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cluponka [151]
2 years ago
7

For each calculation choose the correct answer written in standard form.

Mathematics
1 answer:
tangare [24]2 years ago
8 0

Answer:

Both the answers will be B

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Anyone know the answer?
OLga [1]
3. Both are supplementary to angle BCE
4. Angle 2 = Angle 1
8 0
3 years ago
A six sided die is rolled 4 times. find the probability that a 2 or 3 is rolled at least once. round your answer to two decimal
goblinko [34]

The probability that a 2 or 3 is rolled at least once is 0.14.

<h3>Probability of not rolling a 2 or 3 in a single die roll of two dice</h3>

when a six die is rolled once there is 11/12 probability of not rolling 2 or 3.

rolling a six sided die two times, p(2 or 3)' = 11/12

rolling a six sided die four times, p(2 or 3)'  = (11/12)² = 121/144

the probability that a 2 or 3 is rolled at least once is calculated as follows;

P = 1 - p(2 or 3)'

P = 1 - 121/144

P = 20/144

P = 0.14

Thus, the probability that a 2 or 3 is rolled at least once is 0.14.

Learn more about probability here: brainly.com/question/24756209

#SPJ4

4 0
1 year ago
Find where the slope of the curve is defined:<br> x^2y-xy^2=4
Natali [406]
You do the implcit differentation, then solve for y' and check where this is defined. 
In your case: Differentiate implicitly: 2xy + x²y' - y² - x*2yy' = 0 
Solve for y': y'(x²-2xy) +2xy - y² = 0 
y' = (2xy-y²) / (x²-2xy) 
Check where defined: y' is not defined if the denominator becomes zero, i.e. 
x² - 2xy = 0 x(x - 2y) = 0 
This has formal solutions x=0 and y=x/2. Now we check whether these values are possible for the initially given definition of y: 
0^2*y - 0*y^2 =? 4 0 =? 4 
This is impossible, hence the function is not defined for 0, and we can disregard this. 
x^2*(x/2) - x(x/2)^2 =? 4 x^3/2 - x^3/4 = 4 x^3/4 = 4 x^3=16 x^3 = 16 x = cubicroot(16) 
This is a possible value for y, so we have a point where y is defined, but not y'. 
The solution to all of it is hence D - { cubicroot(16) }, where D is the domain of y (which nobody has asked for in this example :-). 
(Actually, the check whether 0 is in D is superfluous: If you write as solution D - { 0, cubicroot(16) }, this is also correct - only it so happens that 0 is not in D, so the set difference cannot take it out of there ...). 
If someone asks for that D, you have to solve the definition for y and find that domain - I don't know of any [general] way to find the domain without solving for the explicit function). 
3 0
3 years ago
1. A 15 feet tree casts a shadow that is 8 feet long. What is the distance from the tip of the tree to the tip of its
natka813 [3]

Answer:

the answer is 17 feet

Step-by-step explanation:

you have to use the pythagorean theorem.

a^{2} + b^{2} = c^{2}

for a is 15 and b is 8

15^{2} + 8^{2} = 289

289 = c\^{2}

\sqrt{289} = 17

therefore, the distance is 17 feet.

7 0
3 years ago
Which algebraic expression represents one less than the Product of a number y and 7
miss Akunina [59]

Answer: 7y-1

Step-by-step explanation:

Product of number y and 7 is 7y

One less is 7y-1

3 0
3 years ago
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