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3 years ago

Solve for30 + 943a =

Mathematics

1 answer:

Bingel [31]3 years ago

4 0

Answer:

a=39

Step-by-step explanation:

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What is the exact circumference of a circle with a radius of 15 cm?

Anni [7]

Answer:

Step-by-step explanation:

None of the choices is correct.

Circumference= 2πr = 30π cm

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3 years ago

Match the set of two interior angle measurements with the third interior angle measurement that can make a triangle.

ioda

Answer:

$40^\circ,50^\circ$ and 90^\circ$

$42^\circ,66^\circ$ and 72^\circ$

$60^\circ,60^\circ$ and 60^\circ$

Step-by-step explanation:

The sum of angles in a triangle is 180 degrees

(a)Given the angles 40° and 50°

The third angle is, therefore: $180^\circ-(40^\circ+50^\circ)=90^\circ$

We, therefore, have the set: $40^\circ,50^\circ$ and 90^\circ$

(b)Given the angles 42° and 66°

The third angle is, therefore: $180^\circ-(42^\circ+66^\circ)=72^\circ$

We, therefore, have the set: $42^\circ,66^\circ$ and 72^\circ$

(c)Given the angles 60° and 60°

The third angle is, therefore: $180^\circ-(60^\circ+60^\circ)=60^\circ$

We, therefore, have the set: $60^\circ,60^\circ$ and 60^\circ$

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3 years ago

HELP I NEED HELP ASAP

PtichkaEL [24]

Answer:

The answer is B

Step-by-step explanation:

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3 years ago

What numbers is 15 divisible by

beks73 [17]

There are 3 numbers 15 can be divisible by and they are 1,3,5,

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3 years ago

Read 2 more answers

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to fi

Angelina_Jolie [31]

Answer:

P(33) = 0.0826

Step-by-step explanation:

The binomial distribution in this case has parameters n=55 and p=0.55.

The probability that k successes happen with these parameters can be calculated as:

$P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}\\\\\\P(x=k) = \dbinom{55}{k} 0.55^{k} 0.45^{55-k}\\\\\\$

We have to calculate the probability fo X=33 succesess.

This can be calculated using the formula above as:

$P(x=33) = \dbinom{55}{33} p^{33}(1-p)^{22}\\\\\\P(x=33) =1300853625660220*0.0000000027*0.0000000235\\\\\\P(x=33) =0.0826\\\\\\$

7 0

4 years ago

Solve for30 + 943a =​

Solve for30 + 943a =