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lorasvet [3.4K]
4 years ago
14

1.2 out of 3 =10 out of

Mathematics
2 answers:
Step2247 [10]4 years ago
7 0

Answer:

10 out of 25.

Step-by-step explanation:

let x be the unknown number

so we get

\frac{1.2}{3}  =  \frac{10}{x}

x =  \frac{10 \times 3}{1.2}  = 25

shepuryov [24]4 years ago
5 0

Answer:

25

Step-by-step explanation:

3/1.2=2.5 so 10 x 2.5=25

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navik [9.2K]

Answer:

<h3>r =-12</h3>

Step-by-step explanation:

2 + 1/3t = 1 + 1/4t\\\\2+\frac{1}{3}t=1+\frac{1}{4}t\\\\\mathrm{Subtract\:}2\mathrm{\:from\:both\:sides}\\2+\frac{1}{3}t-2=1+\frac{1}{4}t-2\\\\Simplify\\\frac{1}{3}t=\frac{1}{4}t-1\\\\\mathrm{Subtract\:}\frac{1}{4}t\mathrm{\:from\:both\:sides}\\\frac{1}{3}t-\frac{1}{4}t=\frac{1}{4}t-1-\frac{1}{4}t\\\\Simplify\\\frac{1}{12}t=-1\\\\\mathrm{Multiply\:both\:sides\:by\:}12\\12\times\frac{1}{12}t=12\left(-1\right)\\\\\\Simplify\\r =-12

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3 years ago
Which expression is a difference of squares with a factor of 2x + 5? 4x2 + 10 4x2 – 10 4x2 + 25 4x2 – 25
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Answer:

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Step-by-step explanation:

The other factor of the difference of squares is the "conjugate" of the given one: (2x -5). Then their product is ...

  (2x +5)(2x -5) = (2x)^2 -(5)^2 = 4x^2 -25

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Step-by-step explanation:

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