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3 years ago

PLEASE HELP (NO LINKSS THEY WILL GET REPORTED)

Mathematics

1 answer:

pogonyaev3 years ago

5 0

Answer:

NO it it is wrong because when you when you are finding the volume of something you multiply length switch and also Heights at the same time

Step-by-step explanation:

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The mayor of the city of San Diego wants to increase taxes to invest in a modern transit system. She hires a polling agency to s

sasho [114]

Answer:

Step-by-step explanation:

Part A: What is the population in this survey?

The population in this context is the total number of registered voters in the whole city of San Diego.

Part B: What is the population parameter

The population parameter in this survey is the maximum percentage increase in municipal taxes that they would approve.

Part C: What is the sample in this survey?

The sample in this survey is the randomly selected 650 registered voters in the city.

4 0

4 years ago

Look at the table of values below. x y 1 3 2 7 3 11 Which equation is represented by the table? A. y = 2x + 1 B. y = 3x + 2 C. y

lesya [120]

Answer:

C. y = 4x − 1

Step-by-step explanation:

x y

1 3

2 7

3 11

We can find the slope

m = (y2-y1)/(x2-x1)

= (11-7)/(3-2)

= 4/1

The slope is 4

The only equation with a slope of 4 is

y = 4x − 1

Check a point

(1,3)

y = (4)*1 -1

y=3

Checks so this works

4 0

3 years ago

Write an equation that represents a vertical shrink by a factor of 1/4 of the graph of g(x)=|x|

Lyrx [107]

G(x)= 1/4 |x|
Hope this helps

8 0

3 years ago

Can someone help me with this question

shtirl [24]

I believe its 5 shirts

4 0

3 years ago

A hiker in Africa discovers a skull that contains 32% of its original amount of C-14. find the age of the skull.

ziro4ka [17]

Answer:

9419.3 years.

Step-by-step explanation:

Let the initial amount of C-14 be 100 units.

We have been given that a hiker in Africa discovers a skull that contains 32% of its original amount of C-14. We are asked to find the age of the skull.

We will use half life formula to solve our given problem.

$A=a\cdot(\frac{1}{2})^{\frac{t}{h}}$ , where,

A = Amount left after t years,

a = Initial amount,

t = time,

h = Half life.

We know that half-life of C-14 is 5730 years.

32% of 100 units would be 32.

$32=100\cdot(\frac{1}{2})^{\frac{t}{5730}}$

$\frac{32}{100}=\frac{100\cdot(\frac{1}{2})^{\frac{t}{5730}}}{100}$

$0.32=(0.5)^{\frac{t}{5730}}$

Now, we will take natural log of both sides.

$\text{ln}(0.32)=\text{ln}((0.5)^{\frac{t}{5730}})$

Using log property $\text{ln}(a^b)=b\cdot\text{ln}(a)$ , we will get:

$\text{ln}(0.32)=\frac{t}{5730}\cdot \text{ln}(0.5)$

$\frac{\text{ln}(0.32)}{\cdot \text{ln}(0.5)}=\frac{t\cdot \text{ln}(0.5)}{5730\cdot \text{ln}(0.5)}$

$1.64385618977=\frac{t}{5730}$

$\frac{t}{5730}=1.64385618977$

$\frac{t}{5730}*5730=1.64385618977*5730$

$t=9419.295967$

$t\approx 9419.3$

Therefore, the age of skull is approximately 9419.3 years.

5 0

3 years ago