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Ghella [55]
3 years ago
8

WILL GIVE BRAINLIEST IF YOUR RIGHT!!!!

Mathematics
2 answers:
emmainna [20.7K]3 years ago
8 0

Answer: R+I, I+I, R×I will always be irrational.

Step-by-step explanation: Surprisingly, I×I could be rational. For example √3 ×√3 = 3

R×R and R+R should obviously be rational.

Crazy boy [7]3 years ago
5 0

Answer:

I.I

R.R

Step-by-step explanation:

R.R would be R.RRRR......

and I.I would be I.IIII...

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Molly is thinking of a number. twice her number take away seven is the same as her number plus five. what is her number?
777dan777 [17]

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Number = 12

Step-by-step explanation:

2n-7=n+5 (+7 to both sides)

2n=n+12 (-n to both sides)

n=12

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The ratio of boys to girls in Coach Sheppard's class is 3 to 5. There are 20 girls
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Step-by-step explanation:

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Select the graph of y= sin x.
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What is 4(5+3) pls what is it
frutty [35]

Answer:

is 32

hope that helps!

8 0
3 years ago
Yeah I’m not good at this
levacccp [35]

For the given triangle, x = 5.1 cm and y = 6.1 cm.

Step-by-step explanation:  

Step 1:  

In the given triangle, the angle is 50°. It is given that the opposite side has a length of y cm and the adjacent side has a length of y cm.   The hypotenuse of the triangle measures 8 cm.

To determine the length of the opposite side of the triangle, we use the sin of the given angle.  

To determine the length of the adjacent side of the triangle, we use the cos of the given angle.  

sin \theta = \frac{oppositeside}{hypotenuse} , cos \theta = \frac{adjacentside}{hypotenuse}.

Step 2:  

In the given triangle,  

The length of the opposite side = y cm,  

The length of the adjacent side = x cm,  

The length of the hypotenuse = 8 cm,  

The angle of the triangle = 50°.

sin \theta = \frac{oppositeside}{hypotenuse} , sin 50 = \frac{y}{8}.

y = 0.7660 (8) = 6.128.

cos \theta = \frac{adjacentside}{hypotenuse} , cos 50 = \frac{x}{8}.

x = 0.6427 (8) = 5.1416.

So x = 5.1416 cm and y = 6.128 cm. Rounding these off to one decimal place, we get x = 5.1 cm and y = 6.1 cm.

8 0
4 years ago
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