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Lesechka [4]
3 years ago
11

Confusion .. help please

Mathematics
1 answer:
bixtya [17]3 years ago
5 0

Answer:

2

Step-by-step explanation:

We are to determine the value of KM which is adjacent to angle 35. we also have the value for the hypotenuse. Thus we would use COS

Cos 35 = adjacent /hypotenuse

0.8192 = adjacent / 123

adjacent = 0.8192 x 123 = 100.7557 cm

100.8 cm

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

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What is 12% of 85 im having a hard time with this question
professor190 [17]
The answer is 10.2.
Since it's a percentage, you move the decimal two places to the left which gives you 0.12. Then, you multiply that by 85 and you get 10.2.
3 0
3 years ago
Sebastian has 10 apps on his ipad. He discovers 3/4 of the apps are learning games.How many learning games are on sebatians ipad
mars1129 [50]

Answer:

Three fourth's of 10 is 7.5 if you round that up there are 8 learning games are on Sebastian's ipad

Step-by-step explanation:

7 0
3 years ago
Х-y=5<br> x-2y=3<br><br> Can someone help me
tatiyna
First multiply -1 on the top to cancel X

It will give u:

-X+Y=-5
X-2Y=3 which gives u

y=2

Now, plug in the y (one of the equation it doesn’t matter which one) to solve for X

X-2=5
X=7
7 0
3 years ago
The model n(T)= 2^t represents the number of bacteria in a petri dish after c hours
Sergeeva-Olga [200]

Answer:

1024

Step-by-step explanation:

n(10) =2^10

n(10) = 1024

6 0
2 years ago
Which equation represents a like that passes through (4,1/3) and has a slope of 3/4?
elixir [45]
The slope intercept form is y = mx + b
you need to find the equation that has a slope of 3/4 and passes through (4,1/3)

Plug in the given into the equation
y = 3/4x + b
to solve for the y-intercept, plug in the given coordinate that the line passes through

1/3 = 3/4(4) + b
1/3 = 3 + b
subtract 3 from both sides 
-8/3 = b

now back to the slope intercept equation
y = mx + b
plug in the slope and y-intercept
y = 3/4x - 2 2/3
or 
y = 3/4x - 8/3


Hope this helps :)
7 0
3 years ago
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