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devlian [24]
3 years ago
14

Can you help me please ​

Mathematics
1 answer:
stellarik [79]3 years ago
8 0

Answer:

sine 23 = x/21

Multiply both sides by 21

21 x sine 23 = x

Now, use a calculator and find the answer of the 21 times the sine of 23:

x = -17.7706284876

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Lisa specializes in baking lemon cupcakes. She bakes 3 dozen cupcakes every hour. The cost (in dollars) of making n cupcakes is
kirza4 [7]

Answer:

36h, 60+16.2h, and $92.40.

Step-by-step explanation:

n(h)=36h because there are 3 dozen cupcakes made per hour, to get C(h) you just plug in 36h in place of n and simplify, and then for the final answer 2 is plugged into the equation from the second answer.

8 0
4 years ago
Y''+4y=t^(2)+3e^t<br><br> find the general solution of the nonhomogenous differential equation
julsineya [31]
<span>the general solution of the nonhomogenous differential equation </span><span>Y'' + 4y = t^(2) + 3e^t is c2y + c1</span>
7 0
4 years ago
Help me answer this question please
Klio2033 [76]

Answer:

The answer is C.

Step-by-step explanation:

Just go to Desmos.com and plug it in.

7 0
4 years ago
Read 2 more answers
Find the midpoint of the segment with the following endpoints (-3,-9)(-7,-3)
barxatty [35]

Answer:

(-5,-6)

Step-by-step explanation:

Let(-3,-9)=(x1,y1)

(-7,-3)=(x2,y2)

Using midpoint formula,

Midpoint(x,y)=((x1+x2)/2,(y1+y2)/2)

=((-3+(-7))/2,(-9+(-3))/2))

=((-3-7)/2),(-9-3)/2))

=((-10/2),(-12/2))

=(-5,-6)

Thus midpoint(x,y)=(-5,-6)

8 0
4 years ago
What polynomial has roots of -5,-4 and 1
Semenov [28]

x³ + 8x² + 11x - 20 ← the first on list

given the roots of a polynomial, say x = a, x = b and x = c

then the factors are (x - a), (x - b) and (x - c)

the polynomial is the product of the factors

f(x) = (x - a)(x - b)(x - c)

here x = - 5, x = - 4 and x = 1, hence factors are

(x + 5), (x + 4) and (x - 1)

f(x) =(x + 5)(x + 4)(x - 1) ← expanding factors gives

f(x) = (x² + 9x + 20)(x - 1) = x³ + 8x² + 11x - 20


7 0
4 years ago
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