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3 years ago

Which algebraic expression represents “Marcus ran four times as far this week”? 4 + n 4n n – 4

Mathematics

2 answers:

disa [49]3 years ago

5 0

Answer:

The Answer would be 4n

Step-by-step explanation:

Since Marcus ran four times as far this week, we need to know how far he ran last week in order to solve this expression. Since we do not know this information it becomes our variable (n). From the statement we can also infer that there is multiplication since he states the word "times". Therefore our Algebraic Expression would be the following.

P = 4n

P being distance ran by Marcus, and n being distance ran last week by Marcus.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

Lina20 [59]3 years ago

3 0

Answer:

it is 4n i took the test and got 100

Step-by-step explanation:

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3 years ago

F(x) =5x^2-20x+3 how to find minimum

Leya [2.2K]

Answer:

(2,-17) should be the minimum.

Step-by-step explanation:

The minimum of a quadratic function occurs at $x=-\frac{b}{2a}$ . If a is positive, the minimum value of the function is $f(-\frac{b}{2a})$

$f_{min}x=ax^2+bx+c$ occurs at $x=-\frac{b}{2a}$

Find the value of $x=-\frac{b}{2a}$

x = 2

evaluate f(2).

replace the variable x with 2 in the expression.

$f(2)=5(2)^2-20(2)+3$

simplify the result.

$f(2)=5(4)-20(2)+3$

$f(2)=20-40+3$

$f(2)=-17$

The final answer is -17

Use the x and y values to find where the minimum occurs.

HOPE THIS HELPS!

3 0

3 years ago

There are 4 trucks for every 5 cars in a parking lot. How many trucks and cars could be in the parking lot?

Anastasy [175]

The answer is c. 64 divided by 4 is 16 and 8 divided by 5 is 16

7 0

3 years ago

Read 2 more answers

42 /48 in simplest form

zloy xaker [14]

First we need to find the GCF (greatest common factor)

Factors of 42 are:
1, 2, 3, 6, 7, 14, 21, 42

Factors of 48 are:
1, 2, 3, 4, 6, 8, 12, 16, 24, 48

GCF is 6

To simplify you divide numerator and denominator into the GCF

42 ÷ 6 = 7

48 ÷ 6 = 8

42/48 = 7/8

Hope this helps. :)

6 0

3 years ago

If s and t are integers greater than 1 and each is a factor of the integer n, which of the following must be a factor of n st ?

yulyashka [42]

Answer:

A) None

Step-by-step explanation:

1) $s^t$ shoudnt neccesarily be a factor of nst, for example, if s = 3, t = 4, and n = 12, then both s and t are factors of n, but $3^4 = 81$ is not a factor of nst = 144.

2) $(st)^2$ shoudnt neccesarily be a factor of nst. Let s be 4, let t be 6, and let n be 12. Then n is a factor of both s and t, but $(st)^2 = 24^2$ is not a factor of nst = 12*24. In fact, it is a greater number.

3) Again, s+t isnt necessarily a factor of nst, let s be 2 and t be 3. Then both s and t are factor of n = 12. However 5 = s+t is not a factor of nst = 72.

So, neither of the three options is guaranteed to be a factor of nst. In fact, for s = 4, t = 6, and n = 12, none of the three options are valid.

4 0

3 years ago