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Bezzdna [24]
3 years ago
12

Please help asap! Due tonight!

Mathematics
2 answers:
Contact [7]3 years ago
4 0

Answer:

A, \sqrt{17}

Step-by-step explanation:

a^2 + b^2 = c^2

8^2 + b^2 = 9^2

64 + b^2 = 81

b^2 = 17

b = \sqrt{17}

Jet001 [13]3 years ago
3 0

Answer:

by pythagoras theorem

9² = 8² + x²

x² = 81 - 64

x² = 17

x = root 17

option A

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What is the approximate circumference of a semicircle with a radius of 35 inches?
kakasveta [241]

If it were a complete circle, its circumference would be

             (π) x (diameter) = (π) x (2R)  =  70 π inches .

Since it's only half of the circle, the length of the curved part is

                              70 π / 2  = 35 π  =  <em>109.9 inches</em> .


3 0
3 years ago
Read 2 more answers
Last month Albert earned half of what Betty earned, while Betty earned $5000 more than what Calvin earned. If Donna earned twice
irinina [24]

Answer:

Calving earning = 4400

Betty earning = 9400

Albert earning = 4700

Donna = 8800

Step-by-step explanation:

Given that :

Calving earning = c

Betty earning = c + 5000

Albert earning = (c + 5000) /2

Donna = 2c

c + 5000 + (c + 5000) /2 = 900 + c + 2c

c + 5000 + 0.5c + 2500 = 900 + 3c

1.5c + 7500 = 900 + 3c

7500 - 900 = 3c - 1.5c

6600 = 1.5c

c = 6600 / 1.5

c = 4400

Calving earning = c = 4400

Betty earning = 4400 + 5000 = 9400

Albert earning = (4400 + 5000) /2 = 4700

Donna = 2(4400) = 8800

5 0
3 years ago
1/4 x + 1/6 x = x-7.
weeeeeb [17]

Answer:

x=12

Step-by-step explanation:

Simplify both sides by adding like terms

5/12x=x-7

subtract x from both sides

-7/12x=-7

multiply both sides by 12/-7

x=12

5 0
3 years ago
What is 9-3y=x I don't know this one
torisob [31]
The answer is 
y= - x-9/3 I believe.
1- Subtract 9 from both sides.
-3y = x - 9
2- Divide both sides by -3
y = - x-9/3
4 0
4 years ago
Read 2 more answers
Applicants for a job first submit a written application. Based on the written applications, 40% of the applicants are invited fo
Alex Ar [27]

Answer:

option b is correct answer

Step-by-step explanation:

probability=P(invited for interview)*P(rejected in 1st round)=0.40*0.58=0.232.

7 0
3 years ago
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