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Rainbow [258]
2 years ago
11

I can’t do this rn does someone know what to do??

Mathematics
1 answer:
uranmaximum [27]2 years ago
4 0

Answer:

see image

Step-by-step explanation:

See image. It all on the paper in the picture. Hope this helps! Please mark Brainliest if possible! tysm!

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A student has passed 60 percent of the 20 quizzes he has written so far successfully. if the student writes 50 quizzes during th
Lady bird [3.3K]
60% of 20 is (0.6 x 20) = 12 passes There are a further 30 quizzes remaining (50 total during the year minus 20 already written) 80% of 30 is (0.8 x 30) = 24 passes The student has passed (12 + 24) = 36 quizzes out of 50 total, giving an overall pass percentage of ((36 / 50) x 100)) = 72%.
6 0
3 years ago
Read 2 more answers
^5 square root x^4 times ^5 square root x^4
Alla [95]

Answer:

Do 5x5 4 times

Step-by-step explanation:

4 0
3 years ago
I need help it's so confusing!​
jasenka [17]
Try looking up the answer
5 0
3 years ago
Help me please will be appreciated thx
alexandr1967 [171]

Answer:

-6 +8d -2c

Step-by-step explanation:

\frac{-2}{5} (15 -20d +5c) = \frac{-2}{5} \times 15 - \frac{-2}{5}\times20d +\frac{-2}{5}\times5c = -6 + 8d -2c

3 0
3 years ago
5x-2y=11 and 3x+4y=4<br>Find the value of x and y in equation.​
nadya68 [22]
  • 5x-3y=11---(1)
  • 3x+4y=4---(2)

(1)×3 and (2)×5

  • 15x-9y=33-(3)
  • 15x+20y=20-(4)

Subtract both

\\ \sf\longmapsto -29y=13

\\ \sf\longmapsto y=\dfrac{-13}{29}

  • Put in eq(1)

\\ \sf\longmapsto 5x+\dfrac{-117}{29}=11

\\ \sf\longmapsto 5x=11+\dfrac{117}{29}=\dfrac{261+117}{29}=\dfrac{278}{29}

\\ \sf\longmapsto x=\dfrac{278}{145}

7 0
2 years ago
Read 2 more answers
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