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Arturiano [62]
3 years ago
9

Martin says that 1/3 + 1/6=2/9 Use the drop-down menus to explain why Martin is incorrect. Martin is incorrect because is incorr

ect ​
Mathematics
1 answer:
Nana76 [90]3 years ago
5 0

Answer:

A. is incorrect. He has to divide 76 by 19, instead of subtracting 19 to 76.

B. This equation has one solution. v=4

Step-by-step explanation:

Hi, Martin’s answer is incorrect.

A. He has to divide 76 by 19, instead of subtract 19 to 76.

The correct steps are:

19v = 76  

Since 19 is multiplying the variable, to eliminate it we have to divide by 19.

v = 76/19

v = 4

B. This equation has one solution. It’s v=4

Feel free to ask for more if needed or if you did not understand something.

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Verify the identity. <br> tan (x + pi/2) = -cot x
Leno4ka [110]
\tan\left(x+\dfrac\pi2\right)=\dfrac{\sin\left(x+\frac\pi2\right)}{\cos\left(x+\frac\pi2\right)}=\dfrac{\sin x\cos\frac\pi2+\cos x\sin\frac\pi2}{\cos x\cos\frac\pi2-\sin x\sin\frac\pi2}=\dfrac{\cos x}{-\sin x}=-\cot x
5 0
3 years ago
A. Find the totals for each team after two games.
andre [41]
A.
Team 1: (1) + (-3) = 1 - 3 = -2
Team 2: (4) + (-5) = 4 - 5 = -1
B.
Team 2 is winning after two games, as -1 is greater than -2.
C. 
Team 1: (-3) + (1) + (-4) + 4 = -2
Team 2: (4) + (-5) + (9) + (-9) = -1 
No, the results would be the exact same. This is because both Team 1 and Team 2 got scores in game 3 and game 4 that add up to a total of 0, so the only scores that affected the final scores are that from Game 1 and Game 2.

Hope this helped!
3 0
4 years ago
A: 42.4<br> B: 80.2<br> C: 92.8<br> D: 101.6
Vlad1618 [11]

Answer:

B. 80.2 square inches

Step-by-step explanation:

This figure is a composite figure made up of two rectangles (see attachment).

The area of a rectangle is denoted by: A = lw, where l is the length and w is the width.

In the top rectangle, the length is 3 and the width is 10.2, so A = 3 * 10.2 = 30.6 square inches.

The length of the bottom rectangle is 8 and the width is 6.2, so the area is A = 8 * 6.2 = 49.6 square inches.

Add these together: 30.6 + 49.6 = 80.2 square inches.

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3 years ago
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-4x≤28

Divide 4 both sides

-x≤7

x≥-7

A

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State the horizontal asymptote of the rational function. For full credit, explain the reasoning you used to find the horizontal
Klio2033 [76]

to find the vertical asymptote, set the denominator equal to zero and solve for x.

to find the horizontal asymptote, only evaluate the terms in the numerator and denominator that have the biggest exponent. Use the following rules (m is the exponent of the numerator and n is the exponent of the denominator):

m > n, then y = ∞ so there is no asymptote

m = n, then simplify the coefficients to determine the asumptote

m < n, then y = \frac{1}{infinity} so the asymptote is y = 0

\frac{x^{2} + 3x - 2}{x - 2}

m = 2, n = 1 ⇒ m > n so y = ∞

Answer: there is no horizontal asymptote

7 0
3 years ago
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