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Marizza181 [45]
2 years ago
14

PLS HELP THIS IS DUE TODAY!! (WILL GIVE BRAINLIEST)

Mathematics
2 answers:
Xelga [282]2 years ago
7 0

Answer:

A is the correct answer

Step-by-step explanation:

KatRina [158]2 years ago
5 0

Answer: A is the correct one. Hope this helps, please consider making me Brainliest.

Step-by-step explanation:

You have to combine both equations and set it equal to 90:

3x + 2x - 5 (I rearranged so like terms are near each other) =

5x - 5 = 90

5x = 95 (Subtraction property)

x = 95/5 (Division property)

x = 19 (Simplify)

90 - 19 = 71 (Solve for the other angle)

The angles are 71 and 19.

Hope this helps, please consider making me Brainliest.

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Solve for h: -2/3h-4=4/3
Sindrei [870]

Isolate the variable by dividing each side by factors that don't contain the variable.

h = −8

3 0
3 years ago
A TV set contains five circuit boards of type A, five of type B, and four of type C. The probability of failing in its first 500
nekit [7.7K]

Answer:

0.903264

Step-by-step explanation:

Given that a TV set contains five circuit boards of type A, five of type B, and four of type C. The probability of failing in its first 5000 hours of use is 0.03 for a type A circuit board, 0.04 for a type B circuit board, and 0.03 for a type C circuit board.

Let A' = the event that A fails, B' =  B fails and C'= C fails.

Probability that no circuit board fails = Prob (A'B'C')

= P(A')P(B')P(C')  (since A,B, C are independent, their complements are independent

= (1-0.03)(1-0.04)(1-0.03)

= 0.903264

8 0
4 years ago
Gregory predicts that 310 people will attend the spring play. There was an actual of 220 people who attended the spring play.wha
tia_tia [17]
The percent error is 29%. I posted the equation for percent error on your other question.
8 0
3 years ago
Kate borrowed $400 from her friend. she will repay this amount plus 3 percent simple interest after one year. what is the total
timama [110]

3% = .03

400 • .03 = 12

400 + 12 = $412.00

4 0
3 years ago
Can someone help me with this one? it's due today at 9pm and I really don't know it!!! ​
Feliz [49]

Answer:

Radius: 7.5 cm  ;  Diameter: 15 cm

Step-by-step explanation:

The radius of a circle is basically the middle "halfway" point and in this case, it has already been given, 7.5 cm. The diameter is the middle line of the circle and to find the diameter, you must multiply the radius by 2, which is essentially 7.5 cm*2, and this gives you a diameter of 15 cm.

Hope this helps! :D

6 0
1 year ago
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