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Licemer1 [7]
3 years ago
7

Subtract. −139.6−140.03 Enter your answer in the box.

Mathematics
2 answers:
Rudiy273 years ago
5 0

- 139.6 - 140.03 = 279.63

SSSSS [86.1K]3 years ago
3 0

Answer:

-279.63

Step-by-step explanation:

−139.6−140.03=-279.63

This is the correct answer.

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Can someone help me how would you eliminate the “y”
saw5 [17]

Answer:

Multiply by 3 -> 3(x - y = 6)

Step-by-step explanation:

Cuz since the 2nd is positive 3y

u need a negative 3y to get rid of it

3(x - y = 6)

2x + 3y = 7

3x - 3y = 18

2x + 3y = 7

5x/5 = 25/5

x = 5

5 - y = 6

-5          -5

-y/-1= 1/-1

y = -1

(5,-1)

8 0
3 years ago
PLEASE HELP PICTURE IS SHOWN
Drupady [299]
D
K is the second letter in the first triangle and N is the second letter in the other triangle
3 0
4 years ago
Combine the like terms to create an equivalent expression: <br>-5+(-5r) + 10​
Serjik [45]

Answer:

-5r+5

Step-by-step explanation:

-5+(-5r)+10

-5-5r+10

-5r-5+10

-5r+5

5 0
3 years ago
Read 2 more answers
Lim x→π/2 1-sinx/cot^2x<br>any genious help please ​
Simora [160]

Rewrite the limand as

(1 - sin(<em>x</em>)) / cot²(<em>x</em>) = (1 - sin(<em>x</em>)) / (cos²(<em>x</em>) / sin²(<em>x</em>))

… = ((1 - sin(<em>x</em>)) sin²(<em>x</em>)) / cos²(<em>x</em>)

Recall the Pythagorean identity,

sin²(<em>x</em>) + cos²(<em>x</em>) = 1

Then

(1 - sin(<em>x</em>)) / cot²(<em>x</em>) = ((1 - sin(<em>x</em>)) sin²(<em>x</em>)) / (1 - sin²(<em>x</em>))

Factorize the denominator; it's a difference of squares, so

1 - sin²(<em>x</em>) = (1 - sin(<em>x</em>)) (1 + sin(<em>x</em>))

Cancel the common factor of 1 - sin(<em>x</em>) in the numerator and denominator:

(1 - sin(<em>x</em>)) / cot²(<em>x</em>) = sin²(<em>x</em>) / (1 + sin(<em>x</em>))

Now the limand is continuous at <em>x</em> = <em>π</em>/2, so

\displaystyle\lim_{x\to\frac\pi2}\frac{1-\sin(x)}{\cot^2(x)}=\lim_{x\to\frac\pi2}\frac{\sin^2(x)}{1+\sin(x)}=\frac{\sin^2\left(\frac\pi2\right)}{1+\sin\left(\frac\pi2\right)}=\boxed{\frac12}

4 0
3 years ago
A right square has a height of 13 centimeters and a base of 16.4 centimeters what the area of the triangle
leonid [27]

Answer:

106.60 cm^2

Step-by-step explanation:

A triangle is a three-sided polygon with three edges and three vertices. the sum of angles in a triangle is 180 degrees

Area of a triangle = 1/2 x base x height

1/2 x 13 x 16.4 = 106.60 cm^2

8 0
3 years ago
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