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julsineya [31]
4 years ago
13

Roman missed 7 out of 90 problems on a math test. What percent of the questions did he answer correctly

Mathematics
2 answers:
Pavlova-9 [17]4 years ago
8 0

Answer:

%93

Step-by-step explanation:

90-7=83

83/90=.93

damaskus [11]4 years ago
8 0
He answered 92% of the questions correctly.

To find the percent of questions he answered correctly you need to subtract 90 by 7 so that you get the questions that were correct which will give you 90-7 and you’ll get 83.

Next you want to find what 83 is of 90 so you would use division. 83/90≈0.9223. Next you want to round by the nearest hundredth to get the percent. The rounding will then become 0.92. 0.92 can be changed into 92%.
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viktelen [127]
Hello there.

Question: <span>What is the missing number in the number sentence ?

Answer: It would be 4.
Both sides should be equal therefore the number you need is 4.

</span>Hope This Helps You!
<span>Good Luck Studying ^-^</span>
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stiv31 [10]

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3 years ago
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pentagon [3]
Your answers are wrong. the function f(x) is like a factory. you put in something ( a number) and it will spit you out something else (a different number depending on the function). your function, f (x)= -2x+1

you can put anything in that function. let say k.
f(x=k) = -2k+1. you just replace the x with k.
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f(x=-2) = f(-2) = -2×(-2)+1 =5
f(x=0) = f(0) = -2×(0)+1 =1
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f(x=2) = f(2) = -2×(2)+1 =-3
3 0
3 years ago
A colony of bacteria is growing exponentially according to the function below, where t is in hours. How many bacteria are there
pychu [463]
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<span>B(t) = 4 e^0.8t
</span>
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Verdich [7]

Answer:

kjdfghudhgiohdfg

Step-by-step explanation:

u deserve it >:(

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