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PtichkaEL [24]
3 years ago
10

In multiplication if one term is negative and one term is positive the results will always be

Mathematics
2 answers:
Rina8888 [55]3 years ago
7 0
The results will always be negative.
Cerrena [4.2K]3 years ago
5 0
Hey there!

The answer is negative. In multiplication, if one term is negative and one term is positive, then the results will always be negative. For example, 2 x -1= -2. -3 x 4 =-12.

I hope this helps!
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A ladder is leaning against a building so that the distance from the ground to the top of the latter is 1 foot less than the len
masha68 [24]

Answer:

25\text{ feet}

Step-by-step explanation:

The ladder, ground, and building form a right triangle where the vertical distance between the top of the ladder and the bottom of the ground is one leg, the horizontal distance between the bottom of the ladder and the building is another leg, and the length of the ladder is the hypotenuse.

For any right triangle, the Pythagorean Theorem states that the sum of the squares of both legs is equal to the hypotenuse squared (a^2+b^2=c^2), where c is the hypotenuse.

Let the length of the ladder be \ell (hypotenuse of right triangle). The distance between the top of the ladder and the ground (vertical distance) can be represented as \ell -1.

From the Pythagorean Theorem, we then have:

7^2+(\ell-1)^2=\ell^2

Expand using (a-b)^2=a^2-2ab+b^2:

49+\ell^2-2\ell+1=\ell^2

Subtract \ell from both sides and add 2\ell to both sides:

49+1=2\ell

Combine like terms:

50=2\ell, \\2\ell =50

Divide both sides by 2:

\ell=\frac{50}{2}=\boxed{25\text{ feet}}

Therefore, the length of the ladder is 25 feet.

4 0
3 years ago
A chess player played 112 games.If he won40 what is the ratio of lost games to won games?
ycow [4]
If he won 40, then he lost 112-40 or 72 games. 
Ratio= lost/win
Ratio=72/40
72/40

Hope this helps :)
8 0
3 years ago
A pole is made to lean against a wall. The base of the pole is placed 7 feet
Brums [2.3K]

Answer:

22.14

Step-by-step explanation:

Using the Pythagorean Theorem:

a^2 + b^2 = c^2

21^2 + 7^2 = c^2

441 + 49 = c^2

490 = c^2 (square root both sides so c^2 becomes c)

c = 22.13594363 (round to hundredths)

c = 22.14

6 0
3 years ago
Read 2 more answers
Choose the correct simplification of (9x3y2)2
egoroff_w [7]

\bf (9x^3y^2)^2\implies \stackrel{\textit{distributing the exponent}}{(9^2x^{3\cdot 2}y^{2\cdot 2})}\implies 81x^6y^4

6 0
3 years ago
im almost done with this hw. plz help!!! give explanation if you actually know the answer so ik u dont just want points
tester [92]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
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