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Nuetrik [128]
4 years ago
8

What is the value of x-y if x= -1/5 and y=7/15

Mathematics
1 answer:
Vitek1552 [10]4 years ago
6 0
The answer to this problem is -0.66666
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I don’t have a question but both of the answers are wrong i just did it right now and i got it wrong but it said the answer is 6
zlopas [31]
Answer: x = 6
(WORK SHOWN BELOW)

4 0
2 years ago
On a blueprint, the scale indicates that 8 cm represent 16 feet. What is the length of a room that is 8.8 cm long and 3 cm wide
lana [24]
For the answer to the question above asking wWhat is the length of a room that is 8.8 cm long and 3 cm wide on the blueprint if <span>a blueprint, the scale indicates that 8 cm represent 16 feet?
</span>The room is 22.4 feet long

8cm=16ft
9.8cm=?ft

  8cm       9.8cm
______=______
  16ft          x ft

Cross multiply
8x=156.8
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4 0
4 years ago
Solve the equation log^7b&gt;2
ahrayia [7]

Answer:

b > 12.71

Step-by-step explanation:

Here in this question we have to solve the inequality equation given for b (An unknown variable}

Now, the equation is (\log b)^{7} > 2

⇒ \log b > 2^{\frac{1}{7} }

We are taking the base of the log here is 10.

So, 10^{(\log b)} > 10^{2^{\frac{1}{7} } } {Since 10^{\log x} =x and e^{\ln x} = x}

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3 0
3 years ago
What is the inverse of x^2-4x+5
lisabon 2012 [21]

we are given

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

Since, we have to find inverse of this function

step-1: we set f(x)=y

y=x^2-4x+5

step-2: switch x and y

x=y^2-4y+5

step-3: Solve for y

y^2-4y+(5-x)=0

now, we can use quadratic formula

y=\frac{4+\sqrt{4^2-4(5-x)} }{2}

f^{-1}(x)=\sqrt{x-1}+2

or

f^{-1}(x)=-\sqrt{x-1}+2..............Answer

6 0
3 years ago
What is the equation of a circle with center (-2, 3) and radius 4?
Bad White [126]
Hello,

(x+2)²+(y-3)²=16
5 0
3 years ago
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