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Svetlanka [38]
2 years ago
10

Solve by factorisation 2x^2+3x-20=0

Mathematics
1 answer:
kiruha [24]2 years ago
3 0

Answer:

(2x-5)(x+4)

....................

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6 0
3 years ago
14+14p=21 solve for p
11Alexandr11 [23.1K]

Answer: 0.5

Step-by-step explanation: In this problem, we're asked to solve the following equation for <em>p. </em>Let's first switch 14 and 14p around so we have 14p + 14 = 21.

<em />

To solve this equation for <em>p</em>, we must first isolate the term containing <em>p</em> which in this case is 14p.

Since 14 is being added to 14p, we need to subtract 14 from both sides of the equation.

14p + 14 = 21

        -14   -14

On the left side of the equation, the positive 14 and negative 14 cancel each other out and we have 14p. On the right side of the equation, we hav 21 - 14 which gives us 7.

Now we have the equation 14p = 7.

Since <em>p</em> is being multiplied by 14, to get <em>p</em> by itself, we divide both sides of the equation by 14.

On the left side of the equation the 14's cancel and we are left with <em>p</em>. On the right side of the equation, 7 divided by 14 is 0.5 which is our answer.

Therefore, p = 0.5 which is the solution for our equation.

Remember, you can always check your solution by substituting a number in for a variable to make sure the equation is true.

6 0
3 years ago
Plssssss help me I don’t understand this!!!
tatyana61 [14]

Answer:

D. 375

Step-by-step explanation:

this is the answer because the distance you need to travel doesn't change based off the amount of gas you have

4 0
2 years ago
Find the total cost of $52 shoes; 2.9%tax
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Tax is:
$52* (2.9/100)= $1.51

$52+ $1.51= $53.51

The total cost (including tax) is $53.51~
4 0
3 years ago
The regular price for a pair of shoes is $48. The store is having a buy one get one off sale. If you buy 2 pairs of shoes for th
Lynna [10]
10 because 40 - 8 would be 37 and there are 37 shoes therefore that's your answer
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3 years ago
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