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4 years ago

How do I solve 3/4n+2/3=11/6

Mathematics

1 answer:

Leni [432]4 years ago

4 0

Answer:

n=14/9

Step-by-step explanation:

3/4n+2/3=11/6

3/4n=11/6-2/3

3/4n=11/6-4/6

3/4n=7/6

n=(7/6)/(3/4)

n=(7/6)(4/3)

n=28/18

simplify

n=14/9

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Right triangle ABC is located at A (−1, −2), B (−1, 1), and C (−5, 1) on a coordinate plane. What is the equation of a circle A

Zigmanuir [339]

Find the length of the line from A to C, which would be the radius using the distance formula:

Distance = √(-5 +1)^2 + 1+2)^2)

Distance = √(4^2 + 3^2)

Distance = √25

Distance = 5

The equation of a circle is written as (x-h)^2 + (y-k)^2 = r^2, where h and k is the center point X and y values and r is the radius.

The center of the circle is located at A ( -1,-2) and the radius is 5.

Replace h, k and r with those values:

(x - (-1))^2 + (y- (-2))^2 = 5^2

Simplify to get:

(x+1)^2 + (y+2)^2 = 25

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3 years ago

21π Rational Irrational

lesantik [10]

Answer: Rational

Step-by-step explanation:

21 $\pi$ is rational because it is $\pi$ times 21 which is 65.9734457254 and numbers that terminate or repeat are rational.

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3 years ago

if an area can be washed at a rate of 4,900 cm2/ minute, how many square inches can be washed per hour?

Olenka [21]

Answer : 4.5 × 10⁴ square inches can be washed per hour.

Step-by-step explanation :

As we are given that an area can be washed at a rate of 4,900 cm²/min. Now we have to determine the square inches can be washed per hour.

Given conversions are:

1 cm = 0.39 in and 1 hr = 60 min

As, 1 cm² = (0.39)² in² and 1 min = 1/60 hr

So, $1cm^2/min=(0.39)^2\times 60in^2/hr$

$1cm^2/min=9.126in^2/hr$

Now we have to determine the square inches can be washed per hour.

As, $1cm^2/min=9.126in^2/hr$

So, $4900cm^2/min=\frac{4900cm^2/min}{1cm^2/min}\times 9.126in^2/hr=44717.4in^2/hr=4.5\times 10^4in^2/hr$

Therefore, 4.5 × 10⁴ square inches can be washed per hour.

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3 years ago

I NEED THE ANSWER QUICK

gladu [14]

9514 1404 393

Answer:

4^0

Step-by-step explanation:

The rules of exponents are ...

(a^b)(a^c) = a^(b+c)

(a^b)/(a^c) = a^(b-c)

So, your expression simplifies to ...

$4^5\times4^{-7}\div4^{-2}=4^{5-7-(-2)}=\boxed{4^0}$

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3 years ago

What is the value of -92 – 10+ + + 2(145 – 7)? не d ard

Ber [7]

Answer:

-92 - 10 + 2(145 - 7) + 174

Step-by-step explanation:

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3 years ago