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Softa [21]
2 years ago
15

Find the cost to the nearest cent 24 and 15% tip

Mathematics
1 answer:
emmasim [6.3K]2 years ago
4 0

Answer: 27.60

Step-by-step explanation:

24 x .15 = 3.60

24 + 3.60 = 27.60

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The melting point of nitrogen is -210 °C. The melting point of magnesium is 650 °C.
scoray [572]

Answer:

860 degrees

Step-by-step explanation:

-210+210=0

0+650=650

650+210=860

7 0
1 year ago
Solve the equation: Sin2x - Sinx = 0
Viktor [21]
We know that sin2x=2sinxcosx 
(search the net for proof if you wish) 

So the original equation becomes

2sinxcosx-sinx=0
The two terms both have sinx that can be taken out to get: 

sinx(2cosx-1)=0 
This is true if sinx=0 or 2cosx-1=0 , rewritten: cosx=1/2

sinx=0 than x=2kπ
cosx=1/2 than x=π/3+2kπ
where k is an integer

5 0
3 years ago
Calculate the coefficients of the first four terms of the binomial expansion for the binomial (x+y)^28
MakcuM [25]

Consider the following expanded powers of (a + b)n, where a + b is any binomial and n is a whole number. Look for patterns.

Each expansion is a polynomial. There are some patterns to be noted.

1. There is one more term than the power of the exponent, n. That is, there are terms in the expansion of (a + b)n.

2. In each term, the sum of the exponents is n, the power to which the binomial is raised.

3. The exponents of a start with n, the power of the binomial, and decrease to 0. The last term has no factor of a. The first term has no factor of b, so powers of b start with 0 and increase to n.

4. The coefficients start at 1 and increase through certain values about "half"-way and then decrease through these same values back to 1.

8 0
3 years ago
is x-1 taking away an x or adding an x?? im trying to find the perimeter of area tiles, and the perimeter is x + x + x + (x-1) +
Vanyuwa [196]

Answer:

4x + 2

Step-by-step explanation:

x - 1 is adding an x and subtracting a 1 ,so

x + x + x + (x - 1) + 1 + 1 + 1

= x + x + x + x - 1 + 1 + 1 + 1 ← collect like terms

= 4x + 2

3 0
2 years ago
Jill has 5 apples he the. Gives 3 to Stacy and gives 1 to Abby how many apples does Jill have left
forsale [732]

Answer:

1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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