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Nezavi [6.7K]
3 years ago
6

Amelia bought 9/12 pound of sliced salami at the deli counter. Which of the following decimals did the scale show,

Mathematics
2 answers:
Agata [3.3K]3 years ago
8 0
.75 pounds
Because you take 9/12's and reduce to 3/4's and make that a decimal.75
grandymaker [24]3 years ago
4 0
D.0.75 pounds
because when u divide 9 by 12 0.75 is the answer
u basically have to find 9/12 as a decimal
but they put it in a different form of words to trick you
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1. What are the formulas for the two main types of energy?
AfilCa [17]

Answers:

Kinetic Energy Formula: KE = \frac{1}{2} mv^2

Potential Energy Formula: PE=mgh

Explanations:

For KE:

Kinetic energy is directly proportional to the mass of the object and to the square of its velocity. If the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

For PE:

In the above equation, m represents the mass of the object, h represents the height of the object and g represents the gravitational field strength (9.8 N/kg on Earth) - sometimes referred to as the acceleration of gravity.

7 0
2 years ago
Please solve these coin problems:
ratelena [41]
1)
Solving from system of equations:
x- amount of 1 cent stamps
y- amount of 33 cent stamps
\left \{ {{1*x+33*y=18,40} \atop {x+y=80}} \right.\\x=80-y\\0,01*(80-y)+0,33y=18,40\\0,8-0,01y+0,33y=18,40\\0,32y=18,40-0,8\\0,32y=17,60 /:0,32\\y=55\\x=80-55=25
2)
x- amount of 20 cent stamops
y-amount of 34 cent stamps
From system of equations:
\left \{ {{0,2x+0,34y=19,90} \atop {x+y=75}} \right.\\x=75-y\\0,2(75-y)+0,34y=19,90\\ 15-0,2y+0
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6 0
3 years ago
For which value(s) of x will the rational expression below equal zero? Check all that apply.
Ivahew [28]

Answer: D.-6 and F.3

Step-by-step explanation:

The given rational number : \dfrac{(x-3)(x+6)}{(x+7)}

To find : The value of x  , where the  rational expression becomes equal zero.

Let's check all the options :

A. 7

At x= 7  , \dfrac{(7-3)(7+6)}{(7+7)}=\dfrac{26}{7}\neq0

B. -7

At x= 7 ,  \dfrac{(-7-3)(-7+6)}{(-7+7)}=\dfrac{10}{0}=\infty\neq0

C. 6

At x= 6 ,  \dfrac{(6-3)(6+6)}{(6+7)}=\dfrac{36}{13}\neq0

D. -6

At x= -6 , \dfrac{(-6-3)(-6+6)}{(-6+7)}=\dfrac{0}{1}=0

E. -3

At x= -3 ,   \dfrac{(-3-3)(-3+6)}{(-3+7)}=\dfrac{-9}{2}\neq0

F. 3

At x= 3 , \dfrac{(3-3)(3+6)}{(3+7)}=0

Thus, at x= -6 and 3 , the rational expression equals to zero .

So , the correct options are : D.-6 and F.3

8 0
3 years ago
Read 2 more answers
Can someone help me please like fast ?
earnstyle [38]
D for the 1st
B. For the 2nd
-4,3. For the 3rd
C. The 4th
<. The 5th
>. And the 6th
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3 years ago
Find the image of A (6, -4) after it is reflected over the line y = - 2, then reflected over the line x = 1.
Dmitriy789 [7]
I think that it would be (-4,-4) when you cross the y axis
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