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alekssr [168]
3 years ago
14

Brook paid $45 for a candle making course. She spent $106 for wax and supplies , but later returned one $8 candle mold. Write an

d find out the value of an integer expression to show the change in the amount of money she has . If brook sells her candles for $9 each how many will she have to sell before she makes a profit
Mathematics
1 answer:
postnew [5]3 years ago
7 0
She spent $143 after returns and to make a profit at $9 dollars per candle, she would need to sell 16 Candles. molly ringwald tho.
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√108<br><img src="https://tex.z-dn.net/?f=9%20%5Ctimes%20%5Cfrac%7B13%7D%7B20%7D%20" id="TexFormula1" title="9 \times \frac{13}{
ki77a [65]
I'm assuming your allowed to use a calculator for this? That's what I would do.
\sqrt{108}  = 10.39
To go about the fraction, take the whole number and times it by the denominator, then add in the numerator to create a new fraction(a whole one not mixed). Then simply divide the numerator by the denominator.
9 \times 20 = 180
180 + 13 = 193
193 is the new numerator and the new whole fraction is this and dividing it out gives you,
\frac{193}{20}  = 9.65
For the third one, just input it into a calculator,
2\pi + 3.4 = 9.68
4 0
3 years ago
Determine which number is a solution of the inequality. j+8 ≤ 8; 0, 1, 2
Troyanec [42]

Answer:

The solution to the inequality is 0.

7 0
2 years ago
How would 522 value be classified
In-s [12.5K]

Answer: It will be classified as a whole number!

Step-by-step explanation:

Hope this Helps!

3 0
3 years ago
Read 2 more answers
Evaluate the expression 3c +7d when c = 3 and d =2
Natalka [10]
The answer to this is 23
5 0
3 years ago
Read 2 more answers
If sin phi sin theta = 0.2 and sin phi cos theta = -0.3 and sin phi &gt; 0 what is theta ? Repeat for sin phi &lt; 0.
Rina8888 [55]

Answer:

θ = -33.69°

Step-by-step explanation:

For Φ>0 and Φ<0  (in general Φ≠nπ  where n is an integer), sin(Φ) ≠ 0

Dividing both equations:

\frac{sin(\phi) sin(\theta)}{sin(\phi)cos(\theta)} = tan(\theta) = 0.2/(-0.3)=-2/3\\

Therefore:

arctan(θ) = -2/3

  θ = -33.69°

The answer does not depend on the sign of Φ, in fact we just need that the sine does not become zero, which occurs when Φ is equal to an integer times π (radians) or 180 (degrees)

Have a nice day!

3 0
3 years ago
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