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Mandarinka [93]
4 years ago
8

Each big square below represents one whole. What percent is represented by the shaded area?​

Mathematics
1 answer:
Lelechka [254]4 years ago
5 0

Answer:

Fraction 81/100

Decimal .81

Percent 81%

Step-by-step explanation:

There are total 10×10 = 100 squares in the picture and number of shaded squares = 100 - 19 = 81

Shaded area expressed as the fraction of the whole =

Shaded area in decimals of the whole =

Shaded area in percent of the whole =  = 81%

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multiply the following number using the distributive property the equation are 2×38 and this is the grid that is just an example
levacccp [35]

                                         30                                              8
     +------------------------------------------------------------+-------------------+
     I                                                                         I                        I
 2  I                                2 * 30                                I        2 * 8        I
     I                                                                         I                        I
     +------------------------------------------------------------+-------------------+


The entire large rectangle above is 38 units long and 2 units wide.
Its area is length times width, so the area is 2 * 38.
38 is also the same as 30 + 8, so the area can also be written as 2(30 + 8).

The left rectangle is 30 units long and 2 units wide. Its area is 2 * 30.
The right rectangle is 2 units long and 8 units wide. Its area is 2 * 8.

If you add the areas of the small rectangles, you get
2 * 30 + 2 * 8

If you add the two small areas, you get the area of the laerge rectangle, so

2(30 + 8) = 2 * 30 + 2 * 8

which is an example of the distributive property.
5 0
3 years ago
Use your own words to explain how to find the circumference of a circle with a radius of 4 inches.
weeeeeb [17]

Answer:8 π  inches

Step-by-step explanation:The formula for circumference is diameter * π

The radius of a circle is always exactly half of the circles diameter.

Therefore, the diameter will be 8 inches

Multiply the diameter, 8 by  π

to determine the circumference.

4 0
3 years ago
What is the probability of selecting two cards from a deck of cards with replacement?
motikmotik
Certin, because they can be any two cards.
7 0
3 years ago
Kira designs websites. She can create three different websites each week. Kira wants to create an equation that will give her th
BartSMP [9]

Answer:

The independent variable is the number of weeks

The dependent variable is the number of website she makes

N = 3w

Step-by-step explanation:

Number of website per week = 3

The independent variable is the number of weeks

The dependent variable is the number of website she makes

Let number of websites she can design when given any number of weeks = N

N = 3 * w

N = 3w

Where,

w = number of weeks

The equation is N = 3w

8 0
3 years ago
Please help me with this math problem!
Fofino [41]

Answer:

The family that has 3 members are 352 .

Step-by-step explanation:

The probability is the chance of the event occur.

The probability for 3 members is 0.2.

The total number of families having  3 members is probability × total population.

The total number of families having 3 members = 0.2 × 1760

                                                                               =352

6 0
2 years ago
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