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Georgia [21]
3 years ago
12

Help . solve for x.

Mathematics
2 answers:
aleksley [76]3 years ago
8 0

Answer:

27

Step-by-step explanation:

3x + 9 = 90

3x = 81

x = 27

bearhunter [10]3 years ago
4 0

Answer:

The correct answer is 1st option 27

Step-by-step explanation:

From the given figure, we get the given angles are right angles.

we get,

3x + 9 = 90

<u>To find the value of x</u>

we have,

3x + 9 = 90

3x = 90 - 9

3x = 81

x = 81/3

x  = 27

Therefore the value of x = 27.

The correct answer is 1st option 27

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15x-(-3x-10)=38x-5(4x-2)
son4ous [18]
15x+3x+10 = 38x-20x+10
18x+10 = 18x+10
18x-18x = 10-10
0 = 0
The equation is true.
8 0
3 years ago
What is the measure of angle x?
Kitty [74]

The two horizontal lines are parallel.

This makes the 80 degree angle and the angle ox x and 20 degrees are alternate interior angles and are the same.

This means x + 20 needs to equal 80.

X = 80-20 = 60 degrees.

8 0
3 years ago
Read 2 more answers
Thomas brings over 1/2 of his marble collection. He divides these marbles equally among 3 friends. What fraction of Thomas's ent
aleksley [76]

Answer:

Each of the three friends will get one-sixth of the Thomas's enitre marble collection.

Step-by-step explanation:

Fraction of the total marble collection brought by Thomas = \frac{1}{2}

Now, Thomas divides these marbles equally among his three friends. So, each of the three friends will get one-third of the total marble collection brought by Thomas.

Fraction of total marble collection got by each friend = \frac{1}{3} \;of\;fraction\;of\;total\;marble\;collection\;brought\;by\;Thomas

= \frac{1}{3}\times\frac{1}{2}=\frac{1}{6}

∴ Each of the three friends of Thomas will get one-sixth of his entire collection of marbles.

7 0
3 years ago
What is the area of a square that has a side length of 4x
Alex17521 [72]
A square with a side length of 4 would have an area of 16 because 4x4 equals 16.
4 0
3 years ago
I don’t know how to set it up nor do it please help me
marusya05 [52]

Answer:

The value of x is 3

Step-by-step explanation:

∵ Quadrilateral ABCD is congruent to quadrilateral JKLM

∴ AB = JK and BC = KL

∴ CD = LM and AD = JM

∵ BC = 8x + 7

∵ KL = 31

∵ BC = KL

→ Equate their right sides

∴ 8x + 7 = 31

→ Subtract 7 from both sides

∵ 8x + 7 - 7 = 31 - 7

∴ 8x = 24

→ Divide both sides by 8 to find x

∴ \frac{8x}{8} = \frac{24}{8}

∴ x = 3

∴ The value of x is 3

8 0
3 years ago
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