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Brums [2.3K]
3 years ago
15

I am sooooo dumb i swear,

Mathematics
1 answer:
Citrus2011 [14]3 years ago
5 0

Hei dere!

So this is how I learned it:

18         x

----  =  -------

60       100

Cross cancel it:

60x=1800

x=30%

Hope I helped!

~Potato.

Copyright Potato 2019.

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Circle A is shown. Secant W Y intersects tangent Z Y at point Y outside of the circle. Secant W Y intersects circle A at point X
timama [110]

Circle A is missing, so i have attached it.

Answer:

∠XYZ = 35°

Step-by-step explanation:

We want to find the angle ∠XYZ in the image attached.

To solve that, we will use the formula in the theorem for angle formed by secants or tangents. Thus;

∠XYZ = ½(arc WZ - arc XZ)

From the image, arc WZ = 175° and arc XZ = 105°

Thus;

∠XYZ = ½(175 - 105)

∠XYZ = ½(70)

∠XYZ = 35°

5 0
3 years ago
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Alexander spends $450 a month on bills. Of the $450, 3
andrew11 [14]

how much is for electricity?

8 0
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Suppose the number of gallons of gasoline per day used by a car is normally distributed with a mean of 2.2 gallons and a standar
const2013 [10]
The difference in gallons per day used is 3.6.

The formula to calculate a z-score is:
z=\frac{X-\mu}{\sigma},

where X is the value used to calculate the score, μ is the mean and σ is the standard deviation.  We have the z-scores so we must work backward:

3=\frac{X-2.2}{1.2}\text{ and }0=\frac{X-2.2}{1.2}

For both equations, we will cancel the 1.2 by multiplying both sides:
3\times1.2=(\frac{X-2.2}{1.2})\times1.2\text{ and }0\times1.2=(\frac{X-2.2}{1.2})\times1.2
\\
\\3.6=X-2.2\text{ and }0=X-2.2

Now we will cancel 2.2 from both equations by adding it to both sides:

3.6+2.2=X-2.2+2.2     and       0+2.2=X-2.2+2.2
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The difference in gas used per day would be given by
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5 0
3 years ago
Math question: <br> I'm not good at math so pls help me
oksano4ka [1.4K]

Answer:

c

Step-by-step explanation:

3 0
2 years ago
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How does the graph of this function compare with the graph of the parent function, y=1/x? It is shifted right 5 units and up 2 u
nasty-shy [4]

Answer:

It is shifted left 5 units and up 2 units from the parent function.

Step-by-step explanation:

Given

y = \frac{1}{x}

y' = \frac{1}{x+5} + 2

Required

Compare both functions

First, translate y, 5 units left.

The rule is:

(x,y) \to (x + 5,y)

So, we have:

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Next, translate y1, 2 units up.

The rule is:

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So, we have:

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Hence, the transformation is:

5 units left and 2 units up

7 0
3 years ago
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