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avanturin [10]
4 years ago
9

Sue answered 80 percent of 150 test questions correctly. How many questions did she not answer correctly?

Mathematics
1 answer:
Marysya12 [62]4 years ago
4 0


150x0.8=120 (correct answers)

150-120=30 (incorrect answers)

she answered 30 questions incorrectly

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1920.2923 in expanded form and in words
STALIN [3.7K]

Answer:

1,000  

+ 900  

+ 20  

+ 0  

+   0.2

+   0.09

+   0.002

+   0.0003

Step-by-step explanation:

one thousand nine hundred twenty and two thousand nine hundred twenty-three ten-thousandths

3 0
3 years ago
What is the value of X. I will mark brainliest to the first 1 week right
Paraphin [41]

The two angles form a straight line and need to equal 180 when added together:


7x + 28 + 33 = 180

Simplify:

7x + 61 = 180

Subtract 61 from both sides

7x = 119

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X = 17


Answer: B.17

7 0
2 years ago
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Multiply (6 z2 - 4 z + 1)(8 - 3 z ).
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It would be d Answer if you simplified it
5 0
3 years ago
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9x+6-4x-2x+1-15 simplify plz
erik [133]

Answer:

3x-8

Step-by-step explanation:

8 0
3 years ago
I need help with this word problem. I don't even know where to start! Thank you so much :)
Ede4ka [16]

Answer:

t = -1.042, when s = 4 m/s

Step-by-step explanation:

The finishing time of the runner is given as the function of tail-wind speed.

t = 0.0119 s² - 0.308 s - 0.0003

We have to find t, when s= 4 m/s

Substitute s = 4, in the above equation

t = 0.0119 (4²) - 0.308 (4) -0.0003 = 0.1904 - 1.232 - 0.003 = -1.0419

Rounding it to the nearest hundredth, we have,

t = -1.042

∴ t = -1.042, when s = 4 m/s.

5 0
3 years ago
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