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vagabundo [1.1K]
3 years ago
13

1/2 divided by 2/5 using a model

Mathematics
1 answer:
OverLord2011 [107]3 years ago
7 0
Exact form is 5/4
decimal form is 1.25
mixed number form is 1 1/4 
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Amid needs 32.9 meters of fabric to make one tent. he has an order for 12 tents. how many meters of fabric does he need? a. 367.
kvv77 [185]

Answer: 394.8

Step-by-step explanation:

if Amid needs 32.9 m for one tent  he will need

32.9 x 12= 394.8 m for 12 tents

6 0
2 years ago
Find the percent decreased original price: $40 sale price: $30
stich3 [128]

Answer:

25 percent

Step-by-step explanation:

Percent decrease = (original - new)/original * 100 percent

                              = (40-30)/40 * 100 percent

                              = 10/40 * 100 percent

                              = .25 * 100 percent

                               =25 %

4 0
3 years ago
-x + 1/2 = x + 41/2<br> *PLEASE SHOW WORK*
ollegr [7]
  -x + 1/2 = x + 4 1/2
  +x           +x
         1/2 = 2x + 4 1/2
       -4 1/2       - 4 1/2
        -4 = 2x
         x = -2
6 0
3 years ago
Help please!!<br> Serious answers only | multiple choice
Zarrin [17]
The option A is the right answer
6 0
3 years ago
Kelly was asked to determine whether △KLN is congruent to △MNL. She noted that KL ≅ MN, LM ≅ KN, and that the three pairs of cor
Art [367]

Answer:

<h2>Kelly is wrong, with this congruent parts, we can conclude that triangles are congruent.</h2>

Step-by-step explanation:

To demonstrate congruent triangles, we need to use the proper postulates. There are at least 5 postulates we can use.

  • Angle-Angle-Side Theorem (AAS theorem).
  • Hypotenuse-Leg Theorem (HL theorem).
  • Side-Side-Side Postulate (SSS postulate).
  • Angle-Side-Angle Postulate (ASA postulate).
  • Side-Angle-Side Postulate (SAS postulate).

In this case, Kelly SAS postulate, because the corresponding sides-angles-sides are congruent, i.e., KL ≅ MN and LM ≅ KN, also, all corresponding angles are congruent.

So, as you can see, only using SAS postulate, the congruency can be demonstrated. (Refer to the image attached to see an example of SAS postulate)

8 0
3 years ago
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