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omeli [17]
3 years ago
6

Identify the equivalent of:

Mathematics
2 answers:
Olenka [21]3 years ago
8 0
none are correct. the right answer is 4y=16x-8 is equivalent to y=4x-2
ioda3 years ago
7 0
4y=16x-8
4y-16x=-8
-4y+16x=8
A is the correct answer, 8=-4y+16x
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Indicate in standard form the equation of the line passing through the given points.
Lynna [10]
(-2,2)(5,1)

slope(m) = (1 - 2) / (5 - (-2) = -1 / 7

y = mx + b
slope(m) = -1/7
use either of ur points....(5,1)....x = 5 and y = 1
now sub and find b, the y int
1 = -1/7(5) + b
1 = -5/7 + b
1 + 5/7 = b
7/7 + 5/7 = b
12/7 = b

equation is : y = -1/7x + 12/7....but we need it in standard form...

y = -1/7x + 12/7
1/7x + y = 12/7
x + 7y = 12 <== standard form
5 0
3 years ago
Read 2 more answers
A. When comparing the "# of Bacteria" each hour, what is the number being multiplied by each time? *
LenaWriter [7]

Answer:

Part a) The number is 8

Part b) The initial number of bacteria is 4

Part c) y=4(8)^x

Part d) y=100(8)^x

Step-by-step explanation:

we know that

The equation of a exponential function is equal to

y=a(b)^x

where

y is the number of bacteria

x is the time in hours

b is the base of the exponential function

a is the initial number of bacteria

Part a) When comparing the "# of Bacteria" each hour, what is the number being multiplied by each time?

we know that

For x=1 h ----> y=32 bacteria

For x=2 h ----> y=256 bacteria

For x=3 h ----> y=2,048 bacteria

For x=4 h ----> y=16,384 bacteria

For x=5 h ----> y=131,072 bacteria

For x=6 h ----> y=1,048,576 bacteria

so

256/32=8

2,048/256=8

16,384\2,048=8

131,072/16,384=8

1,048,576\131,072=8

so

the base of the exponential function  b is 8

Part b) What is the initial number of bacteria? (at time zero)

we know that

The number of bacteria at time x=1 hour , divided by the number of bacteria at time x=0 must be equal to 8 (see part a)

so

\frac{32}{a}=8

solve for a

a=32/8=4\ bacteria

Part c) Write a rule for this table

we have

y=a(b)^x

we have

a=4\\b=8

substitute

y=4(8)^x

Part d) Suppose you started with 100 bacteria, but they still grew by the same growth factor. Write the function rule for this situation

In this case

a=100

b=8 ---> the growth factor is the same

so

y=100(8)^x

6 0
3 years ago
Read 2 more answers
Which equation is equivalent to 2/3 x -5 / 6 equals -5 / 12 x + 1 / 4​
cluponka [151]

Answer:

13x=13

Step-by-step explanation:

...............

6 0
2 years ago
There are two connected gears. One has 60 teeth and it makes 50 complete revolutions in a minute. How many complete revolutions
VikaD [51]

60/40 *50 = 75

75 revolutions

8 0
3 years ago
Does anyone know the answer?
Kazeer [188]
The answer is c. When the added number is outside of the radical it adds to the y, moving it up
4 0
3 years ago
Read 2 more answers
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