MATHEMATICS HIGH SCHOOL

20% of my money is £2.55
What is 2/5 of it?

Answers

Answer 1
Answer: 20% = 2.55
2/5 = 40% (2 ÷ 5 = 0.40) so 2.55 × 2 = 5.10
Happy to Help!

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Daniel wants to have a 90 average in his math class at the end of the year. He is trying to determine what he needs to get on his final exam, which accounts for 10% of his grade, for this to work. Tests are weighted 50% of the grade, and he currently has a 85 for his test average; quizzes are weighted 15% of his grade, and he currently has a 95 quiz average; homework is weighted 15% of his grade and he currently has a 98 homework average; and projects are weighted 10% of his grade and he currently has a 92 project average. What is the lowest whole percentage Daniel can make on his final exam for him to end up with a 90 in the class?

The value of 27 raised to the power 2 upon 3 is

Answers

Answer:

9

Step-by-step explanation:

using the rule of exponents/ radicals

• a^{(m)/(n) } = (\sqrt[n]{a}) ^(m)

given

27^{(2)/(3) }

= (\sqrt[3]{27}) ^(2)

= 3²

= 9

Final answer:

To calculate 27 raised to the power of 2/3, you first find the cube root of 27, which is 3 and then square that result, giving you 9.

Explanation:

The question requires the computation of a number, specifically 27, raised to a fractional exponent, which is 2/3. To calculate 27 raised to the power of 2/3, you can break it into two steps: take the cube root of 27 first, and then square the result. The cube root of 27 is 3, because 3*3*3 equals 27.

Then, squaring 3 (i.e., raising 3 to the second power) gives 9. Consequently, 27 raised to the power of 2/3 equals 9. This is a typical problem when dealing with powers and roots in mathematics and demonstrates the application of fractional exponents.

Learn more about Fractional Exponents here:

brainly.com/question/34964344

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Write 4x=1024 in logarithmic form

Answers

4^x=1024\n\nlog_44^x=log_41024\n\nxlog_44=log_41024\n\nx=log_41024

3x+5+19x+11
help please

Answers

Step-by-step explanation:

Ans is 21x+16

3x+19x=21x

5+11=16

Urgent !! please help !! can someone help me with this problem and show work

Answers

Answer:

x = 7      x= -2

Step-by-step explanation:

x^2 -5x -14 =0

What 2 numbers multiply to -14 and add to -5

-7*2 = -15

-7 +2 = -5

(x-7) (x+2) =0

Using the zero product property

x-7 =0   x+2 = 0

x = 7      x= -2

Answer:

Using the snowflake method, factors that multiply to give -14 and add to give -5 are: 2 and -7.

the factors are: (x+2)(x-7)

The radical form plz someone help

Answers

Answer:

it cannot be converted to radical form

Step-by-step explanation:

Someone please help me!!!​

Answers

Answer:

thats easy you don't need help

Step-by-step explanation:
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