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Gnom [1K]
2 years ago
13

Brianna answered 80% of the questions correct on her math test. Which fraction represents the number of questions she answered c

orrectly?
Mathematics
2 answers:
LiRa [457]2 years ago
7 0

Answer: 4/5

Step-by-step explanation:

80% is 80/100

80/100 simplified is 4/5

Reptile [31]2 years ago
6 0

Answer:

8/10 ( you didnt say how much questions there were)

Step-by-step explanation:

As a fraction, 80/100 simplifies to be 8/10. ( 10 can go into 80, 8 times and 10 can go into 100, 10 times)

So, if Brianna had 10 questions on the test and answered 80% correctly, take the numerator of this simplified fraction and that's the answer

ANSWER: 8

Brianna got 8 questions correct

Hope this helps you. Plz mark Brainliest if u want to!  :)  

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Solve for x.<br> 75°<br> 11x-2
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Answer:

x=7

Step-by-step explanation:

6 0
2 years ago
Solve the system: <br> 2x+6y=36<br> x+4y=20
Assoli18 [71]

<u>Let's solve this problem step-by-step</u>

<u>Let's set</u>:

   2x + 6y = 36 -- equation 1

   x + 4y = 20 -- equation 2

(equation 2) * 2

   2x + 8y = 40 -- equation 3

(equation 3) - (equation 1)

   2y = 4

   y = 2 -- equation 4

Plug (equation 4)'s value of y into (equation 2)

   x + 4(2) = 20

   x = 20 - 8

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<u>Thus x = 12 and y = 2</u>

<u>Let's check, by substituting these values</u>

  2x + 6y = 36\\2(12)+6(2) = 36\\24+12=36\\36=36\\\\x+4y=20\\12+4(2)=20\\12+8=20\\20=20

<u>Answer: x = 12 and y = 2</u>

Hope that helps!

5 0
2 years ago
Indicate the answer choice that best completes the statement or answers the question.
Tema [17]

Answer:

C

Step-by-step explanation:

m<2:

180 - 60 - 48 = 72

Vertical angle thm:

m<1 = 48

m<3:

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6 0
3 years ago
99,000 equals how much tens
In-s [12.5K]
9900  because you divide 99000 by 10
3 0
3 years ago
Read 2 more answers
If you double 4 and if you double 1/2 then add 1, add 8 +1
Anna35 [415]

Answer:

19?

Step-by-step explanation:

double of 4 is 8, double of 1/2 is 1 and adding them all together is 19

6 0
2 years ago
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