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Yanka [14]
3 years ago
6

Lance's math quz has eight true faise questions. How many different choices for giving answers to the eight

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
7 0

Answer:

2^8 = 256 choices

Step-by-step explanation:

lions [1.4K]3 years ago
4 0
16 because there are 2 different answer choices and 8 questions, and 8x2 is 16.
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Please help, very confused
miss Akunina [59]

Answer:

1.

-3x + 8y = -5

6x + 2y = -8

Set the equations to a common variable.

-3x + 8y = -5 → 8y = 3x - 5 → y = 3/8x - 5/8

6x + 2y = -8 → 2y = -6x - 8 → y = -3x - 4

Set the equations equal to each other.

3/8x - 5/8 = -3x - 4

Combine like terms.

3x + 3/8x = -4 + 5/8

3.375x = -3.375

Divide by 3.375

x = -1

Plug x back in to find y.

-3x + 8y = -5

-3(-1) + 8y = -5

3 + 8y = -5

8y = -8

y = -1

answer: (-1, -1)

2.

3x + 2y = -16

-3x - 8y = 46

Set the equations to a common variable.

3x + 2y = -16 → 2y = -3x - 16 → y = -3/2x - 8

-3x - 8y = 46 → -8y = 3x + 46 → y = -3/8x - 23/4

Set the equations equal to each other.

-3/2x - 8 = -3/8x - 23/4

Combine like terms.

-9/8x = 9/4

or

-1.125x = 2.25

Divide by -1.125

x = -2

Plug x back in to find y.

3(-2) + 2y = -16

-6 + 2y = -16

2y = -10

y = -5

answer: (-2, -5)

6 0
3 years ago
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The data in the table shows a sinusoidal relationship between the number of seconds an object has been moving and its velocity
blsea [12.9K]

Answer:

the answers are 8, 20, and 12

6 0
2 years ago
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An amoeba is 0.8 millimeter in length. At the science museum there is a scale model of the amoeba that is 160 millimeters in len
lisabon 2012 [21]
The scale factor is 200
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3 years ago
Which is greater -1/4 or -1/2
oksian1 [2.3K]

Answer:

-1/4 > -1/2

Step-by-step explanation:

-1/2 = -2/4

and -1/4 is greater than -2/4

7 0
3 years ago
Solve the Equation<br> -8.3 = d+4.7
alukav5142 [94]

Answer:

d = -13

Step-by-step explanation:

-8.3 = d + 4.7

-8.3 - 4.7 = d

-13 = d

6 0
2 years ago
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