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Aleksandr-060686 [28]
3 years ago
10

What angles are formed by perpendicular lines

Mathematics
1 answer:
Tcecarenko [31]3 years ago
8 0

Answer:

Right angle

Step-by-step explanation:

I thinks it's right angle

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p+0.075p=1.075p
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11 is quotient of a number y and 6
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11=y/6

---

hope it helps

sorry, I didn't know how to explain it

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RIDDLE ME THIS Fresh and invigorated after completing her algebra homework, Mimi appeared at the living room door. She held a pi
Marat540 [252]

Answer:

Mimi is 15.

Step-by-step explanation:

Set up two equations, and solve by elimination.

 2(m+5) = d+5

- 3(m-5) =  d-5

_____________

2(m+5) - 3(m-5) = 10

2m + 10 - 3m + 15 = 10

-m + 25 = 10

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<u>m = 15</u>

Plug this back in to get dad's age.

2(m+5) = d+5

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<u></u>

8 0
3 years ago
Can someone smart help me here?
V125BC [204]
The answer is 573

S is the three digit number.
h - a number of hundreds
t - a number of tens
o - a number of ones

S = 100h + 10t + o

<span>The last two digits add to make ten: t + o = 10
</span><span>The first and last digits add to make eight: h + o = 8
</span><span>The first two digits add to make twelve: h + t = 12

</span>t + o = 10          ⇒ o = 10 - t
h + o = 8           ⇒ o = 8 - h
_______
10 - t = 8 - h
h + t = 12          ⇒ h = 12 - t
_______
10 - t = 8 - (12 - t)
10 - t = 8 - 12 + t
10 - t = -4 + t
10 + 4 = t + t
2t = 14
t = 14/2 = 7
______

h = 12 - t = 12 - 7 = 5
______

o = 8 - h = 8 - 5 = 3

S =  100h + 10t + o
h = 5
t = 7
o = 3

S = 100*5 + 10*7 + 3
   = 500 + 70 + 3
   = 573
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In June, a runner ran a mile in 7:45. In September, the runner ran a mile in 5:51.
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The percentage of Change in time is an decrease
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