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Andrew [12]
4 years ago
14

HELP ME PLEASE!!!!!!!!!!

Mathematics
1 answer:
NeTakaya4 years ago
8 0

Answer: #1=674

#2= 21

#3= 21 3/4

Step-by-step explanation:

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PLEASE HELP the formula m=12,000+12,000rt/12t gives keri's monthly loan payment where t is the annual interest rate and t is the
tatiyna

Answer:

The answer is below

Step-by-step explanation:

The formula m = (12,000 + 12,000rt)/12t gives Keri's monthly loan payment, where r is the annual interest rate and t is the length of the loan, in years. Keri decides that she can afford, at most, a $275 monthly car payment. Give an example of an interest rate greater than 0% and a loan length that would result in a car payment Keri could afford. Provide support for your answer.

Answer: Let us assume an annual interest rate (r) = 10% = 0.1. The maximum monthly payment (m) Keri can afford is $275. i.e. m ≤ $275. Using the monthly loan payment formula, we can calculate a loan length that would result in a car payment Keri could afford.

m=\frac{12000+12000rt}{12t}\\ but\ m\leq275, \ and \ r=10\%=0.1\\275= \frac{12000+12000(0.1)t}{12t}\\275= \frac{12000}{12t} +\frac{12000(0.1)}{12t}\\275= \frac{1000}{t} + 100\\275-100= \frac{1000}{t} \\175= \frac{1000}{t} \\175t = 1000\\t= \frac{1000}{175}\\ t=5.72\ years

The loan must be at least for 5.72 years for an annual interest rate (r) of 10%

3 0
3 years ago
A submarine descends 45 1/2 feet from the ocean surface, clinbs 39 ft, and then descends an additional 18 3/4 ft. What must the
tekilochka [14]
The answer is fill its tanks with air so it floats to the top, but I will solve for the distance since I am nice

so we do
decent means negative
cimb=positive
add

decends 45 and 1/2
-45 and 1/2

climbs 39
+39

decedns 18 and 3/4
-18 and 3/4

add
-45 and 1/2+39-18 and 3/4
add
convert 1/2 to 2/4
gropu negatives
-45 and 2/4-18 and 3/4+39
add
-63 and 5/4+39
-64 and 1/4+39
-25 and 1/4
that is how far dow the submarine is
so the submarine needs to gu 25 and 1/4 ft up to reach the csurface
7 0
3 years ago
Jessie says to round 763,400 to the nearest ten thousand, he will round to 770,000 is he right ? explain
weqwewe [10]

For this case we have the following definition:

ten thousand place: number of five digits whose absolute value is greater than zero.

Then, we have the following rounding rule:

1) If the previous number is greater than or equal to five, then the next number increases by one unit.

2) If the previous number is less than or equal to five, then the next number remains the same.

We then have the following number:

763,400

Rounding to the nearest ten thousand we have:

760,000

Answer:

Jessie is wrong. The correct answer is:

760,000

3 0
3 years ago
Read 2 more answers
As a large truck fills its gas tank, the volume of gas, in gallons, can be modeled with the linear function v = 4.8m + 8.2, wher
jek_recluse [69]

Step-by-step explanation:

Step one:

given data

we are told that the expression is

v = 4.8m + 8.2

where  v is the volume of gas and

            m is the number of minutes it has been filling.

Step two:

Required

<em>Asumming the volume is in Liters</em>

the interpretation of the terms in the expression for the volume

4.8 means that  for every minute 4.8L of gas enters the gas tank

hence the rate of filling is 4.8L/min

8.2 means that there is 8.2L of gas already in the tank before the filling started.

3 0
3 years ago
Element X decays radioactively with a half life of 11 minutes. If there are 790 grams of Element X, how long, to the nearest ten
leva [86]

Answer:

47.34158

rounded to the nearest tenth of a minute: 47.3

3 0
3 years ago
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