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maw [93]
3 years ago
12

Help...........................................................................................

Mathematics
1 answer:
Gala2k [10]3 years ago
8 0

Answer:

How much the tree grew a week

Step-by-step explanation:

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Robert took out an 80/20 mortgage to buy a $145,000 house. The first (80%) mortgage has an interest rate of 4.75%, and the secon
barxatty [35]
<h3>Answer:</h3>

$808.38

<h3>Explanation:</h3>

The formula for the payment amount (A) on principal P at interest rate r compounded monthly for a loan period of t years is ...

... A = P(r/12)/(1 -(1 +r/12)^(-12t))

For the main loan, the payment is ...

... A = 0.80·145000·(.0475/12)/(1 -(1 +.0475/12)^(-12·30)) = 605.11

For the piggyback loan, the payment is ...

... A = 0.20·145000·(.07525/12)/(1 -(1 +.07525/12)^(-12·30)) = 203.27

So, the total of monthly payments for the two loans is ...

... $605.11 +203.27 = $808.38

5 0
3 years ago
Let X be the random variable representing the number of calls received in an hour by a 911 emergency service. A portion of the p
ivolga24 [154]

For any distribution, the sum of the probabilities of all possible outcomes must be 1. In this case, we have to have

P(X=0)+P(X=1)+P(X=2)+P(X=3)+P(X=4)=1

We're told that p=P(X=1)=P(X=2), and we're given other probabilities, so we have

0.25+2p+0.10+0.05=1\implies2p=0.6\implies p=0.3

The expected number of calls would be

E[X]=\displaystyle\sum_xx\,P(X=x)

E[X]=0\,P(X=0)+1\,P(X=1)+\cdots+4\,P(X=4)

E[X]=1.4

6 0
2 years ago
Shown here is the graph of which inequality? Please can’t figure it out I need SOME HELP
Annette [7]

Hey there!

Three points to keep in mind!

  • The given options are in standard form: ax+by=c
  • The line is a solid line, hence, the possible outcomes would be ≤ or ≥
  • The shaded part is above the line, hence, the symbol would be ≥

First, let's find the slope:

Slope : (y2-y1)/(x2-x1)

Slope : (0-3)/(2-0)

Slope : -3/2

Looking at line, we know that the y-intercept is 3 b=3

Slope intercept form:

<em>y≥(-3/2)x+3 </em>

Let's now convert this into a standard form:

<em>(3/2)x+y≥3 </em>

<em>Multiplying all the sides with 2: </em>

<em>Remember that the coefficient of 'x' shall not be negative or a fraction!</em>

<em>3x+2y≥6 </em><em>is the final answer!</em>

5 0
3 years ago
Read 2 more answers
Riley is 3 years older than his sister Which of the following represents the sum of their age? A-3s B-s+3 C-2(s+3) D-2s+3
Rainbow [258]
It's D-2s+3  have a nice day

4 0
3 years ago
When Gail goes on a hike, she always packs a ratio of 20 protein bars to 15 water bottles in her backpack.
stealth61 [152]

Answer:

4 protein bars

Step-by-step explanation:

if we divide the 15 water bottles by 5 we get 3 water bottles. This is how many she took so following the same scale factor we would then divide 20 by 5 and get 4.

7 0
3 years ago
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