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alisha [4.7K]
2 years ago
5

Please help me I honestly have zero clue how to answer this question

Mathematics
1 answer:
Iteru [2.4K]2 years ago
6 0

Step-by-step explanation:

n = 3 \times 5 {}^{2}   \times  {x}^{3}

Square both sides of the equation.

{n}^{2}  = (3 {}^{2}  \times 5 {}^{4}  \times  {x}^{6} )

5 {n}^{2}  = 5(3 {}^{2}  \times  {5}^{4}  \times  {x}^{6} )

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SVETLANKA909090 [29]

Answer: D

Step-by-step explanation:

(3 + 2i) (3-2i) = 13

8 0
3 years ago
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What is perimeter of rectangle JKLM?
Sloan [31]

Answer: 16 units

Step-by-step explanation:

Find the length of each of the four sides and add them all together. The short sides each measure 3 units and the long sides each measure 5 units. 3+3+ 5+5 = 16

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Kallisto built a rectangular sign that measured 2 and 3/4. The width is 1 and 1/4 shorter than the length. To find the area, mul
prisoha [69]

Answer:

<em>l</em> = 1 5/16

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Step-by-step explanation:

Perimeter = 11/4

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w = <em>l</em> - 5/4

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2<em>l</em> + 2<em>l</em> - -5/2 = 1/4

multiply each side by 4

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8 0
3 years ago
Jared buys 2.4 pounds of broccoli for $3.24. Which equation could Jared use to find c, the cost of each pound of broccoli
ss7ja [257]

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1.35

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3.24/2.4=1.35

7 0
2 years ago
two times a number added to another number is 20. three times the first number minus the other number is 20. find the numbers
skelet666 [1.2K]

Answer:

y=7

Step-by-step explanation:

We have two numbers,  

x

,

y

. We know two things about them:

2

x

+

y

=

25

3

x

−

y

=

20

Let's add these two equations together which will cancel the  

y

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5

x

+

0

y

=

45

x

=

45

5

=

9

We can now substitute in the  

x

value into one of the original equations (I'll do both) to get to  

y

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2

x

+

y

=

25

2

(

9

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+

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=

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18

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=

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y

=

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3

x

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3

(

9

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−

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27

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8 0
3 years ago
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