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Aleksandr [31]
3 years ago
8

Find the area. 7 m 4 m 4 m square meters

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

Answer:

gianas

Step-by-step explanation:

antetekumpo the nba rocket fuel

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please help I'm not good at math. What is the equation of the line that has a slope of -4 and passes through the point (2, 3)?
harkovskaia [24]

Answer

y=-4x-1

Step-by-step explanation:

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2 years ago
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(Please help) What is the rate of change of y with respect to x?
dolphi86 [110]

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7 0
3 years ago
Let sin A= -3/5 with 270°&lt; A&lt; 360°. Find the following.<br> sin A/2
GREYUIT [131]

Answer:

1/sqrt10

Step-by-step explanation:

1) Find out cosA using formula (cosA)^2+(sinA)^2=1

The module of cosA= sqrt (1- (-3/5)^2)= sqrt 16/25=4/5

So cosA=-4/5 or cosA=4/5.

Due to the condition 270degrees< A<360 degrees, 0<cosA<1 that's why cosA=4/5.

2) Find sinA/2 using a formula cosA= 1-2sinA/2*sinA/2 where cosA=4/5.

(sinA/2)^2= 0.1

sinA= sqrt 0.1= 1/ sqrt10 or sinA= - sqrt 0.1= -1/sqrt10

But 270°< A< 360°, then 270/2°<A/2<360/2°

135°<A/2<180°, so sinA/2 must be positive and the only correct answer is

sin A/2= 1/sqrt10

6 0
3 years ago
There are 47 contestants at a national dog show. How many different ways can contestants fill the first place, second place, and
xxTIMURxx [149]

Answer:

97290

Step-by-step explanation:

47 different people can win first

47

Now there are only 46 people left

46 different people can win second

46

45 different people can win third

47*46*45

97290

3 0
3 years ago
NEED HELP ASAP!
LUCKY_DIMON [66]
I think it is A but I'm not really sure
6 0
3 years ago
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