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kondor19780726 [428]
2 years ago
15

What is 4/5 = 12/blank | Equivalent Fractions

Mathematics
2 answers:
harina [27]2 years ago
6 0

Answer:

15

Step-by-step explanation:

4/5 = 12/blank.

well 12/4 is 3

3 * 5 is 15.

the blank is 15

slava [35]2 years ago
6 0

Answer:

12/15

Step-by-step explanation:

4/5x3/3=12/15

since 12 is 3 times greater than 4, you must multiply both the numerator and the denominator by 3.

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3 years ago
Read 2 more answers
The sum of one and the product of fourand a letter x​
Anastasy [175]

Answer:

4x+1

Step-by-step explanation:

Ok, so it will be easier to write it out. "The sum of one and the product of four and x" written out is like this: 4x+1, because 4 is the coefficient with x. I am assuming you need the algebraic expression. Hope this helps!

4 0
3 years ago
What is the equation in standard form or the line that passes through the point ( 4,-8 ) and has a slope of 1/4?
ehidna [41]
The equation in y=mx+b form is 1/4x-9.
3 0
3 years ago
HELP ME QUICK PLEASEEEE solve for x: 2/x-2+7/x^2-4=5/x
Anna35 [415]

 

\displaystyle\\\\\frac{2}{x-2}+\frac{7}{x^2-4}=\frac{5}{x}\\\\\frac{^{x+2)}2~~~~~}{x-2}+\frac{7}{(x-2)(x+2)}=\frac{5}{x}\\\\\frac{2(x+2)}{(x-2)(x+2)}+\frac{7}{(x-2)(x+2)}=\frac{5}{x}\\\\\frac{2x+4+7}{x^2-4}=\frac{5}{x}\\\\\frac{2x+11}{x^2-4}=\frac{5}{x}\\\\5(x^2-4)=x(2x+11)\\\\5x^2-20=2x^2+11x\\\\5x^2-2x^2 -11x-20=0


\displaystyle\\3x^2-11x-20=0\\\\x_{1,2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}=\frac{11\pm\sqrt{121+4\cdot3\cdot20}}{2\cdot3}=\\\\=\frac{11\pm\sqrt{121+240}}{6}=\frac{11\pm\sqrt{361 }}{6}=\frac{11\pm19}{6}\\\\x_1=\frac{11-19}{6}=\frac{-8}{6}\\\\\boxed{\bf x_1=-\frac{4}{3}}\\\\x_2=\frac{11+19}{6}=\frac{30}{6}\\\\\boxed{\bf x_2=5}




3 0
3 years ago
(07.07)
dangina [55]

Answer:

c

Step-by-step explanation:

1.58 times the number of n bags equal to z money nedded to buy n bags of popcorn

7 0
3 years ago
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