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kakasveta [241]
2 years ago
5

PLS ANSWER QUICK! Thanks!

Mathematics
1 answer:
ziro4ka [17]2 years ago
5 0

Answer:

The correct answer would be a=\sqrt{c^2-b^2}

Step-by-step explanation:

given a^2+b^2=c^2 we want to solve for a

How?

We can do this by using basic algebra ( isolating the variable (a ))

Step 1 subtract b^2 from each side

a^2+b^2-b^2=a^2\\c^2-b^2=c^2-b^2

now we have a^2=c^2-b^2

step 2 take the square root of each side

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

we're left with a=\sqrt{c^2-b^2}

Hence your answer is A

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Svetllana [295]

Given Equation

\boxed{ \tt \: (8 \sqrt{3}  - 2 \sqrt{2} )(8 \sqrt{3}   + 2 \sqrt{2})}

Step by step expansion:

\dashrightarrow \sf \: (8 \sqrt{3}  - 2 \sqrt{2} )(8 \sqrt{3}   + 2 \sqrt{2})

\\  \\

\dashrightarrow \sf \: (8 \sqrt{3})^{2}  - (2 \sqrt{2}  {)}^{2}

Reason:

(a + b)(a - b) = a²- b²

\\  \\

\dashrightarrow \sf \: (8 {}^{2}  \times  { \sqrt{3} }^{2} )- (2 \sqrt{2}  {)}^{2}

\\  \\

\dashrightarrow \sf \: (64  \times 3 ) - (2 \sqrt{2}  {)}^{2}

\\  \\

\dashrightarrow \sf \: (64  \times 3 ) - (2 {}^{2} \times   \sqrt{2}  {}^{2}  {)}

\\  \\

\dashrightarrow \sf \: 192- 8

\\  \\

\dashrightarrow \sf \: 184

\\  \\

~BrainlyVIP ♡

4 0
2 years ago
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Put the following equation in slope-intercept form: 2x+4y=12
guajiro [1.7K]
Y=-1/2x+3 is the slope intercept form.
4 0
3 years ago
15% of a number is 30. What is the number?​
Solnce55 [7]

Answer:

60 percent

Step-by-step explanation:

5 0
3 years ago
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If triangle ABC is similar to triangle DEC, find the values of x and y.
Mumz [18]

The values are x=8 and y=35, if the given ΔABC and ΔDEC are equal, it is obtained by Pythagoras theorem.

Step-by-step explanation:

The given are,

           From ΔABC,

                    AB= 6

                    BC= 10

                    AC = x

           From ΔDEC,

                    CD= 28

                    DE= 21

                    CE = y

Step:1

        Pythagoras theorem from  ΔABC,

                    BC^{2}=AB^{2} + AC^{2}...............(1)

       Substitute the values,

                   10^{2} = 6^{2} + AC^{2}

                  100 = 36 + AC^{2}

                   AC^{2} = 100 - 36

                           = 64

                    AC = \sqrt{64}

                    AC = 8

                  AC = x = 8

Step:2

        Pythagoras theorem for ΔDEC,

               CE^{2} = CD^{2}  + DE^{2}................(2)

       From the values,

              CE^{2} = 28^{2} + 21^{2}

             CE^{2} = 784 + 441

                     = 1225

              CE = \sqrt{1225}

              CE = 35

             CE = y = 35

Result:

         The values are x=8 and y=35, if the given ΔABC and ΔDEC are equal.

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2 years ago
Albert wants to buy two pomegranates and some peaches
m_a_m_a [10]

1.19p+3.18≤10.00 can be used to determine the pounds of peaches Albert can buy.

Step-by-step explanation:

Given,

Cost of one pomegranate = $1.59

Cost of two pomegranate = 1.59*2 = $3.18

Cost of peaches per pound = $1.19

Cost of p pounds of peaches = 1.19p

Total amount of spent = $10.00

Cost of p pounds of peaches + Cost of two pomegranates ≤ Total to spend

1.19p+3.18\leq 10.00

1.19p+3.18≤10.00 can be used to determine the pounds of peaches Albert can buy.

Keywords: inequality, addition

Learn more about addition at:

  • brainly.com/question/11007026
  • brainly.com/question/11207748

#LearnwithBrainly

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