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3 years ago

11

What should I do ?? how do I do it

2 answers:

aev [14]3 years ago

6 0

Answer:

D

Step-by-step explanation:

national cell= 0.15t+5

world wireless= .19t

its asking for when world wireless is cheaper so

0.19t< 0.15t +5; t<125

adelina 88 [10]3 years ago

6 0

Answer:

d

Step-by-step explanation:because you need to remember that the flat fee is 5.00 so as long as you dont send 5.00 worthof texts with world wireless you save money vs having national cell .19t needs to be less than .15t+5 so d is the only logical anwer

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Solve for x. 4x−3+2x2−9=1x+3 −173 −5 133 193

AnnyKZ [126]

Answer:

-1711005

Step-by-step explanation:

using BODMAS that implies you multiplication(M),before addition(A), then substraction(S) which comes last.

use the above rule to get the variable without letter only.

so ( 2*2)+(-3)=1

then 1-9=8, this part is for the left hand side which gives us 4x-8.

then the right hañd side 3-173-5133193 not including the variable with the letter x.now we have:1x-5133023.

so now

4x-8=1x-5133023

collect like terms

4x-1x=-5133023+8

3x=-5133015

divide both side by 3

x= -1711005

3 0

3 years ago

Can you join my kahoot about constant of proportionality please? the code is 3742450.

MAVERICK [17]

Answer:

sure

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Which expression is equivalent to (f g) (5)?

gladu [14]

Answer:

f(5).g(5)

Step-by-step explanation:

(fg)=(f.g)

this is how it starts: (fg)(X)= f(x) [g(x)]

x=5

f(5).g(X)

6 0

3 years ago

The ratio of the corresponding side lengths of two similar iPhones is 4 : 3. The area of the larger iPhone is 8 square inches. W

ollegr [7]

Answer:

The area of the smaller iPhone is $4.5in^2$

Step-by-step explanation:

It was given that the ratio of the corresponding side lengths of two similar iPhones is 4 : 3.

The scale factor that can be used to calculate the corresponding sides of the bigger iPhone, when the length of the smaller iPhone is known is

$k=\frac{4}{3}$

The scale factor for the area is

$k=\frac{16}{9}$

Let the area of the smaller iPhone be S.

Then $\frac{16}{9}\times S=8$

Then $S=8\times \frac{9}{16}$

Then $S=4.5in^2$

5 0

3 years ago

The speed of light is approximately 299,800,000 m/s. How many hectometers will light travel in

frosja888 [35]

Answer:

To start with, we have to define the value of a hectometer. The question says that

a meter = 0.01 hectometer. This means that

a hectometer = 100 meter.

If the speed of light is 299,800,000 m/s, then converting to hectometer, we have the speed of light to be 2,998,000 hm/s

Going further, we are going to convert seconds to month.

1 minute = 60s

1hr = 60 min = 60 * 60 s = 3,600s

1 day = 24hrs = 3,600s * 24 = 86,400s

1 month = 31 days = 86,400 * 31 = 2,678,400s

this gotten value of 2,678,400 seconds is then multiplied by the hm/s we have earlier

2,998,000 * 2,678,400 = 8,029,843,200,00 hm/m or in standard form as

8 x $10^{12}$ hm/m

More example on conversion can be seen here brainly.com/question/11947673

5 0

3 years ago