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ICE Princess25 [194]
3 years ago
15

A phone plan costs $10 per Month, +.03 per text message. John wants his phone bill to be less than $40, before taxes. What is th

e maximum number of text messages John can send
Mathematics
1 answer:
masha68 [24]3 years ago
5 0

Answer:

The maximum number of text message John can send is 100

Step-by-step explanation:

Given as :

The phone bill of the John = $ 10 per month + $ 0.3 per text message

John want his bill amount to be less than $ 40

Let The maximum number of text message John can send = n

According to question

The total bill amount = The cost of phone plan + rate of text message

I.e  $ 10 per month + $ 0.3 × maximum number of text message = $ 40

or, $ 0.3 × n = $ 40 - $ 10

Or, $ 0.3 × n = $ 30

∴  n = \frac{30}{0.3}

I.e n = 100

So,  The maximum number of text message John can send = n = 100

Hence The maximum number of text message John can send is 100 Answer

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The table below shows the number of invertebrates found in a tide pool. Find the ratio of crabs to the total number of invertebr
Kitty [74]
The ratio is 9:52. Meaning there is 9 crabs in the tide pool compared to all other invertebrates in the tide pool (including crabs). Crabs are also probably higher on the food chain because there is less of them, meaning they require more food then the other invertebrates.
Hope this helps!
4 0
3 years ago
The circumference of a standard bowling ball is about 27 in. To the nearest unit, how many square inches is the surface area of
Sidana [21]
The surface area of a sphere is S=4 \pi  r^{2} where r is the radius;
The circumference is 2 \pi r=27 in so that r= \frac{27}{2 \pi }=4.5 in using this value we can evaluate the surface area of 1 ball as:
S=4 \pi r^{2} =4 \pi  (4.5)^{2} =254.3  in^{2}
For 100 ball you get: 100*254.3=25430  in^{2}


4 0
3 years ago
Help please, I’m confused and could you please explain the best you can do I understand? Thank you so much if you decide to help
ElenaW [278]

A ray is basically a line that has a "fixed point" on one end (this would be represented by a shaded circle on one end) and the opposite end goes to infinity (this would be represented by an arrow). The first image below is an example of a ray.

When writing rays out you must write it like in the third image below. Note that there is a "ray" on top of the "letters". The letter that signifies the end point (In the example below this would be "A") is under the side that has NO arrow symbol, and the letter that signifies the continues end is under the side of the ray that HAS the arrow. In other words the "formula" for writing out rays is:

End point; infinite end

We must find four rays with the endpoint E. This means that the "fixed point" must be E and the other end must continue indefinitely.

In the second image below I have colored each ray with the end point E in a different color.

First we have the ray EA (I don't know how to make the ray symbol on here so just assume that above EA the arrow looks like so: --->)

Next is ray EG (again the symbol above EG is --->)

Next is the ray ED (symbol above ED is --->)

Finally EF is a ray with the end point E (symbol above EF is --->)

When looking at the answer choices the only two that even use the correct symbol is B and C.

The issue with option C is that the end point (E) doesn't come first when they wrote it out.

That makes the answer B!

Hope this helped!

~Just a girl in love with Shawn Mendes

~Just a girl in love with Shawn Mendes

4 0
3 years ago
Read 2 more answers
Helllllllllllilllllyyeneyneyn
Deffense [45]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
PLEASE ANSWER ASAP
Vlada [557]

Answer:

c

Step-by-step explanation:

For an inverse function you take f(x) and turn that to y then you switch x and y. So you should start off with y= 5x -8. so then you switch x and y so x= 5y - 8. So then you solve. You subtract 8 from both sides and divide by 5 and you get F(x) inverse = x + 8/5

8 0
3 years ago
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