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Stells [14]
2 years ago
15

Ayudame bro es para hoy lo mas rapido y te doy corona}

Mathematics
1 answer:
kykrilka [37]2 years ago
8 0

Answer:

a. -1

b. -\frac{2}{5} = -0.4

c. \frac{5}{24}

d. - \frac{47}{40} = - 1.175

e. \frac{71}{60}

f. -\frac{28}{15}

g. \frac{26}{33}

h. \frac{3}{4} = 0.75

i. -\frac{15}{4} = -3.75

j. 2

k. -\frac{5}{4} = -1.25

l. -\frac{1}{6}

Espero que ayude. =)

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Chelsey puts twelve colored pieces of chocolate candy in a bag. Three pieces are green,
nydimaria [60]

Answer:

A) 3/110  

B) 3/110  

C) 3/110  

D) The order doesn’t matter as long as you are drawing out the same three colors.  The probability doesn’t change.

Step-by-step explanation:  

A) 3/12x3/11x4/10=36/1320= 9/330 = 3/110  

B) 3/12x4/11x3/10=36/1320= 9/330 = 3/110  

C) 4/12x3/11x3/10=36/1320 = 9/330 = 3/110  

D) The order doesn’t matter as long as you are drawing out the same three colors.  The probability doesn’t change.

I hope this helps! Have a good day (PLZ GIVE BRAINLIEST)

8 0
3 years ago
Prove Forall x elementof Z, x^2 - 5x - 1 is odd.
Diano4ka-milaya [45]

Answer with Step-by-step explanation:

Let Z be a set of integers

We have to prove that x^2-5x-1 is odd for all value of x \inZ.

There are two cases

1.When x is an odd integer number

2.when x is even integer number

1.When x is an odd integer  number

When x is positive odd integer

Then x^2  is positive odd number (because square of odd positive number is always positive an odd number )

5x is also odd number

-5x -1 = -even number

Suppose x=3

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Odd number - even number=Odd number

Hence ,x^2-5x-1 is an odd number .

When x is negative odd number

Then  x square is positive odd number  and 5x is negative odd term term

Therefore,odd number + odd number -1=Even  number -1=Odd number

Hence x^2-5x-1 is an odd number.

2.When  x is an even number

When x is positive even number

x square is positive even number  and 5x is positive even number

Even number -Even number -1 =Even number -odd number =Odd number

Suppose x=4

x^2-5x-1=16-20-1=-5=Odd number

When x is negative even number

Then x square is positive even number  and 5x is negative even number

x^2-5x-1=Even number +Even number -1=Even number -1=Odd number

Hence, for all elements of Zx^2-5x-1is odd.

7 0
3 years ago
I need to Match each equation that represents each situation.
almond37 [142]

Step-by-step explanation:

this is quite easy, when you use just common sense and identify the right numbers and variable names.

they is nothing special needed, you don't even need to create the equations yourself.

$4.99 per pound. buys b pounds and pays $14.95.

14.95 = 4.99 × b

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this is exactly the same as before, just that this time the total amount is not given as a constant but as a variable.

c = 4.99 × b

d dollars per pound. buys b pounds and pays t.

the same as the 2 cases before, just now everything is a variable. no more constants, but otherwise the completely same structure and method.

t = d × b

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here your teacher made a mistake.

sure, the only remaining answer is

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m = v + y or v = m - y

7 0
2 years ago
Jacob wants to use an elevator to carry identical packages having the same weight. Each package weighs 3 pounds and Jacob weighs
omeli [17]
(300-99) /3 - the remainder =n
6 0
3 years ago
Read 2 more answers
1/2 of the people who live in the neighborhood vollunteer at the comunity garden. 1/4 of the vollunteers are teenagers. What fra
ki77a [65]

Answer:

3/4

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It therefore means that 3/4 of the volunteers are teenagers.

3 0
3 years ago
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