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2 years ago

Select all the equations that have the same solution as the equation 3x-12=24

Mathematics

2 answers:

inn [45]2 years ago

7 0

Answer:

Select all the equations that have the same solution as the equation 3x-12=24

Step-by-step explanation:

Guest1 year ago

0 0

15x-60=120

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Andrew earns $45,300 in taxable income annually, and pays federal income taxes of $5,345.40. What is Andrew's net federal income

jeka94

5345.40 is what percent of 45300
5345.40=45300x
0.118=x --divide both sides by 45300

andrews net federal income tax rate is C) 11.8%

3 0

2 years ago

Read 2 more answers

A hole is drilled in a sheet-metal component, and then a shaft is inserted through the hole. The shaft clearance is equal to dif

VashaNatasha [74]

Answer:

(A)

$P(X \geq 0.8) = \int\limits_{0.8}^{\infty} f(x) \, dx = \int\limits_{0.8}^{1} 1.25(1-x^4) \, dx = 0.08192$

(B)

Then the cumulative function would be

$CF(x) = 1.25x - 0.25x^5$ if 0<x<1

0 otherwise.

Step-by-step explanation:

(A)

We are looking for the probability that the random variable X is greater than 0.8.

$P(X \geq 0.8) = \int\limits_{0.8}^{\infty} f(x) \, dx = \int\limits_{0.8}^{1} 1.25(1-x^4) \, dx = 0.08192$

(B)

For any $x$ you are looking for the probability $P(X \geq x)$ which is

$P(X \geq x) = \int\limits_{-\infty}^{x} 1.25(1-t^4) dt = \int\limits_{0}^{x} 1.25(1-t^4) dt = 1.25x - 0.25x^2$

Then the cumulative function would be

$CF(x) = 1.25x - 0.25x^5$ if 0<x<1

0 otherwise.

5 0

2 years ago

Fiona has a play yard for her dog. She mows the yard in 8 equal rows. Each row has 41.75 square feet.

Georgia [21]

Answer: the answer that actually makes since is multiply 8 times 41.75 that also equals out to 334 which would be accurate

Step-by-step explanation:

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2 years ago

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The image shows a ray of light bending at the boundary of a glass block. According to a law of optics, = n, where n is a constan

UkoKoshka [18]

The formula for the light bend would be n1*sin i= n2 * sin r

If you use "sin (90-x)= cos x" principle, you can change the sin in the equation into
n1*sin i= n2 * sin r
n1 * cos a= n2 * cos b
n2/n1= cos a/ cos b

Assuming the n constant is the ratio of the glass compared to water then the answer would be: cos a/ cos b

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2 years ago

Select all of the answers below that are equivalent to T = {Tinkey-Winky, Laa-Laa,

stepan [7]

Answer:

{thermometer, fridge, rusty nail, deoderant}
{credit card, face wash, tweezers, shovel}
{clothes, glass, car, greeting card}

Step-by-step explanation:

The options that will be equivalent to T will have to be the options that have the same Cardinality as T. Cardinality refers to the number of elements in a set and in the set T, there are 4 elements being Tinkey-Winky, Laa-Laa, Dipsy, Po so the Cardinality is 4.

The equivalent sets would therefore be sets with a cardinality of 4 as well and those are;

{thermometer, fridge, rusty nail, deoderant}
{credit card, face wash, tweezers, shovel}
{clothes, glass, car, greeting card}

3 0

2 years ago