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Rus_ich [418]
2 years ago
11

30 points plz help I need help with question 16 plz plz plz help I need answer in 5 minutes.

Mathematics
1 answer:
kkurt [141]2 years ago
5 0

Answer:

A. The area of the park is 251015.62 m squared.

B. The sod would cost $313769.52

C. The perimeter of the border is 1927.5 m

D. The cost fo the paving stone is going to be $5300.625

E. The total cost for the sod and pacing stone combined is $31139070.14

HOPE THIS HELPS I WOULD APPRECIATE BRAINLIEST IF POSSIBLE :)

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I need the correct answer
Nikolay [14]

Answer:

1) 27/2 2) 8pi 3) 48 4) 16+2pi

Step-by-step explanation:

1) The length of the triangle is 9 (found by finding the distance between (-5,-3) and (4,-3)) and the height is 3 (found by finding the distance between (1,0) and (1,-3)). The area of a triangle is 1/2 (length times height) which in this case is 27/2.

2) The shape is a semicircle, so the area is 1/2 pi*r^2.

1/2 * pi * r^2=8pi

3) B*H=8*6=48

4) The figure is a semicircle and a square.

The area of the semicircle is 1/2 * pi * r^2=2pi

The area of the square is b*h=4*4=16

The area is 16+2pi.

5 0
2 years ago
For every 3 dogs Carol has, she keeps 12 treats. Which is the correct rate?
Tems11 [23]

Answer:

4 treats per dog.

Step-by-step explanation:

Find the rate that she keeps for one dog. As it gives you the rate for 3 dogs, simply divide 3:

(3 dogs/12 treats)/(3/3) = (1 dog/4 treats).

Carol keeps 4 treats for every dog she has.

~

3 0
2 years ago
Write an equation in slope-intercept form of the line that passes through the given points.(3,5) and (0,4) please answer with al
alukav5142 [94]

Answer:

Y = (1/3)X + 4  

Step-by-step explanation:

You need to know the equation Y = mX + b, for two sets of coordinates

Therefore we need to find the slope and the interception of the given points.

1) The slope of the line

We can use the point slope form, and clear for the slope m

y - y1 = m (x-x1)

m = (y -y1) / (x -x1)

The data given is: A (3, 5) and B (0, 4)

Then substitute in the slope: m = (5 -4)) / (3 -0) = (1/3)

m = 1/3

2) Find the interception

From the general  equation slope intercept  Y = mX + b, clear b

b = Y - mX

Now substitute any given point to obtain b the interception

b = Y - mX

Lets choose point A (3, 5), remember m = 1/3

b =5 - (1/3)(3)= 4

b = 4

3) Therefore with the values of m and b, the general equation for the slope intercept form is:

Y = mX + b   -->  

Y = (1/3)X + 4  

7 0
3 years ago
The number of players in a tennis tournament is reduced by half (50%) after every round. In round 1 there are 256 player, in rou
Aleks04 [339]

Answer:

a_{n} = a_{1} (\frac{1}{2} )^{n - 1} where a_{1} = 256.

The number of players compete in round 7 will be 4.

Step-by-step explanation:

The number of players in a tennis tournament is reduced by half (50%) after every round. In round 1 there are 256 players, in round 2 there are 128 players, and so on.

So, the number of players is multiplied by \frac{1}{2} gives the number of players in the next round.

Therefore, the explicit function of number of players in nth round is given by  

a_{n} = a_{1} (\frac{1}{2} )^{n - 1} where a_{1} = 256.

Therefore, the number of players compete in round 7 will be a_{7} = 256 \times (\frac{1}{2} )^{(7 - 1)}  = 4. (Answer)

8 0
3 years ago
The mathematics department of a college has 10 male​ professors, 12 female​ professors, 12 male teaching​ assistants, and 15 fem
lana [24]

We need the total count of persons = 10+12+12+15 = 49 persons

We need the count of the target group, female or teaching assistants

= (10+12) professors + 12 male teaching assistants

= 22+12

= 34 persons

Assuming equal probability of choosing anyone from the 30 persons, the

probability of choosing a professor or a male

= 34/49

(For probability calculations, try to keep a fraction for as long as you can, because fractions are exact. Decimal are frequently approximate, for example in this case, 34/49=0.693877551020...... = 0.694 approximately)

3 0
3 years ago
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