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frosja888 [35]
3 years ago
8

If an image of a triangle is congruent to the pre-image, then the scale factor of the dilation must be n=__?

Mathematics
2 answers:
vovangra [49]3 years ago
6 0
If the triangle and the pre image are congruent then they should equal have the same dilation
Olin [163]3 years ago
4 0
If the image is congruent to the pre-image, then the scale factor must be 1.
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27 students are going on a field trip4 students can ride in each carHow many cars will they need for the field trip?
Leviafan [203]

They need 7 cars for the field trip.

Step-by-step explanation:

        The given is,

             27 students are going to field trip

             4 students in each car

Step:1

         Let, T = Total students are going field trip

                X = Students in each car

                Y = Number of cars need for field trip

Step:2

        From given,

              T = 27

              X = 4

Step:3

       Numbers of cars need for field trip,

              Y = \frac{Total students are going field trip}{Students in each car}

              Y = \frac{T}{X}

                 = \frac{27}{4}

              Y = 6.75     ( For the car, we need to convert the answer into whole number)

              Y = 7 cars

Result:

     They need 7 cars for the field trip, If 27 students are going on a field trip 4 students in each car.

8 0
3 years ago
What is the difference between economies of scale and returns to​ scale? A. Economies of scale define how cost changes with​ out
svlad2 [7]

Answer:

The answer is (A) Economies of scale define how cost changes with​ output, and returns to scale define how output changes with input usage

Step-by-step explanation:

Economies of scale show the effect of an increased output level on unit costs, Economies of Scale refer to the cost advantage experienced by a firm when it increases its level of output. The advantage arises due to the inverse relationship between per-unit fixed cost and the quantity produced. The greater the quantity of output produced, the lower the per-unit fixed cost.

Returns to scale focuses only on the relationship between input and output quantities. Returns to scale is the variation, or change, in productivity that is the outcome from a proportionate increase of all the input.

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Alexeev081 [22]

Answer:

I would

Step-by-step explanation:

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Lori has 25 new stamps but she already has 15 old ones how many does she have in total
KonstantinChe [14]
She would have a total of 40 stamps. 
7 0
3 years ago
Please I NEED AN ANSWER
Alinara [238K]

Answer:

2. m<6 +m<7 =180

3. m<2 and m<4 are supplementary

5. Substitution

6. m<6 = m<2 ------ Subtraction

7. Corresp. < s =

Hope This Helps!!

6 0
3 years ago
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