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KengaRu [80]
3 years ago
7

Which expression is equivalent to 298−−√⋅2√298·2 ?

Mathematics
2 answers:
hoa [83]3 years ago
6 0
2 \sqrt{98} \cdot \sqrt{2} =2 \sqrt{49\times2} \cdot \sqrt{2}  \\  
\\ =2 \sqrt{49} \cdot \sqrt{2} \cdot \sqrt{2} =2\times7\times2 \\  \\ 
=28
Y_Kistochka [10]3 years ago
3 0

Answer:

Its 28

Step-by-step explanation:

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a) 8:14

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Louis bought a burger and soda for $8. Kate purchased a slice of pizza and soda for $9. Biff purchased a burger, a slice of pizz
Arte-miy333 [17]

The equation for Louis's purchase is: x+y=8

The equation for Kate's purchase is: y+z=9

The equation for Biff's purchase is: x+y+z=13.50

Step-by-step explanation:

First of all we have to define variables for each item involved in the purchase

Let x represent burger

y represent soda

z be the slice of pizza

Then

"Louis bought a burger and soda for $8"

x+y=8

"Kate purchased a slice of pizza and soda for $9"

y+z=9

"Biff purchased a burger, a slice of pizza and a soda for $13.50"

x+y+z=13.50

The equation for Louis's purchase is: x+y=8

The equation for Kate's purchase is: y+z=9

The equation for Biff's purchase is: x+y+z=13.50

Keywords: Linear Equations, Variables

Learn more about Linear equations at:

  • brainly.com/question/11207748
  • brainly.com/question/11280112

#LearnwithBrainly

5 0
3 years ago
Which expression gives the distance between the points
Alla [95]

Answer:

C

Step-by-step explanation:

The formula for finding the distance between 2 points (x1, y1) and (x2, y2) is

d = √[(x2 - x1)² + (y2 - y1)²]

Here (x2, y2) = (2, 3)  and (x1, y1) = (4, -3)

Plugging them gives us

d = √[(2 - 4)² + (3 - (-3))²]

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Answer:

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Step-by-step explanation:

to solve foe e in  this 4/3=-6e-5/3

solution

4/3=-6e-5/3

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4 + 5/3 = 6e

9/3 = 6e

cross multiply

3 x 6e = 9 x 1

18e = 9

divide both sides by the coefficient of e which is 18

18e /18 = 9/18

e = 1/2

therefore the value of e in the expression above is evaluated to be equals to 1/2

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Whatcha of the following represent the solution to the given quadratic inequality? y≤-x^2-3x+10?
iren2701 [21]

Answer:

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Step-by-step explanation:

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