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aliina [53]
3 years ago
13

In a science test, Jamie solved 42 correct and 18 incorrect answers. What is the percentage of correct question?

Mathematics
2 answers:
uysha [10]3 years ago
4 0
It would have to be B
Slav-nsk [51]3 years ago
3 0

Answer:The answer is C.

Step-by-step explanation:

There are 60 questions total. (42+18)

You just turn the answers into decimals (.80, .75, .70, .40) and you multiply it by the total number of questions(60)

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Ivan and Tanya share £150 in the ration of 4:1
Zarrin [17]

Answer:

Money Ivan gets   extra = 120 - 30 (or 3x) = 90

Step-by-step explanation:

Ivan = 4x

Tanya = 1x

Total = 150

4x + x = 150

5x = 150 ;  x = 150 / 5 = 30

Ivan = 4x = 120

Tanya = 1x = 30

Money Ivan gets   extra = 120 - 30 (or 3x) = 90

8 0
3 years ago
Brainliest, but explain your answer for once? Thanks in advance, appreciate ya!
GenaCL600 [577]

Answer:

c. 1/6

Step-by-step explanation:

I hope it helps you...

4 0
2 years ago
Read 2 more answers
The length of the observable universe is.
alekssr [168]

Answer:

Kindly check explanation

Step-by-step explanation:

Organizations like NASA who explore space and planets often have to deal with measurement of very long distances such as the one stated above. The Major challenge with the distance written in the format expressed above is the difficulty to read, state or use in mathematical calculations as it is too explicit. A more effective method is to express this distance in standard format and more suitable long distant units such as miles.

For instance;

880,000,000,000,000,000,000,000 kilometers could be expressed as in standard form as ;

8.8 * 10^23 km

5 0
3 years ago
Which function has zeros at x = 10 and x = 2? A f(x) = x2 – 12x + 20 B f(x) = x2 – 20x + 12 C f(x) = 5x2 + 40x + 60 D f(x) = 5x2
kow [346]
You have to set it up as two problems then combined like terms then add them together 

8 0
3 years ago
Read 2 more answers
Find the missing probability. P(B)=720,P(A|B)=14 ,P(A∩B)=?
Ivan

Answer:

7/80

Step-by-step explanation:

Given that: P(B) = 7 / 20, P(A|B)= 1 / 4

Bayes theorem is used to mathematically represent the conditional probability of an event A given B. According to Bayes theorem:

P(A|B)=\frac{P(A \cap B)}{P(B)}

Where P(B) is the probability of event B occurring, P(A ∩ B) is the probability of event A and event B occurring and P(A|B) is the probability of event A occurring given event B.

P(A|B)=\frac{P(A \cap B)}{P(B)}\\\\P(A \cap B)=P(A|B)*P(B)\\\\Substituting:\\\\P(A \cap B)=1/4*7/20=7/80\\\\P(A \cap B)=7/80

6 0
3 years ago
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