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mylen [45]
3 years ago
10

PLEASE HELP IMPORTANT MATH

Mathematics
1 answer:
aksik [14]3 years ago
8 0

Answer:

The answer to your problem is b because if she wants to spend 20 minutes on the piano and she has 50 minutes until dinner than she would have 30 minutes on the computer.

Step-by-step explanation:

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Evaluate and simplify the expression when c=1 and d=3. 3(2c + d) - 4(c-d) + d2 = [?]​
pav-90 [236]

Answer:

<h2>The answer is 32</h2>

Step-by-step explanation:

3( 2c + d) - 4( c - d) + d²

when

c = 1

d = 3

Substitute the values of c and d into the expression and solve

That's

3[ 2(1) + 3 ] - 4( 1 - 3) + 3²

= 3( 2 + 3) - 4( - 2) + 9

= 3(5) + 8 + 9

= 15 + 17

We have the final answer as

<h3>32</h3>

Hope this helps you

5 0
3 years ago
Sally sold 70 milkshakes last week. 40% of the milkshakes had whipped cream on top. How many milkshakes with whipped cream were
Sedbober [7]
28 milkshakes had whipped cream on top
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3 years ago
Expand and simplify (x+3) (x-4)
lisov135 [29]

Answer:

Step-by-step explanation:

=x^2-x-12

5 0
3 years ago
Read 2 more answers
For f(x) = 4x + 2 and g(x) = x^2 - 6, find (f+g)(x)
Margaret [11]

Answer:

(f+g)(x) = x^2 + 4x - 4

Step-by-step explanation:

We are given these following functions:

f(x) = 4x + 2

g(x) = x^2 - 6

(f+g)(x)

We add the common terms. Thus:

(f+g)(x) = f(x) + g(x) = 4x + 2 + x^2 - 6 = x^2 + 4x + 2 - 6 = x^2 + 4x - 4

Thus:

(f+g)(x) = x^2 + 4x - 4

3 0
2 years ago
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Step-by-step explanation: 0.80 times 75 is 60 and 125- 65 is 60

6 0
3 years ago
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