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adell [148]
3 years ago
12

Help please!!!!!!!!!!!!!!

Mathematics
2 answers:
BARSIC [14]3 years ago
8 0
Y=-1/3x+9

The line cross the y-axis at positive 9, and is at a downward slope of down one, over three. So y equals negative one-third X plus 9 is you slope equation.
zhenek [66]3 years ago
4 0

Answer:

y=-1/3x+9

Step-by-step explanation:

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How do I solve this system using substitution: y = x - 7 ; 2x + y = 8
Rudiy27
Y = x - 7
2x + y = 8

2x + (x - 7) = 8
  2x + x - 7 = 8
        3x - 7 = 8
        <u>    + 7 + 7</u>
             <u>3x</u> = <u>15</u>
              3      3
               x = 5
y = x - 7
y = 5 - 7
y = -2
(x, y) = (5, -2)
7 0
4 years ago
Read 2 more answers
Which equation can be solved using the expression -3 plus or minus the square root of (3)^2+4(10)(2)/2(10) for x?
monitta

Answer: B. 2=3x+10x^2

Step-by-step explanation:

The expression means the quadratic function equation.

B = 10x^2 + 3x -2 = 0

the equation is [-b ±√(b^2 -4ac)]/2a

b should be +3 to become -3 when it is plugged into the equation, and 'a' should be 10, and c should be -2.

5 0
3 years ago
Complete the recursive formula of the arithmetic sequence 14, 30, 46, 62, ....
Sauron [17]

Answer:

They are adding 16 to the number each time. So the next number in the sequence would be 78.

Step-by-step explanation:

d(1) = 14

d(n) = d (n-1) + 16

14 + 16 = 30

30 + 16 = 46

46 + 16 = 62

62 + 16 = 78 and so on...

5 0
3 years ago
The ratio of a map is 1:100
scoundrel [369]

the Answer might be ................800cm

5 0
3 years ago
Read 2 more answers
a wheel has diameter 84cm.During a journey the wheel make 800 complete revolutions. how many meter does it travel?
VMariaS [17]

Answer:

2110.08 meters

Step-by-step explanation:

find the circumference of the wheel

Divide 84 by 2 to find the radius.

84/2=42

C=2πr

C=2(3.14)(42)

C=263.76 cm

263.76*800=211008cm

Divide by 100 to convert to meters

211008/100=2110.08

2110.08 Meters

Hope this helps!

4 0
3 years ago
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