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NeX [460]
3 years ago
15

10 POINTS!

Mathematics
2 answers:
N76 [4]3 years ago
6 0
Good day/////////////

Tatiana [17]3 years ago
3 0
It would be c because i just did it
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H(x) = x - 10<br> SA<br> What is the domain of h?
Cerrena [4.2K]

Answer:

h.56

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Tony and Cleo are donating some of their books to a hospital. If Tony contributes half of his books and Cleo gives one third of
liraira [26]
Short Answer: Tony 40 Cleo 30
Givens

T = Tony
C = Cleo

Equations
1/2 T + 1/3 C = 30      (1)
2/5 T + 1/2 C = 31       (2)

Adjustments
Multiply  (1) by 3
Multiply (2) by 2

New Equations
3/2 T + C = 90      (1a)
<u>4/5 T + C = 62</u>      (2a) Subtract (2a) from (1a)
(3/2 - 4/5)T = 28                      the common multiple of 2 and 5 = 10. 
(15/10 - 8/10)T = 28
7/10 T = 28                              Multiply by 10
7T = 28*10
7T = 280  Divide by 7
T = 280/7 = 40

Put T = 40 into (1)
1/2 T + 1/3 C = 30
1/2 (40) + 1/3 C = 30
20 + 1/3 C = 30                      Subtract 20 from both sides.
1/3 C = 30 - 20
1/3 C = 10                              Multiply through by 3
C = 10 * 3
C = 30

Answer:
Cleo has 30 books.
Tony has 40 books.

Check
<em>Use Equation 2</em>
2/5 T + 1/2 C = 31
2/5*40 + 1/2 * 30 = ? 31
16 + 15 =?3`
31 = 31 They are equal.

4 0
3 years ago
22/27+5/18+-7/10 add and simplify
k0ka [10]
The answer will be 53/135, or in decimal form, 0.39259259...
6 0
3 years ago
Please help!! I have no idea!!
MAXImum [283]
If sinα=cosß  it means that ß=90-α.  This also means that α+ß=90 so we can say:

4k-22+6k-13=90

10k-35=90

10k=125

k=12.5°

...

The above identity comes up a lot, and is one worth committing to memory for sure.

sinα=cos(90-α) or vice versa cosα=sin(90-α)
4 0
3 years ago
What is the sum of all of the integers from -4 to +5?
sukhopar [10]
1 Hope this helps you
3 0
3 years ago
Read 2 more answers
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