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Tatiana [17]
3 years ago
11

Which property was used to write the equation in step 2?

Mathematics
2 answers:
ankoles [38]3 years ago
5 0

For this case we have that by definition, the distributive property establishes that:

a (b + c) = ab + ac

So, if we have:

5 (x-7) = 55

When applying distributive property to the terms within the parenthesis we have:

5x-35 = 55

The distributive property was used to write the second step.

Answer:

Distributive property

tatyana61 [14]3 years ago
4 0

Answer:

Distributive property.

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please help! find the scale factor and ratio of perimeters for a pair of similar octagons with areas 64ftsq and 81ftsq. i need t
kati45 [8]

Answer:

the scale factor and the ratio of their perimeters is 8/9

Step-by-step explanation:

k^2=area 1/area 2

k^2=64/81

=square root if k^2=square root of 64/81

=<u>k</u><u>=</u><u>8</u><u>/</u><u>9</u>

4 0
2 years ago
Describe a real-world situation that the graph could represent. Then describe the possible values for each variable
Alex777 [14]

Answer:

Speed=distance/time i.e. relation between speed-distance-time is one such situation that can be modeled using graph

Step-by-step explanation:

There are many real world examples that can be modeled using graph. Graphs are represented on co-ordinate planes, so any real world example that can be represented by use of linear equation can be represented onto a graph.

One such example, is speed-distance-time relation. Uniform speed can be represented on a graph as shown in figure.

So, the equation for speed is represented by equation as follows:

Speed=distance/time

So, if we take distance on y axis and time on x axis with points as (distance,time)

(0,0) ==> v=0/0=0

(1,2) ==> v=1/2=0.5

(2,2) ==> v=2/2=1

the following points 0,0.5,1 will be plotted on graph. Similarly, more values can be plotted by assuming values for distance and time.

8 0
3 years ago
In ΔEFG, g = 4.3 cm, e = 9.1 cm and ∠F=116°. Find the length of f, to the nearest 10th of a centimeter.
8_murik_8 [283]

Answer:

11.6

Step-by-step explanation:

6 0
3 years ago
Arianna runs up 4 flights of stairs then runs down 4 flights of stairs. Does this situation represent additive inverses
dexar [7]

Answer:

Yes because she ends up back at zero

8 0
3 years ago
50 + 2x = 100<br> What is x?
max2010maxim [7]

Answer:

x = 25

Step-by-step explanation:

50 + 2x = 100

=> 2x = 50

=> x = 25

Hoped this helped.

4 0
2 years ago
Read 2 more answers
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