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Tcecarenko [31]
3 years ago
12

Simplify 4x + 5×-5y+3y

Mathematics
1 answer:
uysha [10]3 years ago
6 0
4x+5x-5y+3y
 \\ 9x-2y
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Need to find a and b
svp [43]
First, 126/32 so divide top and bottom by 2

126 / 2 = 63
32/2 = 16

answer
 
a = 16
and
b = 2


5 0
3 years ago
How do I know if an equation has one solution no solution or infinitely many solutions?
Lemur [1.5K]

Answer:  If the equation ends with a false statement (ex: 0=3) then you know that there's no solution. If the equation ends with a true statement (ex: 2=2) then you know that there's infinitely many solutions or all real numbers.

Step-by-step explanation:

3 0
3 years ago
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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the length of the third side of each triangle mark
Sedaia [141]

Answer:

I'm going to use the Pythagoras theorem

1. hypotenus²= base²+height²

h²=80²+18²

h²=6400+324

√h²=√6724

hypotenuse= 82

2. 53²=45²+h²

2809=2025+h²

2809-2025=h²

784=h²

√784=√h²

h=28

3. 40²=b²+24²

1600=b²+576

1600-576=b²

√1024=√b²

b= 32

5 0
3 years ago
Solve for the smallest value of $x$ such that $24x^2 + 17x - 20 = 0.$ Express your answer as a simplified common fraction.
Gala2k [10]
X=5/8 or x=-4/3 
here is the work if needed...
24x^2+17x-20=0
Step one: Factor left side of equation.
(8x-5)(3x-4)=0
Step two: Set factor equal to 0.
8x-5=0 or 3x-4=0
x=5/8 or x=-4/3
4 0
3 years ago
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