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DedPeter [7]
3 years ago
12

Can someone help me please, ASAP!! Thank you!

Mathematics
1 answer:
forsale [732]3 years ago
4 0
Use a proportional that will give you x=4
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Selesaikan persamaan linear serentak berikut.<br> 2x + y = -5<br> 3x - 4y = 9
makkiz [27]

Answer:

(-1;-3)

Step-by-step explanation:

\left \{ {{4(2x+y)=4*(-5)} \atop {3x-4y=9}} \right.  \ => \ \left \{ {{8x+4y=-20} \atop {3x-4y=9}} \right. \ => \ \left \{ {{11x=-11} \atop {2x+y=-5}} \right. \ => \ \left \{ {{x=-1} \atop {y=-3}} \right.

8 0
3 years ago
I need help asap!<br> :)
Norma-Jean [14]

Answer:

F^-1(x)=0.125x-0.125

Step-by-step explanation:

Y=8x+1

X=8y+1

8y=x-1

Y=0.125x-0.125

3 0
3 years ago
Read 2 more answers
Chandra runs 10 miles. After every two miles, she checks the time. The scatter plot shows her results.
masya89 [10]

Answer: 7.5

Step-by-step explanation:

Per 2 mile she ran 15m

Per one it’s 7.5m

3 0
3 years ago
3p + 4q = 22<br> 10p + 12 q = 68<br> What is p and what is q<br> (Similtaneous equations)
Rashid [163]

Answer:

q=4

p=2

Step-by-step explanation:

3p+2q=14

10p+6q=44

10(3p+2q=14)

3(10p+6q=44)

30p+20q=140-

30p+18q=132

2q=8

2q/2=8/2

q=4

3p+2*4=14

3p+8=14

3p=14-8

3p/3=6/3

p=2

hope this helps

7 0
3 years ago
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If r is the radius of a circle and d is its diameter which of the following is an equivalent formula for the circumference c = 2
Ratling [72]

Answer:

C

Step-by-step explanation:

C=2pier or pied

8 0
3 years ago
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