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forsale [732]
2 years ago
13

Solve this equation please −5×(−2)=?

Mathematics
2 answers:
hram777 [196]2 years ago
6 0

Answer:

10

Step-by-step explanation:

−5×(−2)=?

a negative times a negative equals a positive so

-5 x -2 = 10

damaskus [11]2 years ago
4 0

Answer:

10

Step-by-step explanation:

use distributive property

-5*-2

negative plus a negative gives you a positive

10

pls mark me brainliest

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Please help me ill put the question up for a lot of point, and i will mark as brainliest!!!
sattari [20]

Step-by-step explanation:

(2x³y^-4)^-2 = 1/(4x⁶y^‐8) = y⁸/(4x⁶)

1/(8x⁵y^-7) = y⁷/(8x⁵)

4x^-9y⁴ = 4y⁴/x⁹

so, the whole expression is then

y⁸/(4x⁶) × y⁷/(8x⁵) × 4y⁴/x⁹

4y¹⁹/(32x²⁰) = y¹⁹/(8x²⁰)

so, D is the correct answer.

6 0
2 years ago
Completely factor the polynomial below.
Blizzard [7]
The first step for solving this expression is to write 6q as a difference.
8q² + 10q - 4q - 5
Now factor out 2q from the first part of the expression (8q² + 10q).
2q × (4q + 5) - 4q - 5
Extract the negative sign from the second part of the expression (-4q - 5).
2q × (4q + 5) - (4q + 5)
Lastly,, factor out 4q + 5 from the expression to find your final answer.
(4q + 5) × (2q - 1) 
This means that the correct answer to your question is (4q + 5) × (2q - 1),, or option D.
Let me know if you have any further questions.
:)
7 0
2 years ago
When using the rational root theorem, which of the following is a possible root of the polynomial function below f(x)=x^3-5x^2-1
uranmaximum [27]

Answer:

\Large \boxed{\sf \ \ 7 \ \ }

Step-by-step explanation:

Hello, please consider the following.

The polynomial function is

x^3-5x^2-12x+14

The rational root theorem states that each rational solution

   x=\dfrac{p}{q}    

, written in irreducible fraction, satisfies the two following:

   p is a factor of the constant term

   q is a factor of the leading coefficient

In this example, the constant term is 14 and the leading coefficient is 1. It means that p is a factor of 14 and q a factor of 1.

Let's proceed with the prime factorisation of 14:

14 = 2 * 7

Finally, the possible rational roots of this expression are :

   1

   2

   7

   14

and we need to test for negative ones too

   -1

   -2

   -7

   -14

From your list, the correct answer is 7.

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

7 0
3 years ago
Show if √5×√5×√8 is rational or irrational numbers​
kobusy [5.1K]
√5 x√5 x√8= √(5x5x8) = √200 = 10 √2
It’s an irrational number
8 0
1 year ago
Read 2 more answers
Jessica picks tomatoes in her garden. She fills several bags. This line plot shows the weight of each bag.
Strike441 [17]

Answer:

3/4 lb

Step-by-step explanation:

Lightest: 3 3/4

Heaviest: 4 1/2 = 4 2/4

4 2/4 - 3 3/4 = 18/4 - 15/4 = 3/4

3 0
2 years ago
Read 2 more answers
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