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3 years ago

Need help on this

Mathematics

1 answer:

Stolb23 [73]3 years ago

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15.12m2 just finished the test

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A self own company charges $40 per month +0.05 cents for each text message sent.Select expression is there a percent of cost in

kondaur [170]

<h3>The monthly cost of cell phone is A = 40 + 0.005 m</h3>

Step-by-step explanation:

The monthly fixed charges by mobile company = $40

The cost of sending each text message = 0.05 cents

Now, 100 cents = 1 dollar

⇒ 1 cent =$ $(\frac{1}{100} )$

⇒ 0.05 cent s =$ $(\frac{1}{100} \times 0.05) =0.0005$

Also, the number of text messages send = m

So, the cost of sending m text message = m x ( cost of 1 text )

= m x ( $ 0.0005) = 0.0005 m

Now, Total bill = Fixed rate + cost of m texts

⇒ A =$40 + $ 0.0005 m

Hence, the monthly cost of cell phone is A = 40 + 0.005 m

7 0

3 years ago

The probability of an adverse reaction to the flu shot is 0.15. Let r be the number of people stuffering a reaction from a flu s

shtirl [24]

Stuffering?
what are you asking???

5 0

3 years ago

a container of candy is shaped like a cylinder and has a volume of 125.6 cubic centimeters. If the heights of the container is 1

Elenna [48]

The radius of the container is 2 centimeter

<h3><u>Solution:</u></h3>

Given that a container of candy is shaped like a cylinder

Given that volume = 125.6 cubic centimeters

Height of conatiner = 10 centimeter

To find: radius of the container

We can use volume of cylinder formula and obatin the radius value

<em><u>The volume of cylinder is given as:</u></em>

$\text {volume of cylinder }=\pi r^{2} h$

Where "r" is the radius of cylinder

"h" is the height of cylinder and $\pi$ is constant has value 3.14

Substituting the values in formula, we get

$\begin{array}{l}{125.6=3.14 \times r^{2} \times 10} \\\\ {r^{2}=\frac{125.6}{31.4}} \\\\ {r^{2}=4}\end{array}$

Taking square root on both sides,

$r = \sqrt{4}\\\\r = 2$

Thus the radius of the container is 2 centimeter

4 0

3 years ago

Identify the correct ways to classify ∠1 and ∠4 in the figure shown below.

lapo4ka [179]

They are adjacent and complementary.
Next to each other and add up to 90 degrees.

4 0

3 years ago

Read 2 more answers

Which phrase best describes this polygon?

EleoNora [17]

Answer:

Concave octagon

Step-by-step explanation:

Concave octagon:

This polygon has 8 sides. So it is a octagon.
If one interior angle measures more than 180, then it is concave polygon.

So, this is a concave octagon

8 0

1 year ago