3 years ago

Find the unit rate. Round to the nearest hundredth, if necessary. $150 for 14ft

Mathematics

1 answer:

PilotLPTM [1.2K]3 years ago

5 0

Answer:

10.7

Step-by-step explanation:

divide 150 by 14 to find ur unit rate and u get 10.7 which is rounded to the nearest hundredth.

Hope this helps :)

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Please help me to answer these questions!! Thank you in advance.

oksano4ka [1.4K]

1.
5u - 2u = 3u (diff. between longest and shortest)
3u = 87cm
1u = 87cm ÷ 3 = 29cm
5u + 4u + 2u=11u
11u = 11 x 29cm = 319cm

Ans: 319cm

2.
9u = 1350
1u = 1350 ÷ 9 = 150
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11u = 11 x 150 = 1650

Ans: 1650

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Write an expression that represents the quantity 5 more than a number

Natali5045456 [20]

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weqwewe [10]

Answer: $\bold{x=\dfrac{1\pm \sqrt5}{2}}$

both zeros are irrational numbers

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

Note: The question would have made more sense if if it was 2/x = x - 1 but I will answer it as written.

$\dfrac{1}{x}=x-1\qquad \text{Restriction: }x\neq 0\\\\\\\text{Cross multiply, simplify, and set equal to zero:}\\1=x(x-1)\\\\1=x^2-x\\\\0=x^2-x-1\\\\\\\text{This is not factorable so you will need to use Quadratic Formula:}\\\\x=\dfrac{-(-1)\pm \sqrt{(-1)^2-4(1)(-1)}}{2(1)}\\\\\\x=\dfrac{1\pm \sqrt5}{2}$