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Leokris [45]
3 years ago
5

Which equation has the solution x = 9? Select each correct answer.

Mathematics
2 answers:
Leto [7]3 years ago
4 0
The 2nd and 4th one are correct answers! Hope this helps! ;)
labwork [276]3 years ago
3 0

The answer is the second one and the fourth one.

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In ΔSTU, the measure of ∠U=90°, the measure of ∠T=79°, and US = 9.1 feet. Find the length of TU to the nearest tenth of a foot.
il63 [147K]

Answer:

Step-by-step explanation:

tan(79°) = US/TU = 9.1/TU

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What is the expression in factored form?
fredd [130]
9x² - 12x + 4

write the equation with two middle terms that multiply to give 36
9x² - 6x - 6x + 4

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4 0
3 years ago
Find the solution of the system of equations 3x+4y=10 and x−y=1. Give the x value followed by the y value, separated by a comma
GREYUIT [131]

Answer:

Solution of the system is (2,1).                                                          

Step-by-step explanation:

We are given the following system of equation:

3x+4y=10\\x - y = 1

We would use the elimination method to solve the following system of equation.

Multiplying the second equation by 4 and adding the two equation we gwt:

3x + 4y = 10\\4\times (x-y = 1)\\\Rightarrow 4x - 4y = 4\\\text{Adding equations}\\3x + 4y + (4x-4y) = 10 + 4\\7x = 14\\\Rightarrow x = 2\\\text{Substituting value of x in second equation}\\2 - y = 1\\\Rightarrow y = 1

Solution of the system is (2,1).

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I Disagree............................

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