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andrew-mc [135]
2 years ago
11

What is a trapezoids​

Mathematics
1 answer:
lesya [120]2 years ago
7 0
The trapezoids are supposed to have 4 sides it’s a quadrilateral with a pair of parallel sides. The dark blue one is a trapezium it has one pair of parallel sides
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3x - 6 = 18 <br>solve for x​
mr Goodwill [35]

Answer:

x=8

Step-by-step explanation:

You move all terms that don't contain x to the right side and solve.

3x-6=18

3x=24

x=8

3 0
3 years ago
Read 2 more answers
What is the surface area of the square pyramid
user100 [1]

Answer:

128 feet squared

Step-by-step explanation:

you multiply 4 by 4 to get 16 ,

then you multiply 7 by 4 and get 28,

also multiply 28 by 4 and get 112 ,

finally add 112 and 16 to get 128


6 0
3 years ago
it takes 10.4 hours to receive a basic flying license. A new license training method using Computer Aided Instruction (CAI) has
Anastasy [175]

Answer:

Test statistic (t) = 0.625

Step-by-step explanation:

<u><em>Step(i):-</em></u>

mean of the Population(μ) = 10.4 hours

Sample mean (x⁻) = 10.7 hours

Standard deviation of the sample( S)  = 1.44

The level of significance (α= 0.1

Sample size 'n' = 9

Degrees of freedom = n-1 = 9-1 =8

<u><em>Step(ii)</em></u>:-

Test statistic

                     t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }

                   t = \frac{10.7 -10.4}{\frac{1.44}{\sqrt{9} } }  =0.625

8 0
3 years ago
A train travels 2,000 miles in 40 hours ,going the same distance each hour .how many miles does the train travel each hour
Oksana_A [137]

Answer:

50

Step-by-step explanation:

2000/40=50

8 0
3 years ago
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The recreation center is hiring counselors for summer camp. They need four counselors for every 25 campers. If there are 140 cam
Akimi4 [234]
Jus divide 140 by 25
7 0
3 years ago
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