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Natasha2012 [34]
2 years ago
9

4/5 + 2 /5 ÷ 2/ 3(they are fractions)PLEASE HURRY

Mathematics
1 answer:
chubhunter [2.5K]2 years ago
4 0

Answer:

1.4 or in fraction form 7/5

Step-by-step explanation:

Hope this is what you were looking for

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<img src="https://tex.z-dn.net/?f=f%28x%29%3D-4x%5E%7B2%7D%2B5x" id="TexFormula1" title="f(x)=-4x^{2}+5x" alt="f(x)=-4x^{2}+5x"
JulijaS [17]

Answer:

Domain= (-inf,inf)/(-∞,∞)

Range= (-inf,25/16]

x-intercepts= (0,0), (5/4,0)

y-intercepts=(0,0)

vertex= maximum (5/8,25/16)

8 0
2 years ago
3x^2-12x-21=0 solve by completing the square
morpeh [17]

Answer:

x = 2 ± √11 (I believe)

Step-by-step explanation:

3 0
3 years ago
1/2(6+3p)-3/4(8-10p)<br> Expand and simplify
andreev551 [17]
When you take this problem and simplify it you get 9p-3
5 0
2 years ago
Read 2 more answers
Find an equation of the line passing through the pair of points (2,3) and (5,9). Write the equation in the form Ax + By = C.
8090 [49]

Answer:

- 2x +  y  = - 1 , so the B is correct.

Step-by-step explanation:

+ Because of "the line passing through the pair of points (2,3) and (5,9)", that means the line has the equation y = ax + b where a = (9-3)/(5-2)= 6/3= 2

+ So the equation is y = 2x + b.

+ Then we replace x= 2 and y= 3 into y = 2x + b for finding  like:

3 = 2*2 + b or 3 = 4 + b, so we find b = 3 - 4 = - 1.

+ The equation of this line is y = 2x - 1 or in the form:

                                  2x - y - 1 = 0 (or -2x + y = -1)

Have a good day!

7 0
3 years ago
Expand and simplify pla
k0ka [10]
Y = f(3f - 4g + 3) +7g(3f - 4g + 3)
= 3f^2 - 4fg + 3f + 21fg - 28g^2 + 21g
= 3f^2 + 3f + 17fg + 21g - 28g^2
4 0
2 years ago
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