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kodGreya [7K]
3 years ago
15

Subtract. 5/1/10-2 9/10 Write your answer as a mixed number in simplest form.

Mathematics
1 answer:
Ahat [919]3 years ago
8 0

Answer:

= 2 \frac{1}{5}

Step-by-step explanation:

5 \frac{1}{10}  - 2 \frac{9}{10}  \\  \frac{51}{10}  -  \frac{29}{10}  \\  =  \frac{22}{10}  \\  = 2 \frac{2}{10}  \\  = 2 \frac{1}{5}

hope this helps

brainliest appreciated

good luck! have a nice day!

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I NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!
dalvyx [7]

Answer:

−b4+2b2+35

Step-by-step explanation:

b2+5)(−b2+7)

=(b2)(−b2)+(b2)(7)+(5)(−b2)+(5)(7)

=−b4+7b2−5b2+35

5 0
3 years ago
Increase 840 in the ratio 2 : 3​
Iteru [2.4K]

Ratios be 2x and 3x

\\ \rm\longmapsto 2x+3x=840

\\ \rm\longmapsto 5x=840

\\ \rm\longmapsto x=\dfrac{840}{5}

\\ \rm\longmapsto x=168

Now

  • 2x=2(168)=336
  • 3x=3(168)=508
3 0
3 years ago
Read 2 more answers
Ellie buys a mobile phone in spain for €352.50. Her brother jack buys an identical phone from japan for ¥39856. Using exchange r
Nonamiya [84]

Answer:

The answer to your question is: Japan

Step-by-step explanation:

Mobile cost in Spain = € 352.5

Mobile cost in Japan = ¥39856

Exchange rate = £1 = €1.41

                           £1 = ¥188

Cost of mobile in pounds

                       £ 1 ------------------ € 1.41

                        x  -----------------   €352.5

                       x = (352.5 x 1) / 1.41

                       x= £250

                      £1   ------------------  ¥188

                      x    ----------------- -¥ 39856

                     x = (39856 x 1) / 188

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Then, it was cheaper in Japan

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I don’t know tbhhh .
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faltersainse [42]

Answer:

In a quadratic equation of the shape:

y = a*x^2 + b*x + c

we hate that the discriminant is equal to:

D =  b^2 - 4*a*c

This thing appears in the Bhaskara's formula for the roots of the quadratic equation:

x = \frac{-b +-\sqrt{b^2 - 4ac} }{2a}

You can see that the determinant is inside a square root, this means that if D is smaller than zero we will have imaginary roots (the graph never touches the x-axis)

If D = 0, the square root term dissapear, and this implies that both roots of the equation are the same, this means that the graph touches the x axis in only one point, wich coincides with the minimum/maximum of the graph)

If D > 0 we have two different roots, so the graph touches the x-axis in two different points.

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