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serious [3.7K]
3 years ago
13

Please help!!! Thank you!

Mathematics
1 answer:
Naya [18.7K]3 years ago
8 0

Answer:

C

Step-by-step explanation:

y=-2x+3

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PLSSS HELP THIS IS HARD ANYONE
Nikolay [14]

Answer:

270 degrees counterclockwise rotation/ the last answer

Step-by-step explanation:

reflection over the y axis wouldn't work bc the shape would still be a horizontal rectangle

dilation would change the size of the shape

and translation wouldn't map it correctly bc it would still be turned the wrong way

3 0
3 years ago
Read 2 more answers
Fritz is recording the decay of radioactive material. The table displays the
damaskus [11]

Answer:

Every week, the radioactivity decreases by a factor of 5

After 1 week, it goes from 5,000 to 1,000

2 weeks  1,000 / 5 =200

3 weeks 200 / 5 = 40

4 weeks 40 / 5 = 8

5 weeks 8 / 5 = 1.6

6 weeks 1.6 / 5 = 0.064

7 weeks 0.064 / 5 = 0.0128

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Step-by-step explanation:

3 0
2 years ago
Divide.<br> 3 5/9 ÷ -2 2/3<br> Enter your answer as a mixed number, in simplified form, in the box.
kvv77 [185]
-1 and 1/3 because you convert to a regular fraction and get (32/9)/(-8/3), then you flip the fraction and multiply
3 0
3 years ago
What is the sum of the first 47 terms of the sequence? -215, -201, -187, -173, ...​
Andru [333]

Answer:

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Step-by-step explanation:

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=  [ 2a₁ + (n - 1)d ]

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Here a₁ = - 215 and d = 14 , then

=  [ (2 × - 215) + (46 × 14) ]

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6 0
3 years ago
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Change the mixed numbers into improper fractions:
5/3 X 9/2

Reduce - the 3 and 9 can be simplified
5/1 X 3/2

multiple numerators and denominators
15/2

Not sure how you need the answer - i would change it into a mixed number
7 1/2
3 0
3 years ago
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