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Dahasolnce [82]
3 years ago
15

What time is 2 hours and 45 minutes before 9:00 P.M.?

Mathematics
2 answers:
GaryK [48]3 years ago
5 0
I think it is 6:15 p/m/
alexandr402 [8]3 years ago
4 0
The answer is 6:15 pm.
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Qué características tiene un rombo
Dominik [7]

Answer:

Un rombo es cualquier paralelogramo con cuatro lados congruentes, cuatro ángulos y cuatro vértices. Tiene la forma de un diamante y una cometa

6 0
3 years ago
What equation represents the line that passes through the points (-3,7) and (3,3)?
iris [78.8K]

Answer:

A

Step-by-step explanation:

slope: (7-3)/(-3-3) = 4/(-6) = -2/3

y = -2/3 x + b

7 = 2 + b

b= 5

y = -2/3 x + 5

3 0
2 years ago
Persamaan garis lurus yang melalui titik potong garis dengan persamaan 2x+5y=1 dan x-3y=-5 serta tegak lurus garis dengan persam
Novosadov [1.4K]

pertama menemukan tempat di mana dua persamaan mencegat<span>
2x+5y=1
x-3y=-5
</span>
kalikan persamaan kedua ( x - 3y = -5 ) oleh -2
-2x+6y=10
<span>tambahkan dua persamaan bersama-sama
2x+5=1
<u>-2x+6y=10 +</u>
0x+11y=11
</span>
11y=11
<span>membagi kedua sisi dengan 11
y=1
</span>
subsitute y = 1 untuk y dalam semua persamaan untuk memecahkan x
x-3y=-5
x-3(1)=-5
x-3=5
x=8

x=8
y=1
(x,y)
<span>titik persimpangan adalah ( 8,1 )

</span>
<span>untuk membuat menemukan garis tegak lurus lebih mudah , mengkonversi persamaan terakhir ke bentuk lereng - intercept
2x-y+5=0
2x+5=y
y=2x+5
</span>
<span>garis tegak lurus memiliki kemiringan yang , bila dikalikan dengan kemiringan garis lainnya , memberikan -1
y=mx+b
m=</span>lereng

y=2x+5
2 <span>dikalikan x=-1
x=-1/2
y=-1/2x+b
</span><span>subsitute ( 8,1 ) ke dalam persamaan dan memecahkan untuk b
x=8
y=1
1=-1/2(8)+b
1=-4+b</span>
tambahkan 4 untuk kedua belah pihak
5=b
<span>persamaan adalah y=-1/2+5
</span>
<span>( Catatan : Saya menggunakan google translate )</span>



7 0
4 years ago
the three expressions, sin-1, cos-1, and tan-1 are called _____ trig functions and are used to find the measure of the acute ang
geniusboy [140]

Answer:

Inverse.

Step-by-step explanation:

8 0
4 years ago
Aiden has $15.00 on his copy card. Each time he uses the card to make a photocopy, $0.06 is deducted from his card. Aiden wants
melamori03 [73]
15 - 0.06X=5
would be 
X=166 2/3
4 0
4 years ago
Read 2 more answers
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