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masya89 [10]
3 years ago
6

A^2-b^2=(a+b)(a-b) label perfect square trinomial or difference two square

Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0

Answer:

difference of squares

Step-by-step explanation:

a^2 - b^2 = (a-b)(a+b)

This is the definition of the difference of squares

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A drumstick ice cream cone is 4 inches in diameter and has a height of 7 inches and filled with ice cream. The cone also has a s
Dovator [93]

Answer:

48.7 cube inches

Step-by-step explanation:

Let us assume that the ice cream filled the entire volume of the cone.

Diameter of cone = 4 inches

height of cone = 7 inches

diameter of a sphere of ice cream = 5 inches

Total amount of ice cream = volume of cone + volume of sphere

volume of cone = \frac{1}{3}\pir^{2}h

r = \frac{diameter}{2}

  = \frac{4}{2} = 2 inches

volume of the cone = \frac{1}{3} x \frac{22}{7} x 2 ^{2} x 7

                           = \frac{1}{3} x \frac{22}{7} x 4 x 7

                           = 29.3333 cube inches

volume of sphere = \frac{4}{3} \pir^{3}

r = \frac{diameter}{2}

  = \frac{5}{2} = 2.5 inches

volume of sphere ice cream = \frac{4}{3} x \frac{22}{7} x (\frac{5}{2} )^{3}

                                   =  \frac{4}{3} x \frac{22}{7} x \frac{125}{27}

                                   = 19.40 cube inches

So that,

Total amount of ice cream = 29.33 + 19.40

                                   = 48.7 cube inches

7 0
2 years ago
Which statement about is true
Verdich [7]

Answer:

\tan( \alpha )  =  \frac{8}{15}

4 0
3 years ago
Help ASAP please
Agata [3.3K]

Answer:

55,000

Step-by-step explanation:

I already explained it on another problem but I'll show the equation again.

0.74x = 40,700

x = 55,000

7 0
3 years ago
If zb⊥ya , find m<br><br>A. 28<br><br>B.46<br><br>C.56<br><br>D.62<br><br>I'll give you brainliest
prohojiy [21]
<h3>Answer:</h3>

A. 28

<h3>Step-by-step explanation:</h3>

We assume m is the measure of the marked unknown angles: ∠BZY ≅ ∠BZA

(5x +3)° = (2x +18)°

Divide by ° and subtract 2x+3:

... 3x = 15

... x = 5

Then ∠BZA = (2·5 +18)° = m = 28°

5 0
3 years ago
wants to buy a video game that cost $299 and his parents will pay 40% what will be the part he has to pay
viktelen [127]
He will pay $179.4.

40% of 299 = 119.6

299-199.6 = 179.4


To check your answer (or another way to do it is) take 60% of 299 = 179.4
3 0
3 years ago
Read 2 more answers
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