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gizmo_the_mogwai [7]
3 years ago
9

Which set of shapes contains members that are always similar to one another?

Mathematics
2 answers:
ser-zykov [4K]3 years ago
7 0

Answer:

Equilateral triangle is the correct answer.

Step-by-step explanation:

  • In the Equilateral triangle are all three sides have the same length /congruent
  • All the three interior angles are also similar in an equilateral triangle
  • Only the set of equilateral triangles contains members that are always similar to one another because all the angles are fixed and equal that is 60 degrees.
  • Rest(trapezoids, isosceles triangles,rectangles, pentagons) does not have fixed angles in it.

Blababa [14]3 years ago
6 0
Hello,

Is member meanning side?

If Yes then equilateral triangles

Answer C
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The roots of an equation are x=-1 plus or minus I the equation is x^2+ ?
Oxana [17]

Answer:

x^2+2x+2

Step-by-step explanation:

If the roots of the equation are -1\pm i, then by the zero product rule:

x=-1\pm i \\\\x+1\pm i=0 \\\\(x+1+i)(x+1-i)=0\\\\x^2+x-ix+x+1-i+ix+i+1=0 \\\\x^2+2x+2=0

You can confirm this with the quadratic equation:

x=\dfrac{-2\pm\sqrt{4-8}}{2}=\dfrac{-2\pm 4i}{2}=-1\pm i

Hope this helps!

8 0
3 years ago
Zack, Jack and Sasha earned £250 altogether delivering leaflets.
AleksAgata [21]

Answer:

Zack earned £125, Jack earned £75, and Sasha earned £50

Step-by-step explanation:

Considering the number of leaflets delivered

Zack 50%, Jack 30% and Sasha 20%

Total delivered = 50 + 30 + 20 = 100%

If they earn £250 on the 100% delivery, then each will have as shown below

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Jack = (30/100)*250

= 3*25

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Sasha = (20/100)*250

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5 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL GIVE BRAINLIEST ​
kobusy [5.1K]

Answer:

If using one pound of pumpkin the baker needs to use 4 pounds of flour mixture

Step-by-step explanation:

step 1: I am going to convert the measurements

into decimals

8/5=1.6

2/5=.4

step 2: I will use cross multiplication to find out how much pumpkin for one pound of flour

1.6=.4

 1=?

1*.4=.4/1.6=.25

step 3:  I will convert .25 into a fraction

.25=1/4

for every 1/4 pound pumpkin, I will use 1 pound of flour

which is why

If using one pound of pumpkin the baker needs to use 4 pounds of flour mixture

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3 years ago
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strojnjashka [21]

Answer:

Below in bold.

Step-by-step explanation:

Point slope form is y - y1 = m(x - x1)

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Here m = 5, x1 = -3 and y1 = 6.

So we have:

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y - 6 = 5(x + 3)   (Answer)

3 0
2 years ago
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