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posledela
3 years ago
10

I need help with this ONE question! (-1)(-fg)(-xy)

Mathematics
1 answer:
vlabodo [156]3 years ago
5 0

Answer:

fgxy

Step-by-step explanation:

(-1)(-fg)(-xy)

(1fg)(-xy)

-1fgxy

fgxy

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A rectangle has a length that is 2 greater then its width. The area is 15 square centimeters. what are the dimensions of the rec
GaryK [48]

9514 1404 393

Answer:

  • length 5 cm
  • width 3 cm

Step-by-step explanation:

Your knowledge of multiplication facts tells you 3×5 = 15. Your knowledge of addition facts tells you 3+2 = 5. So, the dimensions 3 cm and 5 cm are the width and length of the rectangle, respectively.

3 0
3 years ago
You deposit $300 in an account. The account earns $54 simple interest in 4 years. What is the annual interest rate?
Anna35 [415]

Answer:

The annual simple interest is 4.5%

Step-by-step explanation:

54/4= 13.5

13.5/300= 0.045

6 0
3 years ago
A recent survey determined the IQ score of a random selection of residents of Alaska. The accompanying relative frequency distri
ycow [4]

Answer:

The class width is 20

Step-by-step explanation:

In a frequency or a relative frequency distribution the class width is calculated as the difference between the lower or upper class limits of consecutive classes. A point to note is that all the categories or classes usually have the same class width.

We use the first two classes to calculate the class width by using their respective upper limits;

Class width = 89 - 69

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4 0
3 years ago
A rectangle with an area of 4/7 meters squared is dilated by a factor of 7. What is the area of the dilated rectangle?
nikklg [1K]

Answer:

49

Step-by-step explanation:

Every time you multiply both sides of a rectangle by a number x, its area if multiplied by x^{2}.

In our example:

Area of a rectangle = width . length

width = 4

length   = 7

A_{1} = 4 . 7 = 28

When you multiply both sides by 7:

width = 4 . 7 = 28

length = 7 . 7 = 49

A_{2}  = 28 . 49

A_{2}  = 1372

A_{2}  / A_{1} = 1372 / 28 = 49 = (7)^{2}

Both sides multiplied by 7 => Area multiplied by 7^{2}

Got it?

;-)

7 0
3 years ago
PLEASE HELP !!!
ValentinkaMS [17]

Step-by-step explanation:

This is a common knowledge of equivalent fractions.

Multiplying both the numerator and denominator of a fraction by the same quantity does not change the value of the fraction.

Not only multiplication, but division also works. What ever operation performed on the numerator must also be performed on the denominator.

1/2 = 2/4 = 4/8 = 16/32

7 0
4 years ago
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