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Kay [80]
1 year ago
5

Explain and Answer!!!!

Mathematics
2 answers:
avanturin [10]1 year ago
8 0
The area of the composite figure is 610 cm squared
Gnom [1K]1 year ago
4 0

Divide the arrow into upper triangle and lower rectangle

area of triangle :-

\frac{1}{2}  \times base  \times height

\frac{1}{2}  \times 20 \times (15 + 8 + 8)  \\  \frac{1}{2}  \times 20 \times 31 = 310

area of rectangle :-

length \:  \times  \: width \\ 15 \times 20 = 300

add both the area :-

area of triangle+ area of rectangle = area of arrow

310 + 300 = 610 cm²

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Lori deposited $480 into a savings account. She earns 5.5% interest each year. What will be her new balance new balance after th
Firdavs [7]
$264 is the annual interest therefore $744 is the balance in year 1
5 0
2 years ago
Graph then line that represents the equation y=-2/3x +1 ?
Aleksandr [31]
First, you would start on the orgin (0,0), and move up 1. You should now be at (1,0) make a point here
Next, you will move down 2. You should now be at (-1,0)
Finally, you move right 3.

You should now be at (-1,3)
Make a point

Hope this helps!
7 0
3 years ago
I got the first part but cant figure out the second, help would be appreciated
azamat

Answer:

see explanation

Step-by-step explanation:

look at the explanation& answer photo

6 0
2 years ago
70% of kids who visit a doctor have a fever, and 40% of kids who visit a doctor have a sore throat. If the probability that a ki
krek1111 [17]

Answer:

52.5%

Step-by-step explanation:

Let A be kids who have a fever, and B be kids who have a sore throat, so

Based on the given information we have

P(A) = 70%, P(B) = 40%, and P(B|A) = 30%   (B|A is read as "B given A", which means probability of B happening given that A has already happened)

We are asked to find P(A|B), the probability of a kid having a fever given that we already know he has a sore throat.

Step 1:  First find P(A and B), this is the probability of a kid having both a fever and a sore throat.  We use the formula

        P(B|A) = P(A and B)/P(A)    

We have 2 of these values listed above, so we plug them in...

       30% = P(A and B)/70%

 This give us a value for P(A and B) which equals 21%  [multiply both sides by 70% to isolate P(A and B), (30%)(70%) = 21%]

Now we flip the equation to P(A|B), which is

     P(A|B) = P(A and B)/P(B)

We have 2 of the values, so we plug them in...

     P(A|B) =  21%/40%

  This gives us a value of 52.5%   (divide 21% by 40%)  

6 0
3 years ago
Kyle made a down payment of $850 towards his car loan. He will be paying $415 every month for 24 months. What will the car cost
Len [333]

The answer is B because the formula would be 850+(415*24) and the sum of that would be 10810.

5 0
3 years ago
Read 2 more answers
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