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DochEvi [55]
4 years ago
7

Is the following statement a good definition? Why?

Mathematics
2 answers:
Readme [11.4K]4 years ago
7 0

Connexus Biconditionals and definitions quiz:

1. B It is not. The statement is not reversible.

2. B Planes are parallel if and only if they do not intersect.

3. A No, it is not. The statement is not precise. A ray or a point could be part of a line.

4. C A point that devices a segment into two congruent segments is a midpoint.

5. B No it is not. A straight angle has a measure greater than 90, but it is not an obtuse angle.

6. A If two segments are congruent, then they have the same length.

7. D Yes, it is. When the definition is separated into two conditional statements, both the statements are true.

8. A The letter I is a counterexample.

9. C Yes it is. The statement is precise and reversible.

10. B A polyglob has three solid-colored dots and three legs.

100% just took it


Natasha_Volkova [10]4 years ago
3 0
Yes it is. The statement is precise and reversible.
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A tank in the shape of a right rectangular prism measures 10 inches long, 5 inches wide, and 7 inches tall. The tank is filled w
fgiga [73]

Answer:

Approximately 149 cubic centimeters of water

Step-by-step explanation:

step 1

Find the volume of water in the tank

The volume of a rectangular prism is equal to

V=LWH

we have

L=10\ in\\W=5\ in\\H=7\ in

substitute

V=(10)(5)(7)=350\ cm^3

step 2

Find the volume of the cylindrical container

The volume of the cylinder is equal to

V=\pi r^{2}h

we have

r=4/2=2\ in ---> the radius is half the diameter

h=1.6\ in

\pi =3.14

substitute

V=(3.14)(2)^{2}(1.6)

V=20.096\ cm^3

step 3

To find out how much water is still in the tank, subtract the volume of 10 containers of water from the volume of the tank

so

350-(10)(20.096)=149.04\ cm^3

therefore

Approximately 149 cubic centimeters of water

4 0
3 years ago
How do i solve 7/11 = 18/x+1
Elanso [62]
Solve for x by cross multiplying

Exact form: x= 191/7

Decimal form :x=27.28571428

Mixed number form:x=27 2/7

5 0
3 years ago
Shade more than 53/100 and less than 8/10. Write the value of the shaded part as decimal and a fraction
s344n2d4d5 [400]
Decimal: .65 Fraction: 65/100

3 0
3 years ago
(a) Laura owns 6 shares of a certain stock. Yesterday the total value of her shares went down by
Kay [80]
$24/6=$4 Answers: Laura’s stock lost Four dollars per share in value.
8 0
2 years ago
Read 2 more answers
Triangle Inequality TheoremDetermine if a triangle can be formed with the given lengths. If so, classify the triangle by its ang
frozen [14]

Given:-

7,20,12

To find:-

Wheather the given sides form a valid triangle.

So now let,

A=7,B=20,C=12

To check we use the condition,

A+B>C,B+C>A,C+A>B

Substituting the values we get,

7+20>12,20+12>7,12+7>20

In the above condition 12+7>20 is wrong.

So the condition fails and the given sides doesnt form a triangle.

3 0
2 years ago
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