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Romashka-Z-Leto [24]
3 years ago
8

Find the simplified form of each expression

Mathematics
1 answer:
astraxan [27]3 years ago
7 0

11.(y^6)² = y^12

12.(x^-3)^-5 x^6 = x^21

13.(6q^6)^–4 = 1/1296q^24

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Sam and Bethan share £54 in the ratio of 5:4 work out how much each gets
Sindrei [870]
Answer:
Sam gets £30 and Bethan gets £24.
Why?
When dealing with ratios, add up the numbers in the ratio.
5 + 4 = 9
Now, divide the total amount of money by that number.
£54/9 = 6
Now you have the base rate. Multiply each quantity in the ratio by this number.
5*6 = 30
4*6 = 24
Now, the ratio is (in euro) 30:24. This means that Sam has £30 and Bethan has £24.
Check:
30 + 24 = 54
6 0
3 years ago
Exponents and roots are what operations
dalvyx [7]

Answer:

An exponent

Step-by-step explanation: So if we have 83, we want to multiply three 8s, or 8 * 8 * 8. A root is basically the opposite. We're trying to find the number that we multiply by itself a certain number of times to get the number under the radical sign.

8 0
3 years ago
How much did Maria have in the account after 5 years???
Svetllana [295]
So in this case P = 2000, i = 0.045, and t = 5.
Just substitute, those numbers into the equation, getting you 2000(1+0.045)^5
This then becomes 2000(1.045)^5
Which gets you about 2492.36, or B.
7 0
3 years ago
For a quadrilateral to be rhombus the diagonals have to be
user100 [1]

Answer:

  perpendicular bisectors of each other

Step-by-step explanation:

For a quadrilateral to be rhombus the diagonals have to be <em><u>perpendicular bisectors of each other</u></em>.

__

The diagonals of a parallelogram bisect each other. When that parallelogram is a rhombus, the diagonals are perpendicular, hence mutual perpendicular bisectors.

5 0
3 years ago
Read 2 more answers
Someone please hurry and help with number 3!!!!
marissa [1.9K]

Answer:

the correcet answer is A

4 0
3 years ago
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