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3 years ago

Answer the following questions CORRECTLY I will know if this is wrong. I WILL REPORT ANY INCORRECT ANSWERS!

1 answer:

5 0

Answer by JKismyhusbandbae: A bar graph because they are used a lot to compare the sizes of categories and it would show the countries different populations telephones per every 1000 people.

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Can someone help me with this?

Nesterboy [21]

Answer:

36000pi

Step-by-step explanation:

The volume of a sphere is given by

V = 4/3 pi r^3

We know the surface area

SA = 4 pi r^2

3600 pi = 4 pi r^2

Divide each side by 4pi

3600 pi / 4pi= 4 pi r^2/4pi

900= r^2

Take the square root of each side

30 = r

Now substitute into the equation for volume

V = 4/3 pi r^3

= 4/3(pi) (30)^3

=36000pi

4 0

3 years ago

Factor 2x^2 -15x + 27

Eduardwww [97]

(X-3)(2x-9) that would be the answer

8 0

3 years ago

In 1987 the average price of gasoline was $0.94. Today the price of gas is about $3.00. What is the percent increase from 1987 t

aleksklad [387]

Answer:

219.15% (2DP)

Step-by-step explanation:

The difference between 0.94 and 3 is 2.06

Percentage change = (change in value/ original amount) X100.

(2.06/0.94) X 100

Which equals 219.15%

The price of gas has increased by 219.15%

3 0

3 years ago

-18:45

musickatia [10]

Answer:

it would be a

Step-by-step explanation:

5 0

3 years ago

Your cell phone plan charges you $.02 to send a text message and $.07 to recieve a text message. You plan to spend no more than

Anna35 [415]

Answer:

(a) $Y = \frac{2}{7} X+\frac{500}{7}$

(b) Here the intercept means that we pay $\frac{500}{7}$ more than $\frac{2}{7} X$ for each text message received

75 text messages sent and 50 messages received

180 text messages sent and 20 messages received

Step-by-step explanation:

Here we have

X×0.02 + Y×0.07 = 5

Therefore the equation is

$Y = \frac{2}{7} X+\frac{500}{7}$

b. Here the intercept means that we pay $\frac{500}{7}$ more than $\frac{2}{7} X$ for each text message received

c. Other combinations are

145 text messages sent and 30 messages received

75 text messages sent and 50 messages received

180 text messages sent and 20 messages received.

4 0

3 years ago