4 years ago

The probability of spinning a 4, flipping heads, then spinning a 7 is ___.

Mathematics

1 answer:

AnnZ [28]4 years ago

3 0

Answer:

1/7 1/4

Step-by-step explanation:

......…........ ..

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SpyIntel [72]

Answer:

$\boxed{ < 4}$

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3 years ago

Your friend claims that it is possible to draw a right triangle where the cosine of either angle (theta) is exactly the same val

avanturin [10]

Answer:

B. No

$Cos \ \theta\neq Cos (90-\theta)\textdegree$

Step-by-step explanation:

-A right angle triangle has two complimentary acute angles and one right angle.

- $\theta$ is usually one of the acute angles and is equivalent to 90º minus it's complimentary acute angle.

-Complimentary angles add up to 90º.

#For complimentary angles:

$Sin \ \theta=Cos \ (90-\theta)\textdegree\\\\Cos \ \theta=Sin(90-\theta)\textdegree\\\\\therefore Cos \ \theta\neq Cos (90-\theta)\textdegree$

The two acute angles cannot have the same Cosine value.

Hence, she's not correct.

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3 years ago

Se tiene en una caja de canicas 10, 4 blancas y 6 negras

fgiga [73]

Answer:

Step-by-step explanation:

look at it

8 0

3 years ago

Write x^5 • x^7 as a single exponential expression

Aleks [24]

Answer: x^12
Explanation: When the base (x) is the same and they are being multiplied the exponents are added. This is called/because of “The Product Rule for Exponents”.

4 0

2 years ago

How do you factor the coefficient of 3/8d+3/4?

nevsk [136]

Actually you have 2 coefficients here: 3/8 and 3/4.

(3/8)d + (3/4) is the same as (3/8)d + (2)(3/8), so this can be factored into

(3/8) [ d + 2 ]

6 0

4 years ago