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Tanya [424]
3 years ago
11

how many numbers divisible by 5 are possible, show your calculation. (Its a other language so dont look at the text)

Mathematics
1 answer:
zimovet [89]3 years ago
7 0
1,2.3.4.5.6.7.8 hahjahahahahhahaha
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Using rigid motion, which statement is true about the triangles? △ABC is congruent to △DEF . △ABC is congruent to △FDE . △ABC is
julia-pushkina [17]

Answer:

△ABC is congruent to △DEF

Step-by-step explanation:

△DEF is a reflection of △ABC across the y-axis. (Each x-coordinate is negated.)

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<em>Comment on presentation</em>

This would be much easier to answer if you would use a conventional representation of ordered pairs:

... (-1, -2) instead of "begin ordered pair negative 1 comma negative 2 end ordered pair"

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4 years ago
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Consider the dot plot which shows the distribution of data collected on the number of pets at home. Which statement BEST describ
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C) The mean Value is closer to the middle of the range than the Median

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3 years ago
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Find the perimeter and area of the figure below.
hichkok12 [17]

Answer:

perimeter = 40

area = 46(unit)^2

Step-by-step explanation:

Perimeter - all sides added together

  1. Find unknown sides (8-3 = 5, 12-2 = 10)
  2. Add all sides together (8+2+5+10+3+12 = 40)

Area - Length multiplied by width

  1. Divide shape into two rectangles (#1 is 2x5 and #2 is 3x12)
  2. Find individual area (rectangle #1: 2*5 = 10 / rectangle #2: 3*12 = 36)
  3. Add areas together (10+36 = 46)
  4. Finish with unit squared (46___^2)
8 0
4 years ago
Graphing functions quiz 2.2.3
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This is not a function
3 0
3 years ago
X2 + 45x = -200 Using the quadratic formual and the discirimnat
dybincka [34]

Answer:

Positive discriminant = 2 real solution

x= -5,-40

Step-by-step explanation:

The discriminant is used to see how many solutions an equation has. If it is negative, the equation has no real solutions, if =0 the equation has 1, and if it is positive, the equation has two real solutions.

The discriminant is the part of the quadratic formula inside the square root:

b^{2}-4ac

Every quadratic formula has the structure:

ax^{2} +bx+c=0

So first, in order to meet this structure we need to add 200 to both sides so the equation is equal to 0. This gives us:

x^{2} +45x+200=0

Our a=1, b=45 and c=200

Now we can substitute these values into the discriminant:

(45)^{2} -4(1)(200)

Solve:

2025-800=1225

The discriminant is a positive number which means this equation will have 2 real solution. Now we just need to plug in our values into the quadratic formula to solve this equation. Quadratic formula:

x=\frac{-+/-\sqrt{b^{2}-4ac} }{2a} \\x=\frac{-45+/-\sqrt{1225} }{2}

(Same discriminant value)

x=\frac{-45+/-35}{2}

Now to find the two solutions, we use both signs in the equation. Solution 1:

x=\frac{-45+35}{2}

x=\frac{-10}{2}=-5

Our first solution is -5, now for the second:

x=\frac{-45-35}{2}\\\\ x=\frac{-80}{2}=-40

The two solution to this equation are -5 and -40.

Hope this helped!

7 0
3 years ago
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