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maria [59]
3 years ago
7

Julie sold 12 boxes of cookies in 15 minutes. If she continues selling cookies at this rate, how many boxes will she sell in 3 h

ours?
Mathematics
2 answers:
Firlakuza [10]3 years ago
5 0

Answer: 144 boxes.

Step-by-step explanation: 15 is 1/4 of an hour. That means you need an hour to make 48 boxes. Then, multiply that by 3.

Eva8 [605]3 years ago
5 0

Answer:

144

Step-by-step explanation:

3 hours is 180 minutes

180/15 = 12

12*12= 144

so she will sell 144 boxes of cookies

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Zielflug [23.3K]
  • 2moles of NaCl produced by 2 moles of NaClO_3
  • Let required moles be x .

\\ \bull\sf\longmapsto 2:2=3:x

\\ \bull\sf\longmapsto \dfrac{2}{2}=\dfrac{3}{x}

\\ \bull\sf\longmapsto \dfrac{3}{x}=1

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8 0
3 years ago
Read 2 more answers
Solve GHI. Round the answer to the nearest hundredth.
Sedaia [141]

Answer:

Part 1) HI=15\ units

Part 2)

Part 3) < I=28.07\°

The answer is the option A

Step-by-step explanation:

Part 1) Find the measure of side HI

Applying the Pythagoras Theorem

GI^{2} =GH^{2}+HI^{2}

substitute the values and solve for HI

17^{2} =8^{2}+HI^{2}

HI^{2}=17^{2}-8^{2}

HI^{2}=225

HI=15\ units

Part 2) Find the measure of angle G

In the right triangle GHI

cos(G)=\frac{GH}{GI}

substitute the values

cos(G)=\frac{8}{17}

G=arccos(\frac{8}{17})=61.93\°

Part 3) Find the measure of angle I

Remember that

The sum of the interior angles of a triangle must be equal to 180 degrees

so

substitute the values

61.93\°+90\°+< I=180\°

< I=180\°-(61.93\°+90\°)=28.07\°

7 0
4 years ago
Ten times the square of a non-zero number is equal to sixty times the number.
Mice21 [21]
Let x be the nonzero number.
10 x^{2} =60x \\  \frac{1}{10x}(10 x^{2} =60x) \\ x=6
7 0
3 years ago
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Please answer this now in two minutes
Firlakuza [10]

Answer:

x = 6.6

Step-by-step explanation:

Data obtained from the question include the following:

Angle X = 15°

Angle Y° = 23°

Side y = 10

Side x =..?

The value of side x can be obtained by using the sine rule as shown below:

x/Sine X = y/Sine Y

x/Sine 15 = 10/Sine 23

Cross multiply

x × Sine 23 = 10 × Sine 15

Divide both side by Sine 23

x = (10 × Sine 15) / Sine 23

x = 6.6

Therefore, the value of x is 6.6.

7 0
3 years ago
How many sides does a regular polygon have with one central of 18 degrees?
Natalka [10]
All of the centra angles in a regular polygon must add up to 360 degrees. Also, because you're told that it is a regular polygon, the "regular" indicates that all of the central angles will be the same. Divide 360 degrees by 18 degrees to get the number of central angles, which is the same as the number of sides. 360/18 = 20. Therefore, the polygon has 20 sides. Hope that helps!
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3 years ago
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