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2 years ago

3

Kerry bought a bag of dog food for $37.99 if she sales tax 7.6% how much did she pay in tax?

1 answer:

IrinaVladis [17]2 years ago

8 0

Answer:

$2.89

Step-by-step explanation:

because u find what is 7.6 percent of 37.99

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Juan put three square tiles with sides 8 centimeters, 10 centimeters, and x centimeters together so that they form a right trian

Elan Coil [88]

Since the area of a square is equal to the square of one of its side's length, then the area should be equivalent to $x^{2}$ .
$A = x^{2}$ ---> equation (1)
By using pythagoras rule which states that the $x^{2} = hyp^2 - opposite^2$ ---> equation (2)
where the opposite side's length is 8 and the hypotenuse side's length is 10
by substituting by the values in equation (2) therefore,
$x^{2} = 10^{2} - 8^{2}$ substitute this value in equation (1) then
$A = x^{2} = 10^{2} -8^{2}$
where A is the area of the square whose side is x

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2 years ago

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An athlete jumped 5.5 feet which was 1.1 times higher than the previous jumper how high did the previous athlete jump

Fantom [35]

Answer:

5 ft

Step-by-step explanation:

Let the height of the previous jump be represented by j. Then 1.1j = 5.5 ft.

Dividing both sides by 1.1, we get j = 5 ft. This was the height of the previous jump.

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2 years ago

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Consider the continuous random variable X, which has a uniform distribution over the interval from 20 to 28.

anastassius [24]

Answer:

a) The probability distribution is $f(x) = \frac{1}{8}$

b) 0.5 = 50% probability that X will take on a value between 21 and 25.

c) 0.25 = 25% probability that X will take on a value of at least 26.

Step-by-step explanation:

Uniform probability distribution:

An uniform distribution has two bounds, a and b.

The probability of finding a value of at lower than x is:

$P(X < x) = \frac{a - x}{b - a}$

The probability of finding a value between c and d is:

$P(c \leq X \leq d) = \frac{d - c}{b - a}$

The probability of finding a value above x is:

$P(X > x) = \frac{b - x}{b - a}$

Uniform distribution over the interval from 20 to 28.

This means that $a = 20, b = 28$

a. What’s the probability density function?

The probability density function of the uniform distribution is:

$f(x) = \frac{1}{b - a}$

In this question:

$f(x) = \frac{1}{28 - 20} = \frac{1}{8}$

b. What’s the probability that X will take on a value between 21 and 25?

$P(21 \leq X \leq 25) = \frac{25 - 21}{28 - 20} = \frac{4}{8} = 0.5$

0.5 = 50% probability that X will take on a value between 21 and 25.

c. What’s the probability that X will take on a value of at least 26?

$P(X > 26) = \frac{28 - 26}{28 - 20} = \frac{2}{8} = 0.25$

0.25 = 25% probability that X will take on a value of at least 26.

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2 years ago

Maryanne throws a ball off the top of a building. The table shows the height of the ball in feet, f(t), at t seconds.

grigory [225]

Answer:

quadratic

Step-by-step explanation:

i just took it on edge

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C) look at the scale factor for parts a and b. do they represent a reduction or enlargement of the empire state building? How do

ruslelena [56]

Answer:

Enlargement

Step-by-step explanation

It is enlargement, because it went up by three. Instead of reducing.

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