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3 years ago

What is 5% of 15??????????

Mathematics

2 answers:

Daniel [21]3 years ago

7 0

Answer:

0.75

Step-by-step explanation:

fgiga [73]3 years ago

3 0

Answer:

0.75

Step-by-step explanation:

5% × 15

(5 ÷ 100) × 15

(5 × 15) ÷ 100

75 ÷ 100 =

0.75

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I need help with 4 and 5 what are the answers?

ira [324]

Answer:

4. U = 54

5. C=80

Step-by-step explanation:

Basically you move the denominator to the other side and multiply. please take note of the signs(positve, negative)

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2 years ago

Sorry I am stupid but I need help

nikklg [1K]

I believe the answer to your question is the first choice.

Since we have two sides that are 24 mm that means that the equation needs to have 2(24 mm).

And since we have 4 sides that are 18 mm, it means that the equation needs to have 4(18 mm).

so we get: P= 4(18 mm) + 2(24 mm)

Hope this helped and plz mark as brainliest!

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2 years ago

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i have a school project and really don’t pay attention in class … so i need to know What is an equation in integers that equals

Zinaida [17]

Answer:

Step-by-step explanation:

The answer is actually

Let:

S=1+2+3+4+5+6+7+8+9+n

We know the answer to the following infinite sum:

S2=1-1+1-1+1-1+1-1+1-1+1-1+1-....= - 1/2

We can therefore solve for this sum:

S3=1-2+3-4+5-6+7-8+9-....

We add them:

S3= 1-2+3-4+5-6+7-8...

S3= +1-2+3-4+5-6+7-8...

________________

2S3= 1-1+1-1+1-1+1-1+1-....

Therefore:

2S3=S2=

4 0

3 years ago

Which property is

9966 [12]

Answer:

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

A parabola has a focus of F(2, -0.5) and a directrix of y=-1.5 P(x,y) represents any point on the parabola, while D(x, -1.5) rep

prohojiy [21]

The sketch of the parabola is attached below

We have the focus $(a,b) = (2, -0.5)$
The point $P(x,y)$
The directrix, c at $y=-1.5$

The steps to find the equation of the parabola are as follows

Step 1
Find the distance between the focus and the point P using Pythagoras. We have two coordinates; $(2, -0.5)$ and $(x,y)$ .
We need the vertical and horizontal distances to find the hypotenuse (the diagram is shown in the second diagram).
The distance between the focus and point P is given by
$\sqrt{ (x-a)^{2}+ (y-b)^{2} }$

Step 2
Find the distance between the point P to the directrix $c$ . It is a vertical distance between y and c, expressed as $y-c$

Step 3
The equation of parabola is then given as
$\sqrt{ (x-a)^{2}+ (y-b)^{2} }$ = $y-c$
$(x-a)^{2}+ (y-b)^{2}= (y-c)^{2}$ ⇒ substituting a, b and c
$(x-2)^{2}+ (y--0.5)^{2} = (y--1.5)^{2}$
$(x-2)^{2}+ (y+0.5)^{2}= (y+1.5)^{2}$ ⇒Rearranging and making $y$ the subject gives

$y= \frac{ x^{2} }{2} -2x+1$

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3 years ago

What is 5% of 15?????????? ​

What is 5% of 15??????????