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kondor19780726 [428]
3 years ago
11

What's the conversion factor used to convert inches to yards? A. 36 inches in 1 yard B. 3 inches in 1 yard C. 12 inches in 1 yar

d D. 24 inches in 1 yard
Mathematics
1 answer:
Reil [10]3 years ago
7 0
A. 36 inches is a yard because there are 12 inches in a foot and 3 feet in a yard, so 12 times 3 is 36.
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What is the least common denominator in 2/3 times 2/3 - 1/3
nexus9112 [7]
The lowest common denominator among these would be 3
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Sally ha estado midiendo una flor para un proyecto científico. La flor ha crecido \dfrac{1}{2} 2 1 ​ start fraction, 1, divided
Anit [1.1K]
1 is the right answer
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Which steps could be used to solve this equation?
Nesterboy [21]

Answer:

answer is option B

Step-by-step explanation:

ok the equation is 2/3 x +9 = 15

if we substract 9 from both sides it becomes, 2/3x +9-9 = 15-9.

2/3x = 6

now if we multiply both sides by the reciprocal of 2/3 ( reciprocal means flip it for example receprocal or 2/3 is 3/2)

we multiply both side by reciprocal ie,

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7 0
3 years ago
Use the quadratic formula to solve the equation -3x2-x-3=0
Novosadov [1.4K]

Answer:

x=\frac{1+\sqrt{35}i}{-6}\,\, and\,\, x=\frac{1-\sqrt{35}i}{-6}\\

Step-by-step explanation:

the quadratic formula is:

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

a= -2, b = -1 and c =-3

Putting values in the formula

x=\frac{-(-1)\pm\sqrt{(-1)^2-4(-3)(-3)}}{2(-3)}\\x=\frac{1\pm\sqrt{-35}}{-6}\\x=\frac{1+\sqrt{-35}}{-6}\,\, and\,\, x=\frac{1-\sqrt{-35}}{-6}\\We\,\, know \,\,that \,\,\sqrt{-1} = i  \\x=\frac{1+\sqrt{35}i}{-6}\,\, and\,\, x=\frac{1-\sqrt{35}i}{-6}\\

So, x=\frac{1+\sqrt{35}i}{-6}\,\, and\,\, x=\frac{1-\sqrt{35}i}{-6}\\

5 0
3 years ago
Read 2 more answers
Plz tell me answer and explain how I could get the answer.
Vinil7 [7]

Answer:   349.5 miles

<u>Step-by-step explanation:</u>

Use the formula distance (d) = rate (r) x time (t):

Since there are two different rates and times so solve each one separately and then add them together.

\large{d_1=r_1\times t_1\quad \rightarrow \quad r=75\ mph, t=150\ minutes}\\\\d_1=\dfrac{75\ miles}{1\ hour}\times \dfrac{1\ hour}{60\ minutes}\times 150\ minutes\\\\d_1=187.5\ miles\\\\\\\large{d_2=r_2\times t_2\quad \rightarrow \quad r=81\ mph, t=2\ hours}\\\\d_2=\dfrac{81\ miles}{1\ hour}\times 2\ hours\\\\d_2=162\ miles\\\\\\\large{\text{Total miles driven = }d_1+d_2}\\\\187.5\ miles +162\ miles = \boxed{349.5\ miles}

7 0
3 years ago
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