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Alex Ar [27]
3 years ago
5

Instructions: Problem 3 ! Find the missing angle in the image below. Do not include spaces in your answers

Mathematics
1 answer:
Arisa [49]3 years ago
6 0

Answer:

155

Step-by-step explanation:

first add 72 and 83 = 155. Then use 180-155=25. then subtract 25 from 180.

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An equilateral pentagon is a five-sided figure with equal side lengths. The
Ratling [72]

Answer: quit

Step-by-step explanation:

5 0
3 years ago
Fifteen more than twice the hours Carla worked last week is the same as three times the hours she worked this week decreased by
lapo4ka [179]
2x-15=3(x-15) 
2x-15=3x-45
2x+30=3x
30=x

Let's check this work!

2(30)-15=3(30-15)
60-15=3(15)
45=45

She worked 45 hours each week

 *the reason it is 2x-15 and not 15+2x is because "more than" is considered a "turn around word" meaning it is the opposite
3 0
3 years ago
Anne wants to fill 12 hanging baskets with compost. Each hanging basket is a hemisphere of diameter 40 cm.
murzikaleks [220]

Answer:

no

Step-by-step explanation:

Steps to answering this question

  1. determine the volume of the 12 basket

volume of a hemisphere = (2/3)πr^3

n = 22/7

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

radius = 40/2 = 20 cm

volume of one hemisphere = (2/3) x (22/7) x (20^3) = 16,761.90 cm^3

volume of the 12 baskets = 16,761.90 cm^3 x 12 = 201,142.86 cm^

2. convert the litres of compost to cm and multiply by the total bags of compost

1 litre = 1000cm

1 bag of compost = 50 x 1000 = 50,000

4 bags of compost = 50,000 x 4 = 200,000 cm

3. compare which figure is higher. the figure gotten in step 1 or 2

201,142.86 cm^3 is greater than 200,000

there is no enough compost

473691.4

273691.4

3 0
3 years ago
Please help me i dont know what i am doing
Olenka [21]

Answer:

  1. answer is 1.25
  2. 90

<h2>Step-by-step explanation:</h2><h2 />

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8 0
2 years ago
GEOMETRY HELP ASAP!!!!!!!!!!!!!!!!!!!
vovangra [49]
Area of equilateral triangle = a^2/4 * √3 so side of triangle = a

but if area of equilateral triangle =  area of square multiplied by √3 then area of square = a^2 / 4 so side of square = a/2

the ratio length of side triangle to length side of square = a: a/2 that means the side of triangle is doubled the side of square

answer
a) 2:1
6 0
3 years ago
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