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BigorU [14]
3 years ago
7

Find the product mentally. (2 m - 9)^ 2

Mathematics
1 answer:
Slav-nsk [51]3 years ago
5 0
The answer to the question is 4m^2 - 36m + 81
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For a certain map, the scale shows that 1 cm on the map equals 2.50 km on earth's surface. two towns on the map are 4.75 cm apar
Julli [10]
<span>In this problem, to find the answer we have to setup a series of ratios that relate the scale to real life distance. We know that 1cm = 2.50km, so that ratio would be 1cm/2.5km. For two towns that are 4.75cm apart on the map, we set a ration of 4.75cm/x km, where x is the actual distance. Now we set the ratios equal to each other and solve for x. 1/2.5=4.75/x where x = 4.75*2.5/1 = 11.875 and rounding up we get 11.88 km. The two towns are actually 11.88 km apart from each other.</span>
3 0
3 years ago
I need help on this question
Irina18 [472]

To find the surface area of the figure , we need to add the surface area of all the faces

So the surface area of figure = Area of two lateral rectangular faces + Area of two triangular faces + area of base

hence

Surface Area of figure = 2(10*15) + 2( 1/2 * 8 * 12) + (12*15)

= 300 + 96 + 180

= 576 square feet

So correct option is the last one

7 0
3 years ago
10. What is the value of the function f(x) = 7x when x = 0.75 ?
melomori [17]

Answer:

7(0.75) = 5.25

f = 7

Step-by-step explanation:

7 0
3 years ago
Please help me with these questions
Alina [70]
1 is : d>-9
2 is: k ≥ -18
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4 is: n<-40
5 is: w ≤3
That should be correct.

7 0
3 years ago
Read 2 more answers
If you roll a 6-sided die 54 times, what is the best prediction possible for the number of times you will roll an even number?
Harman [31]

Answer:

50% of the time (27 times) you will get an even number

6 0
3 years ago
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