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harkovskaia [24]
3 years ago
14

Pls help ill give a brainliest to the correct answer!!

Mathematics
1 answer:
andrew11 [14]3 years ago
4 0

Answer:

Step-by-step explanation:

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Don't know how to solve this problem, help would be appreciated
kenny6666 [7]

Answer:

219

Step-by-step explanation:

The figure has the shape of a trapezoid. We find the area of the trapezoid and subtract the area of the rectangular door.

area of trapezoid = (base1 + base2)h/2

area of trapezoid = (20 ft + 12 ft) * 15 ft / 2

area of trapezoid = 32 ft * 15 ft /2

area of trapezoid = 240 ft^2

area of rectangle = length * width

area of rectangle = 7 ft * 3 ft

area of rectangle = 21 ft^2

area to be painted = area of trapezoid - area of rectangle

area to be painted = 240 ft^2 - 21 ft^2

area to be painted = 219 ft^2

Answer: 219 ft^2

6 0
3 years ago
Find the sine and cosine of the angle whose terminal side passes through (-7,2)
kolezko [41]

Answer:

The sine = 0.2724 and the cosine =  -0.9615  to  4 decimal places.

Step-by-step explanation:

The point (-7,2) is in the second quadrant .

The sine is positive and the cosine is negative,.

The hypotenuse of the triangle in the second quadrant =  √((-7)^2 + 2^2)

= √53   ( by Pythagoras), the opposite side = 2 and the adjacent side = -7.

So the sine  of the angle is 2 /√53 and the cosine is  -7/√53.

or 0.2724 and -0.9615  to  4 decimal places.

4 0
3 years ago
Help please :( help please :( help please :( help please :( help please :( help please :( help please :( help please :( help ple
marin [14]
The second one t=250d because 5000 divided by 20 =250
3 0
3 years ago
Read 2 more answers
Can somebody help me with this
denis-greek [22]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
Which of the following fall(s) at a z-score of 0.0 in a normal distribution? Mean Median Mode Mean, media and mode
Artist 52 [7]

Answer: Median Mode Mean

Step-by-step explanation:

A normal distribution a symmetric distribution where most of the values lies around the central peak where Mean, median mode all lies together and the value of z=0 (as z-value given the distance of data values from mean with respect to the standard deviation).

i.e.  Z-score of 0 has 50% of the area to the left and 50% area to the right.

Hence, at a z-score of 0.0 in a normal distribution Mean, Median and Mode all fall together.

7 0
3 years ago
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