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Lelechka [254]
3 years ago
11

What property is 12(x+4)=12x+48

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
7 0

Answer:

Distributive property

Step-by-step explanation:

elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

This is the distributive property.

Step-by-step explanation:

Notice how they are multiplying the twelve by both numbers in the parenthesis, this is known as distributing. Whenever you multiply a number and a variable you usually just connect them, except for 12 and 4, they must be multiplied together as they are like terms.

If this is still confusing, be sure to ask me some more questions!

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Please help me answer this.
adoni [48]

Answer:

See explanation

Step-by-step explanation:

        Statements                         Reasons

1. \overline{AD}\parallel \overline{BC}                                        Given

2. \angle ADB\cong \angle CBD      As alternate interior angles when parallel lines AD and BC intersect by ltransversal BD

3. \overline{AD}\cong \overline{BC}                                     Given

4. \overline{BD}\cong \overline{DB}                     Reflexive property

5. \triangle ADB\cong \triangle CBD                  SAS postulate

6.  \angle ABD\cong \angle CDB              Corresponding parts of congruent triangles are congruent

7. \overline{AB}\parallel \overline{CD}            Inverse alternate interior angles theorem

8 0
3 years ago
Roberto decorates retangular signs. One sign is 2/3 foot long and 1/4 foot wide. Another sign is 1/2 long and 1/3 foot wide. It
PilotLPTM [1.2K]

Answer:

It'll take him 1/4 hours to decorate the two signs.

Step-by-step explanation:

In order to know how long Roberto will take to decorate all the signs we need to find their surface area, since they're rectangular their area is given by the product of their dimensions.

First sign:

area1 = (2/3)*(1/4) = 2/12 = 1/6 foot²

Second sign:

area2 = (1/2)*(1/3) = 1/6 foot²

The total area he has to paint is the sum of their individual areas, so we have:

total area = area1 + area2 = 1/6 + 1/6 = 2/6 = 1/3 foot²

To find out how long he'll take to decorate this area we can use a rule of three as shown bellow:

3/4 hour -> 1 foot²

x hour -> 1/3 foot²

x = (3/4)*(1/3) = 1/4 hours

3 0
3 years ago
15,000 feet to kilometers
KIM [24]
4.572 kilometers is the answer.
5 0
3 years ago
Read 2 more answers
Let A and B be nxn matrices such that AB is singular prove that either A or Bis singular
Alex_Xolod [135]
\det(\mathbf{AB})=\det\mathbf A\times\det\mathbf B

Because \mathbf{AB} is singular, we have

\det(\mathbf{AB})=0

from which it follows that either \det\mathbf A=0 or \det\mathbf B=0.
4 0
3 years ago
16. What is the total number of different eight-letter arrangements that can be formed
lilavasa [31]
The answer is 64 because u have to times 8 (number of letter arrangements) by 8 (number of letters in the word)
4 0
2 years ago
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