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Elena L [17]
1 year ago
12

0.9y-0.7=4.2 Need help

Mathematics
1 answer:
Darya [45]1 year ago
7 0
Y=5.444….. (repeating 4)
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4 0
1 year ago
Use the given x-values to identify solutions as ordered pairs to the equation y = −7x + 4 for x = 1, 3, 5, and 7
kolezko [41]
For x=1: -7 x 1 + 4 = -3     y=-3
The ordered pair:(1, -3)
for x=3: -7 x 3 + 4 = -17    y=-17
The ordered pair:(3, -17)
for x=5: -7 x 5 + 4 = -35    y=-35
The ordered pair:(5, -35)
for x=7: -7 x 7 + 4 = -45    y =-45
The ordered pair:(7, -45)
8 0
3 years ago
If y varies directly as the square root of x and y = 8 when x = 36, find the value of y when x = 144. y =
Wittaler [7]

Answer:

y=32

Step-by-step explanation:

cross multiply

36/4 *144/y

144*8/36

=1152/36

y=32

8 0
3 years ago
How do you simplify 4x^6/2x-6
Ahat [919]
4x^6 / (2x - 6) 

4x^6 / 2(x - 3) 

2x^6 / (x - 3)
3 0
2 years ago
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