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yKpoI14uk [10]
3 years ago
11

SOMEONE PLZ HELP 20 POINTS ASAPP

Mathematics
1 answer:
Crazy boy [7]3 years ago
6 0

Answer:

1. makes two right triangles

2. not similar

3. similar, the bottom one is dilated by 3

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A merry-go-round has a radius of 18 feet. If a passenger gets on a
sdas [7]

Answer:

121 degrees

Step-by-step explanation:

The "arc length" formula is s = rФ, where Ф represents the central angle in radians (not degrees).

Here r = 18 ft and s = 38 ft, and so:

                                     38 ft

s = rФ becomes Ф = ------------ = 2.111 radians

                                     18 ft

which, in degrees, is:

2.111 rad      180 deg

------------- * --------------- = 121 degrees, to the nearest degree

      1            3.142

4 0
3 years ago
Read 2 more answers
What is 8.517 in two other forms beside demical
Kipish [7]

Answer:

8517/1000, & 851.7%

Step-by-step explanation:

Fraction & Percentage Form

4 0
3 years ago
Please help me. I have no idea to this question.<br> a) 3ax+3ay-bx-by<br> b) 10ay²-5by²+2a²y-aby
vladimir2022 [97]

Answer:

a)3a(x+y)-b(x+y)

=(3a-b)(x+y)

b)5y(2ay-by)+a(2ay-by)

=(5y+a)(2ay-by)

7 0
3 years ago
Q9 A gardener wants to build this greenhouse in the top right hand corner of her garden.
aleksley [76]

Answer:

See attachment for drawing

Step-by-step explanation:

Given

See attachment for sketch of plan

Required

Draw a scaled plan

From the question, the garden has the following dimensions.

5.5m, 5.5m, 4m and 2.5m

Using a scale of 1m : 50 cm units, the above measurements will be represented as:

5.5m \to \frac{5.5m}{50cm} \to \frac{5.5m}{0.5m} \to 11cm

4m \to \frac{4m}{50cm} \to \frac{4m}{0.5m} \to 8cm

2.5m \to \frac{2.5m}{50cm} \to \frac{2.5m}{0.5m} \to 5cm

From the question, we understand that there will be 50cm space between the greenhouse and the edge.

On the scale drawing, this will be represented as:

50cm \to \frac{50cm}{50cm} \to 1cm

From the question, the green house has the following dimensions.

2m, 2.5m

On the scale drawing, this will be represented as:

2m \to \frac{2m}{50cm} \to \frac{2m}{0.5m} \to 4m

2.5m \to \frac{2.5m}{50cm} \to \frac{2.5m}{0.5m} \to 5m

<em>See attachment 2 for scale drawing</em>

4 0
3 years ago
Gordon, June and Sushil share some sweets in the ratio 3:5:2. Gordon gets 42 sweets. How many did Sushil get?
antiseptic1488 [7]

Answer:

28

Step-by-step explanation:

42/3 = 14

2 * 14 = 28

7 0
3 years ago
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