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3 years ago

14

Question 1 of 10

1 answer:

sergiy2304 [10]3 years ago

6 0

Answer: C. 2 and 3 only

Step-by-step explanation: i did the same quiz

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) Factor 9x² + 6x + 12x + 8.

hram777 [196]

Answer:

(3x+4)(3x+2)

Step-by-step explanation:

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How do u rename on the hour? What does on the hour mean?? Plz help guys I really would appreciate it I will give u 43 points if

Alecsey [184]

For example, if someone says "5, on the hour", it means at 5:00

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a football game has 13 fans for every 7 players. if there are 540 more fans than players. how many players are there

Mademuasel [1]

For this problem, we can set up an equation. We will represent how many players there are as x. This is what our equation would look like:

13/7 = 540/x

Now we can multiply both sides by x:

13x/7 = 540

Now we multiply both sides by 7:

13x = 91

Now we simplify and divide 13 from both sides to get our final answer:

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3 years ago

The population of a heard of cattle numbered was 5000 to begin with and was 10,000 after 10 years. If the population was growing

Lapatulllka [165]

Answer:

$r=0.0718$ . The closest value from your given choices is C)r=0.69

Step-by-step explanation:

To solve this we are using the standard exponential growth equation:

$f(t)=A(1+r)^t$

where

$f(t)$ is the final population after $t$ years

$A$ is the initial population

$r$ is the growth rate in decimal form

$t$ is the time in years

We know from our problem that the initial population is 5000, the final population is 10000, and the time is 10 years, so $A=5000$ , $f(t)=10000$ , and $t=10$ .

Let's replace the values and solve for $r$ :

$f(t)=A(1+r)^t$

$10000=5000(1+r)^{10}$

Divide both sides by 5000

$\frac{10000}{5000} =(1+r)^{10}$

$2=(1+r)^{10}$

Take root of 10 to both sides

$\sqrt[10]{2} =\sqrt[10]{(1+r)^{10}}$

$\sqrt[10]{2} =1+r$

Subtract 1 from both sides

$\sqrt[10]{2}-1=r$

$r=\sqrt[10]{2}-1$

$r=1.0718-1$

$r=0.0718$

We can conclude that the growth rate of our exponential equation is $r=0.0718$ . The closest value from your given choices is C)r=0.69

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4 years ago

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