I need help w this soon
I need help w this soon - 1

Answers

Answer 1
Answer:

Answer:

18

Step-by-step explanation:

Answer 2
Answer:

Answer:

18 because it's asking for the tw


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ladt month you used 125 minutes and your bill was $37.50. this month you used 175 minutes. how much was will your home phone bill be this month

Answers

Answer: $52.5

Step-by-step explanation:

Given : Last month you used 125 minutes and your bill was $37.50.

i.e. Charges for each minute used =(37.50)/(125)=\$0.3

i.e. it charges $0.3 for each minute home phone used.

If this  month you used 175 minutes.

Then , your this month's  home phone bill will be :-

175*0.3=\$52.5

Hence, you month home phone bill will be $52.5 .

so 37.50/125=0.3

0.3*175=52.5

so his bill is $52.50

(2,?) is on the line 4x – 5y = -7. Find the other half of the coordinate.

Answers

this is the work I did

Sally needs to have some drywall and insulation work done in her house. She has received a quote from a professional drywall contractor to complete her repairs for $1,200. Her neighbor Steve says he can complete the same job for $800. Sally could use a credit card to pay the contractor, but Steve can only accept cash. Sally’s credit card has a 14% APR for credit purchases and a 32% interest rate for cash advances. Expecting to pay $50 of the principle plus appropriate interest each month, Sally estimates that it would take her 24 months to pay off the contractor balance and 16 months to pay off the cash advance balance. In the end, would it be cheaper for Sally to hire the contractor or her neighbor to complete the repairs?

Answers

Answer:

Sally can chose Steve to work with.

Step-by-step explanation:

We will calculate EMI for both the contractor and Steve.

Contractor:

EMI formula = (p*r*(1+r)^(n) )/((1+r)^(n)-1 )

p = 1200

r = 14/12/100=0.0116

n = 24

Putting values in formula we get,

(1200*0.0116*(1.0116)^(24) )/((1.0116)^(24)-1 )

= $57.62

So, for $1200 at 14% for 24 months, Sally would have to pay $57.62 per month, or 57.62*24 = $1382.88 after 24 months.

Steve:

Similarly putting these values : (p=800, r=32/12/100= 0.0266 and n=16) in above formula we get, $62.08 per month or 62.08*16= $993.28 after 16 months.

Hence, even with the higher interest rate, Sally would pay:

1382.88-993.28 = $389.60 less if she chooses to work with Steve.

Though the monthly payments are almost same for the given timelines, still Sally can chose Steve.

It said the correct answer was the contractor 

Mandy is trying to subtract 7 − 12, and she has asked you for help. How would you explain the process of solving the problem to Mandy, using a number line?

Answers

Answer:

Answer in explanation

Step-by-step explanation:

We can use a number line to explain this subtraction.

The first thing to do is to locate the number 7 on the number line. This should be located to the right of the number line.

Then, since we are subtracting, we need to count left from the position of interest. So we will count 12 integers to the left of 7.

If things are right, we would land at -5

If it was a case of addition, we will need to keep counting right from the position of origin

Answer:

-5 am sorry Dear I ca'nt sed a pic , I didn't see the option

YALL I NEED HELP LIKE RIGHT NOW PLZWrite the equation for the line shown below in slope-intercept form.
13
от
4
3
2
-1
2
3
4
-2
-3
4
Bi

Answers

-1/1 because it goes to the left once and up once so it will be one over one but it’s one the left side so it will turn negative so it will be negative one over one

Answer:

y=3x+4

Step-by-step explanation:

y=mx+b where m is the slope and b is y-intercept

y= (3/1)x+4

3 sinx + 4 cosx = 5

Answers

3sinx+4cosx=5
     => 3/5 sinx +4/5 cosx = 1
     let cosA=3/5   => sinA=4/5
     =>  cosAsinx + sinAcosx = 1
     =>  sin(x+A) = 1
Now,
       4sinx - 3cosx
  =   5(4/5sinx - 3/5 cosx)     [multipying numerator and denominator by 5]
  =   5(sinAsinx - cosAcosx)
  =   -5{cos(x+A)} = -5[root{1-(sin(x+A)^2)}] = -5 x 0 = 0          Ans 0
 
TRICK: if asinx+bcosx is given then multiply numerator and denominator by root(a^2 +b^2)
            this method is useful  in many questions