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2 years ago

Find the value of X and Y for all three questions. Show your work. Will give brainliest!

Mathematics

2 answers:

Reil [10]2 years ago

5 0

X=8 y=11 for the question 13

vodka [1.7K]2 years ago

3 0

Answer:

(13)

x= 8

y=11

(14)

x= 20

y=20.75

(15)

x=9

y=13

Step-by-step explanation:

(13) 8x-1 = 11x -25

24=3x

x= 8

8(8)-1 +15y-48= 180

15y=165

y=11

(14) 7x-44 + 4x + 4= 180

11x= 220

x= 20

4(20)+4+39= 8y-43

123=8y-43

166=8y

y=20.75

(15) 12x+1=15x-26

3x=27

x=9

28+15(9)-26+4y-9=180

4y=52

y=13

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The measure of one of the small angles of a right triangle is 15 less than twice the measure of the other small angle. Find the

gulaghasi [49]

Answer:

35° and 55°

Step-by-step explanation:

The sum of the angles of a right rectagle is 180°, with a right angle of 90°.

The tell us that A = 2B-15, so:

180° = 90° + A + B

180° = 90° + 2B - 15 + B

180° - 90° + 15 = 2B + B

105° = 3B

B = 105°/3 = 35°

Now, let's find A:

A = 180° - 90° - 35° = 55°

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Answer:

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Step-by-step explanation:

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2 years ago

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n200080 [17]

9514 1404 393

Answer:

(a) no

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Step-by-step explanation:

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2 years ago

Solve the equation. 2x – 3 + 4x = 21 x=-12 x= -6 x = 4 x = 6

WARRIOR [948]

Answer:

x = 4

Step-by-step explanation:

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