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3 years ago

What the answer now to the question

Mathematics

1 answer:

Lostsunrise [7]3 years ago

8 0

Step-by-step explanation:

Hello!!!

Given, VXW is a Right angled triangle where WV =4 and XV =5.

now, by taking reference angle as angle W, and using tangent we get;

p=5

b=4

again, 

tan thita =p/b

tan thita = 5/4

so, tan thita =1.25.

now, to find angle W, we should do tan thita inverse;

or, (tan thita)-1= tan thita-1(1.25)

or, (tan thita) -1 =51.3401°.

Now, by rounding off we get,

tan thita (angle W )= 51°.

Hope it helps....

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ratelena [41]

Answer:

rom the relation for linear regression formula, Y = b·X + a, we have ;

For car 1

ΣXY = 102780

(ΣX)² = 36

ΣX = 6

ΣY = 52390

ΣX² = 14

N = 3

b = -1000

a = 19463

Y = -1000×X + 19463

For Car 2

ΣXY = 102539.8

(ΣX)² = 36

ΣX = 6

ΣY = 52346.6

ΣX² = 14

N = 3 .

b = -1076.7

a = 19602

Y = -1076.7×X + 19602

Step-by-step explanation:

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3 years ago

The heaviest land animal ever recorded (according to the Guinness Book of World Records) was a male African bush elephant. He we

tino4ka555 [31]

Answer:

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4 years ago

During 2021, equipment was sold for $470000. The equipment cost $782000 and had a book value of $439000. Accumulated Depreciatio

algol [13]

Answer:

$149,000

Step-by-step explanation:

Subtract acc depreciation for 2020 from acc deprecitation in 2021 and it gives you the depreciation expense solely for 2021.

4 0

3 years ago

If a student sleeps 7 hours what percent of a 24 hour day is that

kumpel [21]

SOLUTION:

= ( 7 / 24 ) × 100%

= 29.16% ( with reciprocal of 6 )

Hope this helps! :)
Have a lovely day! <3

5 0

4 years ago

I dont know the answers to this question please tell me the x and y

Eddi Din [679]

Answer:

x = -5
y = 5

Step-by-step explanation:

=> -7x - 2y = 25

-4x - 9y = -25

=> 4(-7x - 2y = 25)

7(-4x - 9y = -25)

=> -28x - 8y = 100

-28x - 63y = -175

=> 55y = 275
=> y = 5

Now, let's substitute the value of y into the first equation.

=> -7x - 2y = 25
=> -7x - 2(5) = 25
=> -7x - 10 = 25
=> -7x = 35
=> x = -5

Now, let's check our answer to make sure our answer is correct.

Check:

-4x - 9y = -25
=> -4(-5) - 9(5) = -25
=> 20 - 45 = -25
=> -25 = -25

Hence, this is proved correct.

Hoped this helped.

$BrainiacUser1357$

3 0

2 years ago