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kakasveta [241]
3 years ago
6

Find the length of BC. A) 8 B) 12 C) 16 D) 18

Mathematics
2 answers:
Kitty [74]3 years ago
5 0
B

6/4=18/X
6x= 72
X=12

Or you can say 4+4+4=12
Ilia_Sergeevich [38]3 years ago
3 0
GEF~CBF, because <F is general and <GEF=<CBF=90°. => GE:CB=EF:BF=6:18=1:3
GE:CB=1:3
4:CB=1:3
CB=12
The answer is B
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If she needs to keep $500 in her account and she just wrote a check for $65.99 she needs to deposit $41.24 to be at $500 when the $65.99 is withdrawn.
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3 years ago
The flagpole in Terry's schoolyard is 42 ft tall. On a sunny day, the flagpole casts a shadow 20 ft long. What is the angle of e
Len [333]

Answer:

64.5°

Step-by-step explanation:

angle of elevation is the angle from the point where the shadow ends. this create a right angle triangle. using tan, you can find the angle.

tan theta = opposite/adjacent

angle = tan^-1(42/20)

angle = 64.5°

4 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
Alexxandr [17]

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5 0
2 years ago
Read 2 more answers
Allen practiced the guitar 1 1/4 hours today he practiced 2/3 of an hour before lunch.how long did he practice after lunch
avanturin [10]

Answer:

The answer is 35.

Step-by-step explanation:

1 and 1/4 hours total.  2/3 was performed before lunch. You need to find how long he practiced after lunch. So first you need to find a common denominator (CD) because the denominators aren't the same. When you find the CD for 1 and 1/4 you need to make it an improper fraction (IF) because it's a mixed number. When you do that you get 5 multiplied by 3 and then 4 multiplied by 3 doing this is helping you find the CD of 5/4 which happens to equal 15/12. Next you do the same for 2/3 but this time you multiply 2 by 4 and then 3 by 4 and in this case 2/3 now equals 8/12. Now you can work with finding how much Allen performed after lunch. To find this you need to subtract 15/12-8/12 to find how long he performed after lunch when you do that you get 7/12 hours which is equal to 35 minutes.

6 0
3 years ago
What is x's value 4x+4y=44 y=2x+2
frosja888 [35]

Answer: x = 11 + y

Step-by-step explanation: Simplifying

4x + -4y = 44

Solving

4x + -4y = 44

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4y' to each side of the equation.

4x + -4y + 4y = 44 + 4y

Combine like terms: -4y + 4y = 0

4x + 0 = 44 + 4y

4x = 44 + 4y

Divide each side by '4'.

x = 11 + y

Simplifying

x = 11 + y

7 0
3 years ago
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