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strojnjashka [21]
2 years ago
9

Please help me I am so lost!

Mathematics
2 answers:
Vedmedyk [2.9K]2 years ago
8 0
1. Plug in -3 for a
14-(-3)^2
14-9
5

Final answer: 5

2. 15 more than r=15+r (notice the keyword more) equals 61
Final answer: r+15=61
uranmaximum [27]2 years ago
8 0
14 - a^2
= 14 - (-3)^2
= 14 - 9
= 5

answer D. 5

--------
15 + r = 61 or r + 15 = 61

answer is B.
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Is anyone able to explain how the answer is D?
noname [10]

Answer:

Step-by-step explanation:

There is theorem in this chapter which explains the answer

According to the theorem ,

/_rbd = 2 /_ rad

Therefore , rbd = 34 ° .

Hence , rad = 2x 34

Therefore , rad = 68°

3 0
3 years ago
Read 2 more answers
Melania has two jobs. During the day she works as an office clerk, and in the evening she works as a cashier. her office job pay
bulgar [2K]
Lets x = # of hours Melania  works at <span>office clerk
and y = </span># of hours Melania  works as a <span>cashier

x + y = 38 so x = 38 - y
13x + 9.25y = 434

substitute </span> x = 38 - y into 13x + 9.25y = 434

13x + 9.25y = 434
13(38 - y) + 9.25y = 434
494 - 13y + 9.25y = 434
                  -3.75y = -60
                          y = 16
x = 38 - y so x = 38 - 16 = 22

answer
Melania  works at office clerk = 22 hours
Melania  works as a cashier = 16 hours
7 0
3 years ago
What are the solutions to f(x) = g(x)?
TiliK225 [7]

Answer:

x = 0 and x = 1

Step-by-step explanation:

From the table of values

f(x) = g(x) = 1 when x = 0 , and

f(x) = g(x) = 0.25 when x = 1

The solution to f(x) = g(x) are x = 0 and x = 1

5 0
3 years ago
Please help thank you very much
-BARSIC- [3]
Hello!

The answer is 34°

Hope this helps!
7 0
3 years ago
Solve the equation. 3x+12 = 5x-21
almond37 [142]
3x+12=5x-21
-5x       -5x
-2x + 12 = -21
         -12    -12
-2x=-33
 x = 16.5
4 0
2 years ago
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