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barxatty [35]
3 years ago
7

Tell whether the equation has one, zero, or infinitely many solutions:9(x - 4) +15=9x – 21​

Mathematics
1 answer:
Mama L [17]3 years ago
8 0

Answer:

Infinite solutions

Step-by-step explanation:

Simplify both sides, subtract 9x, and add 21x to both sides and you will get 0 = 0 so there is infinite solutions.

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The following list shows the colours of a random selection of sweets.
Westkost [7]

Answer:

Categorical or Continuous.

Step-by-step explanation:

Because the red appears in each colours (continuous)

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Which sets does square 7 belong to.​
horsena [70]

Answer:Number Sets. There are sets of numbers that are used so often they have special names and symbols: ... The numbers you can make by dividing one integer by another (but not dividing by zero). In other words ... If you square a real number you always get a positive, or zero, result. ... x + 7 = 0, x = −7, Integers, set integer.

Step-by-step explanation:

5 0
3 years ago
Triangle A E C is shown. Line segment B D is drawn near point C to form triangle B D C.
AVprozaik [17]

∠BDC and ∠AED are right angles, is  a piece of additional information is appropriate to prove △ CEA ~ △ CDB

Triangle AEC is shown. Line segment B, D is drawn near point C to form triangle BDC.

<h3> What are Similar triangles?</h3>

Similar triangles, are those triangles which have similar properties,i.e. angles and proportionality of sides.

Image is attached below,
as shown in figure
∡ACE = ∡BCD ( common angle )
∡AED = ∡BDC ( since AE and BD are perpendicular to same line EC and make right angles as E and C)
∡EAC =- ∡DBC ( corresponding angles because AE and BD are parallel lines)

Thus, △CEA ~ △CDB , because of the two perpendiculars AE and BD.

Learn more about similar triangles here:
brainly.com/question/25882965

#SPJ1


3 0
2 years ago
Simplify 2y^2 + 2y + 2y + 2x^2.
klio [65]

Answer:

2x^2+2y^2+4y would be your answer

Step-by-step explanation:

7 0
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Recall that the graph of a function f is the graph of the set of ordered pairs (x,f(x))
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