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3 years ago

How does a digit in the ten thousands place compare to a digit in the thousands place?

1 answer:

8 0

The digits in the ten-thousands place is 10,000 times the value of a digit, right? For example, 10,000 is 10,000 times 1, and one is a mere digit. The thousands place follows the same rule, with 1,000 being 1,000 times 1. Ergo, when compared, you could think of it as 10,000/1,000 = 10. We can think of this as a digit in the ten-thousands place is 10 times the value of the same digit in the thousands place.

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What are the possible rational zeros for f(x)=3x^4+x^3-13x^2-2x+9?

zaharov [31]

Answer:

Option 4 (±1, ±1/3, ±3, ±9) is the correct option.

Step-by-step explanation:

The given expression is $f(x)=3x^{4}+x^{3}-13x^{2}-2x+9$

We have to find the possible rational zeros for the function.

So by the rational zero theorem factors will be

=±(Factors of constant term 9)/±factors of coefficient of $x^{4}$

=±(Factors of 9)/±(Factors of 3)

=±(1, 3, 9)/±(1, 3)

=±(1, 3, 9, 1/3)

So option 4 is the correct answer.

4 0

3 years ago

the ratio of cars to trucks on the parking lot is 2:3 there are 24 trucks on the lot what is the total number of vehicles on the

SVEN [57.7K]

x=16

Explanation

the ratio is 2:3

it means for every 2 cars, there are 3 trucks

Now, it the total of trucks is 24,the proportion must be the same, so

Step 1

Let

x represents the number of cars for 24 trucks

$\frac{\text{2 cars}}{3\text{ trucks}}=\frac{x}{24\text{ trucks}}$

Step 2

solve for x

$\begin{gathered} \frac{\text{2 cars}}{3\text{ trucks}}=\frac{x}{24\text{ trucks}} \\ 2\cdot24=3\cdot x \\ x=\frac{2\cdot24}{3} \\ x=\frac{48}{3} \\ x=16 \end{gathered}$

Hence, the answer is 16

4 0

1 year ago

If f(x) = √ x + 11, what is f (20)?

mylen [45]

Answer:

2sqrt(5)+11

Step-by-step explanation:

f(x)=sqrt(x)+11

f(20)=sqrt(20)+11

f(20)=sqrt(4*5)+11

f(20)=sqrt(4)*sqrt(5)+11

f(20)=2*sqrt(5)+11

8 0

3 years ago

A baseball is thrown with a vertical velocity of 50 ft/s from an initial height of 6 ft. The height h in feet of the baseball ca

Bad White [126]

Vertex is highest point

ok so the t value of the vertex of a function in the form
f(x)=at^2+bt+c is
-b/2a

find t value
h(x)=-16t^2+50t+6
a=-16
b=50
-50/(2*-16)=1.5625
round
1.6 seconds
max height
input 1.6 for t and evaluate (for more precice, input 1.5625 for t)

max height is 45 feet

seems to be
b=initial velocity
c=intial height

a=-16
eqation is
h(t)=-16t^2+70t+5
vertex is -70/(2*-16)=2.1875
input for t to get max height
82 feet

answers are

1.6 seconds
45 feet
82 feet

4 0

3 years ago

12 5/8- 8 7/8= whatttttttttttttttttt?

Gwar [14]

Answer:

Step-by-step explanation:

8 0

2 years ago