2 years ago

How many solutions will this equation have?5(x + 12) = 7 + 5x

1 answer:

6 0

5x+60=7+5x
0=-53, which is untrue, so there are 0 solutions

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aksik [14]

Log(10^-3) = log(0.001) = -3, and there are 3 zeros inclusive of the 0 before the decimal.

4 0

3 years ago

Goryan [66]

30% of number A means

$\dfrac{30A}{100}=\dfrac{3A}{10}$

similarly, 40% of number B means

$\dfrac{40B}{100}=\dfrac{2B}{5}$

These must be equal, so we have

$\dfrac{3A}{10}=\dfrac{2B}{5}$

Multiply both sides by 10 to get

$3A=4B \iff A=\dfrac{4B}{3}$

So, you can choose any number for A, and then you multiply it by 4/3 to get B. There are infinitely many solutions to this equation.

5 0

3 years ago

marta [7]

the answer of this question is (-2,2)

8 0

3 years ago

Elenna [48]

50% - .5
7/15 - .46

the remote control car

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2 years ago

cluponka [151]

Answer:

27.5 inches^2

Step-by-step explanation:

Area of a triangle =

$\frac{bh}{2}$

Plugging in the equation,

$\frac{11 \times 5}{2} = \frac{55}{2} \\ \frac{55}{2} = 27.5$

7 0

2 years ago

How many solutions will this equation have?5(x + 12) = 7 + 5x​