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fredd [130]
3 years ago
13

#10 There are 16 girls in

Mathematics
1 answer:
mihalych1998 [28]3 years ago
7 0

Answer:

45.71% I think I'm not sure

Step-by-step explanation:

this equation was tough I dont have an explanation

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Last one, Help with math please 18-20 on the pdf. I do not know how to post a picture I am so sorry.
tatuchka [14]
Question 18
The answer is 4 days. 
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Equating the two equations. 
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n=4

Question 19
When the solution is (4,1), it means the value of y=1 and x=4. 
The answer is;
y=x-3
y=-3x+13. Since when the values of x and y are substituted they satisfy the system. 

Question 20
The system has no solution.
This is because the line are parallel and they do not intersect to give a solution. 



8 0
3 years ago
Read 2 more answers
Check my answer please!
Ray Of Light [21]
The answer is C, 4.

you combine like terms and that is the answer you get.

4 0
3 years ago
Find a third number so that three numbers form a right triangle.<br><br>9,41​
expeople1 [14]

Answer:

40

Step-by-step explanation:

a^2+b^2=c^2

therefore c^2-b^2=a^2

41x41=1681

9x9=81

1681-81=1600

Sqrt1600=40

5 0
3 years ago
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there are 91 threatened and endangered plants and animals in Texas write and solve an equation to find the number of threatened
TEA [102]
\sf 91 - 28 = threatened~and~endangered~animals\\threatened~and~endangered~animals= 63

Your answer is 63.
3 0
3 years ago
Karen has $800 to open a checking account. She wants an account with the lowest fees. She only writes about five checks per mont
Bogdan [553]

Answer:

The correct answer on e2020 is Account C

Step-by-step explanation:

7 0
4 years ago
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