willing to help? Question 2 only
Lady_Fox [76]

Answer:

Step-by-step explanation:

Hello,

(a) Peter cycle at an average speed of x km/h

it means that he is doing x km in 1 hour

so to do 40 km he needs 40/x hour

(b) it means that he was doing x-5 km/h

so it took 40/(x-5) hour

(c) 1 hour 20 minutes correspond to 1+20/60=1+1/3=4/3 hour as 1 hour is 60 minutes

so we can write

40/(x-5)=40/x+4/3

3*40x=3*40(x-5)+4x(x-5) \ \ \ \text{multiply by 3x(x-5) both sides}\\ 120x =120x-600+4x^2-20x\\4x^2-20x-600 = 0\ \ \ \text{divide by 4} \\ x^2-5x-150=0

(d)

x^2-5x-150=0\\ x^2+10x-15x-150=0\\ x(x+10)-15(x+10)=0\\ (x-15)(x+10)=0\\\\ x = 15 \ \ or \ \ x=-10

the speed is positive so we take the positive solution which is 15

the speed is 15 km/h

hope this helps

do not hesitate if you need more information

7 0
3 years ago
Which expressions are equivalent to 35+30s−45t<br> I need three
Volgvan

Answer:

5(7+6s-9t), (70+60s-90)/2, and (105+90s)/3-45

8 0
3 years ago
Read 2 more answers
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