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Mariana [72]
3 years ago
14

Please help for 16 points NO WRONG ANSWERS PLEASE ​

Mathematics
1 answer:
Sedbober [7]3 years ago
5 0

Answer:

x = 30, x = 5 and x = 9

Step-by-step explanation:

The diagonals of a square are perpendicular bisectors of each other, so

∠ AEB = 90° , then

3x = 90 ( divide both sides by 3 )

x = 30

---------------------------------------------------------

(9)

The 4 angles of a square are right and the diagonals bisect the angles, then

∠ BAC = 45° , so

9x = 45 ( divide both sides by 9 )

x = 5

-------------------------------------------------------

(10)

All sides are congruent , so

CD = AB , that is

3x - 5 = 2x + 4 ( subtract 2x from both sides )

x - 5 = 4 ( add 5 to both sides )

x = 9

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Determine the number of possible triangles, ABC, that can be formed given A = 30°, a = 7, and b = 18.
zzz [600]

Answer:

none

Step-by-step explanation:

We are given a triangle ABC with ∠A = 30°, sides a = 4 and b = 10.

According to the 'Law of Sines- Ambiguous Case', we have,

If a < b×sinA, then no triangle is possible.

If a = b×sinA, only one triangle is possible

If a > b×sinA, two triangles are possible.

So, we have,

b×sinA = 10 × sin30 = 10 × 0.5 = 5.

Now, as

4 = a < bsinA = 5.

We get, according to the rule, no triangle is possible.

8 0
2 years ago
PLEASE HELP ME ASAP :D
Ivanshal [37]

Answer: The answer is 5^5.

Step-by-step explanation:I don't know

sorry for taking so long

i got this from my sis and she just didn't give me an explanation.

3 0
1 year ago
HELP ASAP WILL GIVE BRAINLIEST PLEASE
Vlad1618 [11]

Answer is B  Mr James


Lets convert all the fractions, percentages to decimals:_

Mr James:  5/8 = 0.625

Miss Smith: 0.61

Mrs Lawson: 9/16 = 0.5625

Mr Tosh: 0.58

Mrs Cagle 0.53

So Mr James corrected the most homework.




8 0
4 years ago
Read 2 more answers
What does Evaluate each expression mean?
Sedbober [7]
The answer is to solve each expression.
3 0
3 years ago
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There are 165 children taking swimming lessons at the pool . If 10 children will be assigned to each instructor, how many instru
olchik [2.2K]
Okay so 165 kids 
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just divide 165 by 10 ? 
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4 years ago
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