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ratelena [41]
3 years ago
9

Can you help me with the last four? Thanks!!!

Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0
Yeah i will dude or dudet ask away
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How to figure it out
harkovskaia [24]
Have
.5x+.10y+.20z=380
8 0
3 years ago
The loan that Nate and Isaac got from their parents was at 2% interest for one year. How much will the boys pay in interest on t
kirill [66]

Answer: they will have to pay 50 dollars

Step-by-step explanation: you have to multiply 2,500 by 0.02 as it is the same as a percent then you should get 50

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3 years ago
F the radius of a flying disc is 7.6 centimeters, what is the approximate area of the disc?
hoa [83]

Answer:

3.14x7.6=23.864 because raidus is the disctance around  one circle

Step-by-step explanation:

8 0
3 years ago
The real numbers $x$ and $y$ are such that \begin{align*} x + y &= 4, \\ x^2 + y^2 &= 22, \\ x^4 &= y^4 - 176 \sqrt{
tamaranim1 [39]

You get everything you need from factoring the last expression:

x^4-y^4=-176\sqrt7

The left side is a difference of squares, and we get another difference of squares upon factoring. We end up with

x^4-y^4=(x^2-y^2)(x^2+y^2)=(x-y)(x+y)(x^2+y^2)

Plug in everything you know and solve for x-y:

-176\sqrt7=(x-y)\cdot4\cdot22\implies x-y=\boxed{-2\sqrt7}

4 0
3 years ago
Read 2 more answers
A number cube has sides numbered 1 through 6. The probability of rolling a 2 is 16
ser-zykov [4K]
Hello there.

<span>A number cube has sides numbered 1 through 6. The probability of rolling a 2 is 16
what is the probability of not rolling a 2?

Answer: I'm guessing that by 16 you meant 1/6. Therefore you do 6/6 - 1/6 = 5/6,
Therefore the answer is 5/6.

Hope This Helps You!
Good Luck Studying ^-^</span>
3 0
3 years ago
Read 2 more answers
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