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3 years ago

The area of a triangle below is 2/5 the base is 6/5 feet what is the length

Mathematics

1 answer:

ddd [48]3 years ago

7 0

Answer:

Step-by-step explanation:

The formula for area of a triangle is 1/2*b*h sq.units

1/2*6/5*h=2/5

3/5*h=2/5

h=2/5*5/3=2/3 feet

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Can I get help with this please

S_A_V [24]

Answer:

Step-by-step explanation:

you want to multiply y by 2 or divide by 1/2

? = 1/2 in this problem

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3 years ago

Which of the following best describes the expression 3x + 2y + 8z?

Gwar [14]

The expression above is composed of 3 terms which are: 3x, 2y, and 8z. All of the terms are the product of two items. The first term is a product of 3 and x. The second is a product of 2 and y. Lastly, the third is a product of 8 and z.

Thus, the expression is a sum of three products and there are only three terms. This answer is the second among the four choices.

hope this helps : )

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3 years ago

What is the value of r in the equation 4r − 8 = 5r + 12? −20 −1 1 20

inn [45]

Answer

r = -20

Step-by-step explanation

4r-8=5r+12

subtract 4r from both sides of the equation

-8=r+12

subtract 12 from both sides of the equation

-20 = r

5 0

3 years ago

Read 2 more answers

Nina can ride her bike 63,360 feet in 3,400 seconds, and Sophia can ride her bike 10 miles in 1 hour. What is Nina's

Lostsunrise [7]

Answer:

nina rate per mile is 4.7222225.

nina rides her bike for 12 miles

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Step-by-step explanation:

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2 years ago

Read 2 more answers

nventing is a difficult way to make money. Only 5% of new patents earn a substantial profit. A certain city has just had30 indep

Arlecino [84]

Answer:

$P(X \geq 2) = 1-P(X$

And we can find the individual probabilities using the probability mass function and we got:

$P(X=0) = (30C0) (0.05)^0 (1-0.05)^{30-0} =0.2146$

$P(X=1) = (30C1) (0.05)^1 (1-0.05)^{30-1} = 0.3389$

And replacing we got:

$P(X \geq 2) = 1-P(X$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=30, p=0.05)$

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

Solution to the problem

For this case we want this probability:

$P(X \geq 2)$

And we can use the complement rule and we got:

$P(X \geq 2) = 1-P(X$

And we can find the individual probabilities using the probability mass function and we got:

$P(X=0) = (30C0) (0.05)^0 (1-0.05)^{30-0} =0.2146$

$P(X=1) = (30C1) (0.05)^1 (1-0.05)^{30-1} = 0.3389$

And replacing we got:

$P(X \geq 2) = 1-P(X$

3 0

2 years ago