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Ahat [919]
3 years ago
10

Part A: Half of each domino is one square unit. Find the area, in square units, of

Mathematics
1 answer:
Daniel [21]3 years ago
4 0

Answer:

Region covered by the dominoes is 90 unit²

Step-by-step explanation:

Here we have;

Area half of each domino = 1 unit²

Therefore, area of each domino = 2 unit²

Region where dominoes can be found = 8 × 6 dominoes

Region where dominoes can be found =  48 dominoes area unit²

Number of dominoes omitted = 3 dominoes

Therefore, total number of dominoes in region = 48 - 3 = 45 dominoes

Region covered by the dominoes = 45 × 2 unit² = 90 unit².

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Answer:

6x - 2

Step-by-step explanation:

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f(2x) = 6x - 2

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2 years ago
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Out of 20 attempts, a basketball player scored 8 times. What percent
cricket20 [7]

Answer:

The answer is 40%

Step-by-step explanation:

Turn it into a fraction 8/20 then you can lower it to 2/5 because four goes into eight twice and into twenty five times. Once you have done that it is easy to figure out that 2/5 is 40%

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The rise and span for a roof are shown. The pitch of a roof is the ratio of the rise to the half span. If the rise is 8 feet and
MArishka [77]

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  8/15

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What is the surface area of the rectangular prism below? 8 19 8​
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Write the equation of a line in point Slope form that passes through the points (-8,-3) and (2,2)
ella [17]

Answer:

The midpoint of the points (2,8) and (0,4) is given by:

(

2

x

1

+x

2

,

2

y

1

+y

2

)=(

2

2+0

,

2

8+4

)=(

2

2

,

2

12

)=(1,6)

We must must transform the standard form equation −3x+6y=5 into a slope-intercept form equation (y=mx+b) to find its slope.

−3x+6y=5 (Subtract 3x on both sides.)

6y=3x+5 (Divide both sides by 6.)

y=

6

3

x+

6

5

y=

2

1

x+

6

5

The slope of our first line is equal to

2

1

. Perpendicular lines have negative reciprocal slopes, so if the slope of one is x, the slope of the other is

x

1

.

The negative reciprocal of

2

1

is equal to −2, therefore, −2 is the slope of our line.

Since the equation of line passing through the midpoint (1,6), therefore, substitute the given point in the equation y=−2x+b:

6=(−2×1)+b

6=−2+b

b=6+2=8

Substitute this value for b in the equation y=−2x+b:

y=−2x+8

Hence, the equation of the line is y=−2x+8.

Step-by-step explanation:

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3 years ago
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