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leonid [27]
2 years ago
11

A customer's total cell phone bill this month is $50.50. The company charges a monthly fee of $18 plus five cents ($0.05) for ea

ch call. Use n to represent the number of calls.
Mathematics
2 answers:
Ber [7]2 years ago
8 0
18+0.05n=50.50

50.50-18=32.50
32.50/0.05=650

n=650
Lelu [443]2 years ago
6 0
This will be your equation:

18+.5n.

18 flat fee, .5 (50) cent for every call.
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the chef is making 10.5 batches of dinner rolls. For each batch, he kneaded dough for 0.7 and let the dough rest for 1.6 hours.
Sergeeva-Olga [200]

Answer: 2.7 hours

Step-by-step explanation:

Hi, to answer this question we simply have to calculate the amount of time that takes making one batch of dinner rolls, by adding the individual times of, kneading, resting and baking.  

Mathematically speaking  

0.7 hours +1.6 hours +0.4 hours = 2.7 hours  

It takes 2.7 hours to make each batch of dinner rolls.

6 0
2 years ago
–9x + 10y = –9 whats that in slope intercept form
kirill115 [55]
Slope intercept form is y = mx + b

so make the equation look like that. 

-9x + 10y = -9 ... add 9x on both sides 
10y = -9 + 9x 
10y = 9x - 9 
<span>
y = (9/10)x - (9/10)


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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4 0
2 years ago
Read 2 more answers
Macy plans to buy a TV during the Black Friday Sale. All TV's are advertised as 25% off of the original price, before tax. Which
snow_lady [41]
A because p+ 0.25p is the right answer
3 0
2 years ago
Business services ordered a chair that cost $220.59. Upon arrival they received an invoice for $261.47. If the California sales
sladkih [1.3K]

Answer:

Cost of shipping and handling = $23.453

Step-by-step explanation:

Given

Price of Chair=$220.59

Tax=7.9%

Invoice Price=$261.47

In order to find the cost of shipping and handling, we have to subtract the cost of chair and the tax from the invoice price of chair.

To find the tax,

Tax amount=220.59*0.079

=$17.42661

Now,

Cost of shipping and handling=$261.47-$220.59-$17.42661

=$23.453 ..

6 0
2 years ago
Read 2 more answers
Jika sin x = p, dengan x tumpul, maka cos(x + 60) =​
Novay_Z [31]

Menjawab:

[(√1-p²) -3√p] / 2

Penjelasan langkah demi langkah:

Dari identitas trigonometri, pemuaiannya benar:

Cos (A + B) = cosAcosB-sinAsinB

Menerapkan ini dalam memperluas cos (x + 60).

cos (x + 60) = cosxcos60 - sinxsin60

Jika sinx = p = berlawanan / sisi miring

opp = p, hyp = 1

adj² = 1²-p²

adj = √1-p²

Cos (x) = adj / hyp = √1-p² / 1

Cos (x) = √1-p²

Cos60 = 1/2 dan sin60 = √3 / 2

Mengganti nilai-nilai ini ke dalam rumus

cos (x + 60) = cosxcos60 - sinxsin60

cos (x + 60) = √1-p² (1/2) - p (√3 / 2)

cos (x + 60) = (√1-p²) / 2 - √3p / 2

Temukan KPK tersebut

cos (x + 60) = [(√1-p²) -3√p] / 2

Oleh karena itu cos (x + 60) = [(√1-p²) -3√p] / 2

5 0
2 years ago
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