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Makovka662 [10]
3 years ago
5

On a trip that took 10 hours, Mark drove 2 fewer hours than Mary. How many hours did Mary drive?

Mathematics
2 answers:
faltersainse [42]3 years ago
7 0
8 because 10 - 2 is 8
alina1380 [7]3 years ago
5 0

Answer:

7 hours

Step-by-step explanation:

Because ten minus two is seven

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Factor 10x^3 8x^2 - 6x. (<br> a.2x(5x 4x - 3) (<br> b.2x(5x 4x^2- 3) (<br> c.2x(5x^2 4x - 3)
Semmy [17]
You have to look at the equation and find a common factor bettween all parts. SO, we see they all have an x, so that is the first thing you can factor out. They also have 
2x(5x2 4x -3) C

4 0
3 years ago
How do organism replace dead or injured cells? Organisms can take cells from other organisms. Organisms are limited to the amoun
Gnoma [55]

Answer: Organisms go through mitosis that allows new identical cells to be made.

explanation:

mitosis also occures when cells are worn out or are injured and the mitosis will replace the injured cells

8 0
3 years ago
An investment pays 4.6% annual interest compounded monthly. If $3100 is
elena55 [62]

Answer:

I think it's 2566.8 if 4.6 is taken out of the account annually. I think that is what it is asking.. I'm only 13 so I'm not great at these yet but it should be right because I'm really good at math

Step-by-step explanation:

3 0
3 years ago
5. Given (x + 1) and (x-3) are factors of P(x) = x4-5x³-7x² + cx + d. Determine the values
Iteru [2.4K]

By concepts of polynomials and systems of linear equations, the constants c and d of the expression p(x) = x⁴ - 5 · x³ - 7 · x² + c · x + d are 29 and 30.

<h3>How to determine the missing coefficients of a quartic equation</h3>

A value x is a root of a polynomial if and only if p(x) = 0. We must replace the given equation with the given roots and solve the resulting system of <em>linear</em> equations:

(- 1)⁴ - 5 · (- 1)³ - 7 · (- 1)² + (- 1) · c + d = 0    

- c + d = 1      (1)

3⁴ - 5 · 3³ - 7 · 3² + 3 · c + d = 0    

3 · c + d = 117       (2)

The solution of this system is c = 29 and d = 30.

By concepts of polynomials and systems of linear equations, the constants c and d of the expression p(x) = x⁴ - 5 · x³ - 7 · x² + c · x + d are 29 and 30.

To learn more on polynomials: brainly.com/question/11536910

#SPJ1

4 0
2 years ago
Does someone know what 1/2 - 3 1/3 = is
photoshop1234 [79]

Answer:

-9.83333

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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