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Pani-rosa [81]
2 years ago
13

HELP “The vertical supports in this truss bridge are built so that

Mathematics
1 answer:
ElenaW [278]2 years ago
5 0

Answer:

The statement that is not true is;

c) m∠ABO = m∠ODC

Step-by-step explanation:

With the assumption that the lengths AO, and OD are equal, we have that in ΔABO and ΔOCD, the following sides are corresponding sides;

Segment AO on ΔABO is a corresponding side to segment OD on ΔOCD

Vertices B and C on ΔABO and ΔOCD are corresponding vertices

Therefore;

Segments AB and OB on ΔABO are corresponding sides to segments OC and OD on ΔOCD respectively

Therefore, ∠ABO on ΔABO is the corresponding angle to ∠OCD on ΔOCD

Given that ΔABO ≅ ΔOCD, we have that ∠ABO ≅ ∠OCD

Therefore;

m∠ABO = m∠OCD by definition of congruency

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Suppose the average math SAT score for students enrolled at local community college is 490.4 with a standard deviation of 63.7.
lakkis [162]

Answer:

Option B) 9.1      

Step-by-step explanation:

We are given the following in the question:

Average score = 490.4

Standard deviation = 63.7

Sample size, n = 49

Formula:

=\dfrac{\sigma}{\sqrt{n}}

Putting values, we get,

Standard error =

=\dfrac{\sigma}{\sqrt{n}} = \dfrac{63.7}{\sqrt{49}} = 9.1

Thus, the correct answer is

Option B) 9.1

8 0
2 years ago
The side lengths of the state flag of Colorado are in the ratio 2:3. If a flag is 12 feet long, what is
jekas [21]

Answer:

12 ft

Step-by-step explanation:

it's either 12 or 18, I have no idea  :/

5 0
3 years ago
What is the domain of 6x+7/9x+2
Anon25 [30]

Answer:

Domain of the function is (inf, -inf)

Step-by-step explanation:

6 0
3 years ago
pls help me on this lol i tried putting 2 in but that isn't right so 2 isn't the right answer pls helpppp
kkurt [141]

Answer:

2

Step-by-step explanation:

The correlating sides are similar meaning;

8/x = 16/4

using cross multiplication you will get;

16x = 32

which simplifies to;

x = 2

3 0
3 years ago
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Answer:

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Step-by-step explanation:

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