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expeople1 [14]
3 years ago
9

5xy - xt + 2xy + 3xt plz help​

Mathematics
2 answers:
ira [324]3 years ago
6 0

Answer:

x (7 y + 2 t )

Step-by-step explanation:

m_a_m_a [10]3 years ago
5 0

Answer:

Step-by-step explanation:

5xy - xt + 2xy + 3xt  = 7xy +2xt

Add or subtract like terms;

5xy and 2xy are like terms.Both has positive sign. so add.

3xt and -xt are like terms and has different signs. so subtract and put he bigger number sign.

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Mr. Peterson sold a parcel of land and decided to share half of the amount he got among his three children Jane, Peter and marth
aliya0001 [1]

Answer:

60,000

Step-by-step explanation:

Jane-2000

Peter-ratio of 5=25000

Marta-ratio of 7=35000

25000+35000

60000

5 0
3 years ago
Read 2 more answers
Find the volume of the following cylinder using its net.
lord [1]

Answer:

226.08 yd 3

Step-by-step explanation:

3 0
2 years ago
HURRY PLEASE!!!!!
tatuchka [14]

Answer:

1.32t

Step-by-step explanation:

Raise 1.08 to the 4th power. (1.08 ^1/4)^4t=1.36t

6 0
3 years ago
What is the inverse of the function f(x) = 2x + 1?
Alexandra [31]

Answer:

f^{-1}(x) = \frac{x-1}{2}

Step-by-step explanation:

let y = f(x) and rearrange making x the subject, that is

y = 2x + 1 ( subtract 1 from both sides )

y - 1 = 2 ( divide both sides by 2 )

\frac{y-1}{2} = x

Change y back into terms of x and let x = f^{-1} (x), thus

f^{-1}(x ) = \frac{x-1}{2}

6 0
3 years ago
A shipment of 50 precision parts including 4 that are defective is sent to an assembly plant. The quality control division selec
natali 33 [55]

Answer:

0.3968 = 39.68% probability this shipment passes inspection.

Step-by-step explanation:

The parts are chosen without replacement, which means that the hypergeometric distribution is used to solve this question.

Hypergeometric distribution:

The probability of x successes is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

50 parts means that N = 50

4 defective means that k = 4

10 are chosen, which means that n = 10

What is the probability this shipment passes inspection?

Probability that none is defective, so:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

P(X = 0) = h(0,50,10,4) = \frac{C_{4,0}*C_{46,10}}{C_{50,10}} = 0.3968

0.3968 = 39.68% probability this shipment passes inspection.

6 0
2 years ago
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