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egoroff_w [7]
2 years ago
7

The expression 5(7+2)=5(7)+5(2) is an example of

Mathematics
2 answers:
Tomtit [17]2 years ago
8 0

Answer:45

Step-by-step explanation:5(7)+5(2)=35+10=45.This is an example of expansion or distributive expression

Goryan [66]2 years ago
8 0

Answer: 45 = 45

god bless have a nice day love u

Step-by-step explanation:

5(7+2)= 45

5(7)+5(2)= 45

so its 45

but i put 45 = 45 same thing i think

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A parabola can be drawn given a focus of (8, 6) and a directrix of x=4. Write the equation of the parabola
Orlov [11]

Answer:

<em>The equation of the Parabola</em>

 <em>(y - 6 )² = 8 (x -6)</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given directrix  x = 4

we know that    x = h - a = 4

               h -a =  4  ...(i)

Given Focus  = ( 8,6)

we know that the Focus of the Parabola

         ( h + a , k ) = ( 8,6)

   comparing  h + a = 8 ...(ii)

                  k = 6

solving (i) and (ii) and adding

   h - a + h+ a = 8 +4

           2 h = 12

              h =6

   Put h = 6 in equation (i)

  ⇒     h - a =4

  ⇒   6 - 4 = a

  ⇒      a = 2

<u><em>Step(ii):-</em></u>

<em>The equation of the Parabola ( h,k) = (6 , 6)</em>

<em>( y - k )² = 4 a ( x - h )</em>

<em>(y - 6 )² = 4 (2) (x -6)</em>

<em>(y - 6 )² = 8 (x -6)</em>

<u><em></em></u>

3 0
2 years ago
Taliyah needs to buy 43 favors that cost 2.75 each.Estimate the total cost by rounding each number of favors to thge nearest who
nika2105 [10]

Answer: $129

Step-by-step explanation: First, you round 2.75 up to 3 and then you multiply by 43. Boom, $129.

5 0
3 years ago
Jaquavion's grandfather cut 68 1/2 bales of hay from 2 fields. He cut 23 1/4 from 1 field. How many bales did he cut from the ot
Olin [163]
His grandfather cuts 45 1/4 bales of hay in the other field
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3 years ago
What is the perimeter of this figure? fractions
Alona [7]

Answer:

A

Step-by-step explanation:

You can add the numbers to get the perimeter

10 1/3 + 15 2/3 = 26

18 1/4 + 24 1/4= 42 1/2

26 + 42 1/2= 68 1/2

That is answer choice A

7 0
2 years ago
Explain how the distance formula can prove Pythagoras' Theorem. In your
Paul [167]

Answer:

Given a triangle ABC, Pythagoras' Theorem shows that:

c^2=a^2+b^2

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c = \sqrt{a^2+b^2}

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d^2 = (x_{2} -x_{1})^2 + (y_{2} -y_{1})^2

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Therefore when given the hypotenuse with endpoints at

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8 0
2 years ago
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