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kakasveta [241]
3 years ago
11

I don't know how to do it

Mathematics
1 answer:
Hitman42 [59]3 years ago
8 0
I am pretty sure it is C
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Somebody answer this!!! pls!!!
marusya05 [52]

Answer:

243 in.²

Step-by-step explanation:

A = bh

⇒ A = 13.5 × 18 = 243

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Nina asked 100 students if they have a pet. Of the students 19/100 have a cat. How many students have a cat?
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19 people have cats because of the 100 people 19 said they do.
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Can someone help me solve this matrix
liraira [26]

Answer:

You cant add a negative number.

Step-by-step explanation:

If you add a negative number you will not have a full answer.

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Can some explian this?
KiRa [710]

Answer: it’s asking where do the points meet at hopes this helps

Step-by-step explanation:

8 0
2 years ago
Complete the proof for the following conjecture.
Ray Of Light [21]

Answer:

Statements                                                      Reasons

AC+CD=AD and AB+BD=AD         Segment Addition Postulate

AC+CD=AB+BD                            Transitive/Substitution Property

AC=BD                                         Given

BD+CD=AB+BD                            Substitution Property

CD=AB                                         Subtraction Property

AB=CD                                         Symmetric Property

Step-by-step explanation:

By segment addition postulate, we can say the following two equations:

AC+CD=AD and AB+BD=AD.

By either substitution/transitive property, you can say AC+CD=AB+BD.

You are given AC=BD, so we use substitution and write AC+CD=AB+AC.

After using subtraction property (subtracting both sides by AC), you obtain CD=AB.

By symmetric property, you may say AB=CD.

So let's write it into the 2 column-proof you have there:

Statements                                                      Reasons

AC+CD=AD and AB+BD=AD        Segment Addition Postulate

AC+CD=AB+BD                            Transitive/Substitution Property

AC=BD                                          Given

BD+CD=AB+BD                             Substitution Property

CD=AB                                          Subtraction Property

AB=CD                                          Symmetric Property

Properties/Postulates used:

Transitive property which says:

If a=b and b=c, then a=c.

Substitution property which says:

If a=b, then b can be substituted(replaced with) for a.

Subtraction property which says:

a=b implies a-c=b-c.

Segment Addition Postulate says:

If you break a segment into two smaller pieces then the measurement of that segment is equal to the sum of the smaller two segments' measurements.

3 0
3 years ago
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