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Zinaida [17]
3 years ago
12

.

Mathematics
1 answer:
brilliants [131]3 years ago
7 0
\sf Hello!

\sf Let\: the \:required % \sf be\: x

\sf Then,

\sf x % × \sf 50 = \sf 9

⇒ \dfrac{\sf x}{\sf 100} × \sf 50 = \sf 9

⇒ \dfrac{\sf x}{\sf 2} = \sf 9

⇒ \sf X = \sf 9 × 2

⇒ \boxed{\sf x = 18}

\sf Therefore,
\sf D.\: 18 % \sf of \:50\: is \:9

~ \sf iCarl
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A square has points at (2, 2) and (5, 2). What is the perimeter of the square?
DENIUS [597]

Answer:

These two points are 3 Units away from each other. 5 - 2 = 3

This accounts for one side of the square, to find the entire perimeter multiply 3 × 4 = 12

The perimeter of the square is 12 units

4 0
3 years ago
Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does 0 rep
mote1985 [20]
This would be something like [5] or -[-5] which is absolute value (>.<)
8 0
3 years ago
What times what gives me -48 but adds to be -32?
oee [108]

Answer:

a couple of irrational numbers: -16±4√19, approximately {1.436, -33.436}

Step-by-step explanation:

Your question can be cast as the quadratic equation

  x² +32x -48 = 0

The solutions can be found using the quadratic formula:

  x = (-32 ±√(32² -4(1)(-48)))/(2(1)) = -16±√304 = -16±4√19

_____

<em>Comment on the equation we used</em>

We notice that when p and q are roots, the equation can be written ...

  (x -p)(x -q) = 0 = x² -(p+q)x +pq

You want p+q = -32, pq = -48, so the equation is ...

  x² -(-32)x +(-48) = 0

  x² +32x -48 = 0 . . . . . . with parentheses eliminated

5 0
3 years ago
8-6: MathXL for School: Practice &amp; Problem Solving
notka56 [123]

Answer:

The Area of a circle is

\pi {r}^{2}

Therefore the Area of Circle A is

\pi {8}^{2}  \\ 201.06

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3 0
2 years ago
A-4/5 = 12 what is a and show the work
topjm [15]

Solving a-\frac{4}{5}=12 we get a=\frac{64}{5}

Step-by-step explanation:

We need to find the value of a. We are given:

a-\frac{4}{5}=12

Solving:

a-\frac{4}{5}=12\\Add\,\,\frac{4}{5}\,\,on\,\,both\,\,sides:\\a-\frac{4}{5}+\frac{4}{5}=12+\frac{4}{5}\\a=12+\frac{4}{5}\\Taking\,\,LCM:\\a=\frac{12*5+4}{5}\\a=\frac{60+4}{5}\\a=\frac{64}{5}

So, Solving a-\frac{4}{5}=12 we get a=\frac{64}{5}

Keywords: Solving Expressions

Learn more about Solving Expressions  at:

  • brainly.com/question/11207748  
  • brainly.com/question/5147732
  • brainly.com/question/4046256

#learnwithBrainly

4 0
3 years ago
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