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Leto [7]
3 years ago
15

PLEASE HELP!!! (Look at photo)

Mathematics
1 answer:
mr_godi [17]3 years ago
7 0

Answer:

$240

Step-by-step explanation:

You can solve it with a proportion. 2500/75=8000/y;

(2500)y=(8000)(75);

2500y=600000;

y=600000/2500=240;

y=240;

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lawyer [7]

Answer:1) 9*13=117

2)1/2*14(9+15)=168

3)1/2*18*11=99

6 0
3 years ago
Read 2 more answers
Please help with this question?!?
erik [133]

Answer:

416 mi

Step-by-step explanation:

In order to find the surface area, you must find the area of each square. There are a total of 6 that make up the prism.

<em>Remember to find the area it is length x width</em>

  1. 9 x 8 = 72 which is the area for 4 of the squares. 2 on the side and 2 on the bottom
  2. Lastly for the last 2 squares to find the area you multiply 8 x 8 = 64
  3. In total, you will add 72+72+72+72+64+64 which equals 416

3 0
2 years ago
If a = -2.6, what is the value of -a
7nadin3 [17]

if a = -2.6

then -a = -(-2.6)

so -a =2.6

8 0
3 years ago
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Find f(-2) for the function f(x)= 3x2-2x+7
4vir4ik [10]

Answer:

f( - 2) = 23

Step-by-step explanation:

f(x) = 3 {x}^{2}  - 2x + 7 \\ plug \: x =  - 2 \\ f( - 2) = 3 {( - 2)}^{2}  - 2( - 2)+ 7 \\  = 3 \times 4 + 4 + 7 \\  = 12 + 11 \\  \huge \red{ \boxed{ f( - 2) = 23}}

4 0
3 years ago
The population of a town is decreasing at a rate of 3.2% per year. In 2015, there were 14,250 people. What is the first year tha
notsponge [240]
The answer is D
you would set up an equation like this
14,250 x .032
this will give you how much the population is decreasing per year. Which is 456 people per year.
You then take 2015 and find the difference between that number and 2025 and do it with all of the other years too.
For example 2025-2015 is 10 years
You then take 10 x 456 to tell you how much the of population you lost in those 10 years. You will then take that number which is 4,560 and do 14,250-4,560 to get 9,650.
4 0
2 years ago
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