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n200080 [17]
1 year ago
13

Please help The factors of -18 are listed in the table …

Mathematics
1 answer:
pav-90 [236]1 year ago
8 0

Answer:

x= -2 and 9

Step-by-step explanation:

x ^{2}  + 7x - 18

factorize it

- 18 = 2×3×3

TO MAKE IT 7

3×3=9

9-2 =7

x ^{2}  + 9x - 2x - 18x = 0

x(x+9)-2(x+9)=0

x-2=0 ,x+9=0

x =2 x=-9

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Answer:

- Translation

Step-by-step explanation:

Movement of a rigid object from one place to another without any turning is "translation." If the object also changes its orientation angle, then rotation is involved.

4 0
3 years ago
What number is 25 precent of 20?
exis [7]

<em>Answer,</em>

125%

<u><em>Hope this helps :-)</em></u>

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how much water must be added to a 9-liter solution that contains 3% extract on baneberry to get a solution that contains 2% extr
yuradex [85]

Answer:

Amount water added = 4.5 L

Step-by-step explanation:

Given:

Amount of solution = 9 L

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Computation:

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6 0
2 years ago
I have no idea. Please I need just answers. Thank you. ​
igomit [66]

Answer:

Step-by-step explanation:

1km = 1000m

5a. 5.768km = 5768m = 57.7m

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5c. 8.48km = 8480m = 84.8m

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To round to the nearest 100m just divide by 100 and then round it off. like 57.68=57.7m because 8 is more than 5 so 6 becomes 7 to one decimal.

Rule is applied for all the other questions too.

3 0
3 years ago
A rectangle with a length of L and a width of W has a diagonal of 10 inches. Express the perimeter P of the rectangle as a funct
KatRina [158]
<h2>Answer:</h2>

The expression which represents the perimeter P of the rectangle as a function of L is:

          Perimeter=2(L+\sqrt{100-L^2})

<h2>Step-by-step explanation:</h2>

The length and width of a rectangle are denoted by L and W respectively.

Also the diagonal of a rectangle is: 10 inches.

We know that the diagonal of a rectangle in terms of L and W are given by:

10=\sqrt{L^2+W^2}

( Since, the diagonal of a rectangle act as a hypotenuse of the right angled triangle and we use the Pythagorean Theorem )

Hence, we have:

10^2=L^2+W^2\\\\i.e.\\\\W^2=100-L^2\\\\W=\pm \sqrt{100-L^2}

But we know that width can't be negative. It has to be greater than 0.

Hence, we have:

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Now, we know that the Perimeter of a rectangle is given by:

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Here we have:

Perimeter=2(L+\sqrt{100-L^2})

7 0
3 years ago
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