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Llana [10]
3 years ago
15

Find the area of the entire figure below.

Mathematics
1 answer:
MArishka [77]3 years ago
4 0

We can divide this figure into triangle and trapezoid.

Area of a trapezoid = (1/2)*(base1 +base2)*height = (1/2)(11.75+18)*6.12 = 91.035

Area of a triangle = (1/2)*base*height=(1/2)*12*13.42 = 80.52

Area of the whole figure = 91.035 + 80.52 = 171.555

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Help me with this please
meriva

Answer:

1) E

2) D

3) G

4) I

Step-by-step explanation:

1)

P = 2(l + w)

P = 2(3a + 3 + 8a - 12)

P = 2(11a - 9)

P = 22a - 18

2)

P = 22a - 18

P = 22(3) - 18

P = 66 - 18

P = 48

3)

P = a + b + c

P = 3b + 7 + 7b - 2 + 7b - 2

P = 17b + 3

4)

P = 17b + 3

P = 17(6) + 3

P = 102 + 3

P = 105

6 0
3 years ago
The cost of riding in a cab is $3.00 plus $0.75 per mile. The equation that represents this relation is y = 0.75x +3, where x is
Gemiola [76]

Answer:

Yes, the relation is a function.

Step-by-step explanation:

Given:

The equation that represents the cost of riding a cab is given as:

y=0.75x+3

Where, 'x' is the number of miles traveled and 'y' is the the total cost of the trip.

The above equation represents a line as it is of the form y=mx+b which represents a line with constant slope.

Now, in order to plot this equation, we need at least two points.

Now, let x =0, then

y=0.75(0)+3=3. So, (0, 3) is a point on the line.

Let x =1, then

y=0.75(1)+3=3.75. So, (1, 3.75) is a point on the line.

Plot these two points on a graph and draw a line passing through these two points.

Now, for a relation to be a function, it should pass the vertical line test.

According to vertical line test, vertical lines passing through the graph must cut the graph at only 1 point for the graph to represent a function.

Here, we observe that vertical lines passing through the line will intersect the line only at one point. So, it represent a function.

8 0
3 years ago
Graph a line that is perpendicular to y=7/8x+3
FromTheMoon [43]
One such line is y = -8/7x + 3 (The perpendicular slope will be the negative reciprocal of the given slope. You can graph it to make sure.)

Hope this helps!
Brainliest Please!
4 0
3 years ago
-2^2-3(-2)+1 evaluate the polynoimal
Phoenix [80]

We must follow order of operations rules (PEMDAS) here: exponentiation first, followed by multiplication and division, followed by addition and subtraction.

Thus, -2^2-3(-2)+1 becomes:

-[4] + 6 + 1 = 2 + 1 = 3 (answer)

4 0
3 years ago
Read 2 more answers
On a journey of 120 km, a motorist averages
fenix001 [56]

Answer:

More

Step-by-step explanation:

Because the journey is 120km long, and the mortoristgoes less than 60km per hour.  So in 2 hours, the motorist will go less than 120 km.  So he needs more than 2 hours to go 120 km

8 0
3 years ago
Read 2 more answers
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