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olasank [31]
2 years ago
9

Lisa wants to measure the height of a tree. She walks exactly 50 feet from the base of the tree and looks

Mathematics
1 answer:
charle [14.2K]2 years ago
8 0

Answer:

E

Step-by-step explanation:

E

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Work out the percentage change to 2 decimal places when a price of £57.99 is decreased to £49.99.
IRISSAK [1]

Answer:

Percentage change in price = 13.80%

Step-by-step explanation:

Given that:

Original price = £57.99

Decreased price = £49.99

Difference = Original price - Decreased price

Difference = 57.99 - 49.99

Difference = £8.00

Percent change = \frac{Difference}{Original\ price}100

Percent change = \frac{8.00}{57.99}*100

Percent change in price = 13.80%

Hence,

Percentage change = 13.80%

5 0
3 years ago
zacharias is using the quadratic formula to solve the equation 0 = –2x2 5x – 3. he begins by substituting as shown. quadratic fo
Mice21 [21]
<span>the equation -2x² + 5x -3=0, we notice that the sum of the coefficient equals 0, -2+5-3=0, if such a case happens, the solution of the previous equation will be, x=1 (always) and x= c/a, a=-2, and c=-3, so x=-3/-2, finally, the answer is: the 2 in the denominator should be -2</span>
6 0
3 years ago
Read 2 more answers
75bdivided by 230 need this answer to
hammer [34]

Answer:

                                   0.32608696

Step-by-step explanation:

5 0
3 years ago
Practice solving quadratic equations.
goldfiish [28.3K]

Answer:

x=4, 3/2

Step-by-step explanation:

3(x-4)(2x - 3) = 0

Using the zero product property

x-4 = 0    2x-3 =0

x=4           2x = 3

                    x = 3/2

8 0
3 years ago
Read 2 more answers
Can someone solve for x??
miskamm [114]

Sum of interior angle of polygon: S = (n-2) * 180°,

where n is number of sides and where S is total degrees.

With 6 sides, n = (6-2)*180 = 720°

Then set all of the interior equations equal to the sum, or

720 = 5x + 4x+2 + 5x+6 + 2x-2 + 3x+5 + x-10

720 = 20x + 1

719 = 20x

x = \frac{719}{20} = 35.95

7 0
3 years ago
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