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Crank
3 years ago
9

Which figures can be precisely defined by using only undefined terms? Select three options.

Mathematics
1 answer:
denis-greek [22]3 years ago
5 0

Answer:

Circle, angle, and line segment.

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Order of operations​
FrozenT [24]

Answer:

Exponents first then multiplication then subtraction

7 0
4 years ago
Read 2 more answers
The service manager of a car dealer wants to determine if owners of new cars (A) tune up their cars more frequently than owners
ivann1987 [24]

Answer:

Null hypothesis: ∪ₐ = ∪ₓ

Alternative hypothesis: ∪ₐ ≠ ∪ₓ

Step-by-step explanation:

Null hypothesis: ∪ₐ = ∪ₓ

Alternative hypothesis: ∪ₐ ≠ ∪ₓ

where ∪ₐ represents mean of sample of new cars and ∪ₓ represents mean of sample of older cars.

Using a difference in means t test will help determine if new owners tune up their cars more frequently than older car owners.

6 0
3 years ago
Use the image below to answer the following question. Find the value of sin x® and cos yº What relationship do the ratios of sin
Flauer [41]

Answer:

sin(x) and cos(y) are equal and have ratio of 1 : 1

First find the missing hypotenuse using Pythagoras theorem:

a² + b² = c²

12² + 5² = c²

c = √144+25

c = 13

using sine rule:

sin(x) = \dfrac{opposite}{hypotenuse}

sin(x) = \dfrac{5}{13}

using cosine rule:

cos(y) = \dfrac{adjacent}{hypotenuse}

cos(y) = \dfrac{5}{13}

4 0
2 years ago
Read 2 more answers
What is the length of the line AB<br><br> a. 8<br> b. 8.3<br> c. 6.6<br> 6. 9.7
lilavasa [31]
We know that
in the right triangle ACD
Applying the Pythagoras theorem
AC²=AD²+CD²------> AD²=AC²-CD²-----> AD²=5²-4²---> AD²=9----> AD=3

let
∅=angle CAD
tan ∅=4/3 

in the right triangle CDB
the angle DCB is equal to ∅
tan ∅=DB/CD-------> DB=CD*tan ∅------> DB=4*(4/3)----> DB=16/3

AB=AD+DB-----> 3+16/3----> AB=25/3----> AB=8.33

the answer is
<span>b. 8.3</span>
4 0
3 years ago
Read 2 more answers
What is the least common factor of 36 and 48
andrew-mc [135]
The least common factor is 2.
2*18=36 2*24=48
5 0
3 years ago
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