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kherson [118]
4 years ago
8

Can you help me with question please thank you

Mathematics
1 answer:
user100 [1]4 years ago
5 0
43 degrees because they are congruent so angle p is equal to angle k
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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
Please help I can’t get a penalty
valentinak56 [21]

4+4v    = 3v +4

------- = -----------

-3            2

use cross products

(4+4v) *2 = -3*(3v+4)

distribute

8+8v = -9v-12

add 9v to each side

8+17v = -12

subtract 8 from each side

17v = -20

divide by 17

v = -20/17

6 0
3 years ago
Read 2 more answers
What is the median for 44 48 50 and 65
AlexFokin [52]

Answer:

Step-by-step explanation:

To find the median, first order your data. Then calculate the middle position based on n, the number of values in your data set. If n is an odd number, the median lies at the position (n + 1) / 2. If n is an even number, the median is the mean of the values at positions n / 2 and (n / 2) + 1.

6 0
2 years ago
Read 2 more answers
If the complex number x = 3 + bị and |x|^2= 13, which is a possible value of b?
Irina-Kira [14]
Is there more information
7 0
3 years ago
Consider the quadratic function f(y) = 8y2 – 7y + 6. What is the constant of the function?
Over [174]
The constant is 6. A constant is just the number on its own. Quadratics follow the form f(x) = ax^2+bx+c. The c is the constant. 
7 0
3 years ago
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