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3 years ago

If x = y then 3x = 3y gemotry prove

1 answer:

6 0

Multiplying both sides of an equation by the same number keeps the equation true. In this example, both sides are multiplied by 3, so the equation isn't changed.

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An introductory psychology class has 9 freshman males, 15 freshman females, 8 sophomore males, and 12 sophomore females. A rando

hjlf

Answer:

The probability is $\frac{16}{43}$

Step-by-step explanation:

The psychology class has 9 freshman male, 15 freshman females, 8 sophomore male and 12 sophomore female.

Total population constitution of the class=

17 males and 27 females and 44 students in total.

If on selecting on the first attempt, a male has been picked up then the number of males for the picking up in the second attempt has to decrease by one.

Also, the total number of students from which it has to be selected also decreases by 1, because one child has already been selected.

Therefore for Second Attempt, Total 43 students and 16 males.

Probability= $\frac{No.OfFavorableOutcomes}{TotalNo.OfOutcomes}$

Probability= $\frac{16}{43}$

8 0

3 years ago

F(y)=2y^3-y^2+2y-1/y^3-y^2+y-1 and g(y)=2y^2-3y+1/4y^2-4y+1

ICE Princess25 [194]

Answer:

16y +14x

Step-by-step explanation:

2y+4y+=6y

5x+12x=17x

17x-4

4 0

3 years ago

Show if the following expressions are equivalent

kvasek [131]

Anwser is B i took the test

8 0

3 years ago

A geography teacher shares 18 maps equally between 8 students. The number of maps that each student gets lies between what two w

Serga [27]

I believe it is 2 and 3.

8 0

3 years ago

Find the simple interest for a $8,000 loan for 2 years at a rate of 4% (formula: l=prt)

Natali [406]

Answer:

S.I= 640

Step-by-step explanation:

I=prt

where p= $8,000

and r= 4%

and t= 2 years

$8,000×4%×2

8,000×4/100×2

80×4×2

=640

Therefore The S.I = 640.

6 0

3 years ago