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vitfil [10]
3 years ago
12

One high speed Internet provider has a $39 setup fee and charges $40 per month. Another

Mathematics
1 answer:
zvonat [6]3 years ago
8 0

Answer:

2.1 months

Step-by-step explanation:

Let x represent the number of months

Set up expressions to represent the cost of each Internet provider

40x + 39 will represent the first one

30x + 60 will represent the other

Set these equal to each other and solve for x:

40x + 39 = 30x + 60

10x + 39 = 60

10x = 21

x = 2.1

So, the cost will be the same in 2.1 months

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PLEASE EEEEE !!!!!!!!!!!! I NEED IT
tino4ka555 [31]

Answer:

1) ∠A=84°

2) ∠C=20°

Step-by-step explanation:

1)

First, find ∠C:

<em>(I'm assuming the exterior angle of 126° makes a straight line with ∠C)</em>

The angles on a straight line always add up to 180. Therefore:

∠C+126=180

∠C=180-126

∠C=54

Then find ∠B:

We also know that all the angles in a triangle add up to 180. Therefore:

∠A+∠B+∠C=180

∠A+∠B+54=180

∠A+∠B=126

<em>(we know ∠A=2(∠B))</em>

2(∠B)+∠B=126

3(∠B)=126

∠B=42

Now, find ∠A:

∠A=2(∠B)

∠A=2(42)

∠A=84°

2)

First, find ∠B:

<em>(Again, I'm assuming the exterior angle of 100° makes a straight line with ∠B)</em>

The angles on a straight line always add up to 180. Therefore:

∠B+100=180

∠B=180-100

∠B=80

Then find ∠A:

We also know that all the angles in a triangle add up to 180. Therefore:

∠A+∠B+∠C=180

∠A+80+∠C=180

∠A+∠C=100

<em>(we know ∠A=4(∠C))</em>

4(∠C)+∠C=100

5(∠C)=100

∠C=20°

6 0
3 years ago
Which graph of ordered pairs shows a proportional relationship?
Zanzabum

Answer:

honestly man im stuck on the same one on edg

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Suppose you would like to save P9000 invested at 8% compounded quarterly for 5 years and 6 months. (Note: Round off your answer
Sever21 [200]

Answer:

a) 13913

b) 4913.82

Step-by-step explanation:

The compound interest formula is given by:

A(t) = P(1 + \frac{r}{n})^{nt}

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

In this question:

Investment of 9000, so P = 9000

Interest rate of 8%, so r = 0.08

Compounded quarterly, so n = 4

5 years and 6 months, that is, 5 years and half, so t = 5.5

(a) How much would the value of her savings at the end of the term?

A(t) = P(1 + \frac{r}{n})^{nt}

A(5.5) = 9000(1 + \frac{0.08}{4})^{4*5.5} = 13913.82

(b) How much is the interest earned by your savings?

The amount subtracted by the principal. So

13913.82 - 9000 = 4913.82

5 0
3 years ago
Here is the full question
salantis [7]
There's 10 letters in volleyball. 4 of them are l's. So 4/10.
Fraction: 4/10
Decimal: 0.4
Percent: 40%

Hope this helps! :)
8 0
3 years ago
Read 2 more answers
after 1 year on the job M got a raise from $10.50 to $11.13 per our. What was the percent increase of her hourly wage
N76 [4]
The answer is 6% increase

6 0
3 years ago
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