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svetlana [45]
2 years ago
15

The four Fifth Grade classes at Smith Elementary School are having a competition to collect Box Tops. Below is the information a

bout the number of Box Tops that each class has collected.
• Mrs. Jacoby’s class: 240 box tops
• Mrs. Albert’s class: 2/3 as much as Mrs. Jacoby’s class
• Mrs. Thomas’ class: 1 and 1/3 as much as Mrs. Jacoby’s class
• Mr. Williams’ class: 1 and 2/3 as much as Mrs. Jacoby’s class
• Mrs. Yount’s class: 5/6 as much as Mrs. Jacoby’s class.


Part 1:
Which class collected more Box Tops than Mrs. Jacoby’s class? How do you know?



Without calculating, list the classes in descending order in terms of the number of box tops.



Write an explanation about how you found the order of the classes.




Part 2:
Find the actual number of box tops for each class.







Write an explanation about how you found your answers.
Mathematics
1 answer:
Rzqust [24]2 years ago
7 0

Answer:

ysgwhdbjsbamssnkfnenxndnkx4iihug58hs

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Can someone please do this for me?
san4es73 [151]

Answer:

64°

Step-by-step explanation:

<em>So supplement angles are equal to 180, so first our two angles added together will be 180:</em>

x + x = 180

<em>Now one of these angles is 6 greater than half:</em>

x + (x/2 + 6) = 180

<em>Then we will solve for x:</em>

x + (x/2 + 6) = 180

x + x/2 + 6 = 180

x + x/2 = 174

\frac{3}{2}x = 174

x = 116

<em>Plug it back in:</em>

x + (x/2 + 6) = 180

         /\

     x/2 + 6

   (116)/2 + 6

        64

<em>To check:</em>

116 + 64 = 180 ✓

6 0
3 years ago
Can Somebody Please Help
Free_Kalibri [48]

Answer:

We have to put the data for purchased item in a frequency table.

Step-by-step explanation:

The diagram is attached below.

Firstly we have to see that how many customers fall under range 0 to 5.

Then 5 to 10.

Then 10 to 15.

Finally

15 to 20.

If we go through the items purchased by customers we can see that item ranges from 0 to 5 have 4 customers.

Item purchased range from 5 to 10 have 2 customers.

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Item purchased range from 15 to 20 have 1 customers.

Total number of customers = 14

As we have total 14 number of customers and they have varied quantity of items purchased.

6 0
3 years ago
Given that the quadratic equation has equal roots (k^2-1)x^2-2kx-3k-1=0
Alik [6]

Answer:

(See explanation for further details)

Step-by-step explanation:

The real expression is:

(k^{2}-1)\cdot x{{2} - 2\cdot k \cdot x - 3\cdot k + 1 = 0

The general equation for the second-order polynomial is:

x = \frac{2\cdot k \pm \sqrt{4\cdot k^{2}-4\cdot (k^{2}-1)\cdot (-3\cdot k + 1)}}{k^{2}-1}

This condition must be observed for the case of a quadratic equation with equal roots:

4\cdot k^{2} - 4\cdot (k^{2}-1)\cdot (-3\cdot k + 1) = 0

k^{2} + (k^{2}-1)\cdot (3\cdot k + 1) = 0

k^{2} + 3\cdot k^{3} - 3\cdot k - k^{2}-1 = 0

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7 0
3 years ago
What is the recursive rule for the sequence an=5(-2)n-1
Lana71 [14]
Multiplying an odd number of negative factors equals a negative

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Without using a trigonometric ratio, find the distance from the ship to the buoy, B. Round the distance to the nearest tenth of
alexdok [17]
Without using the trigonometry ratio, we can find the distance between the ship and the buoy by:

the distance between City and Lemont SUBTRACT the vertical distance between City and the point parallel to the Ship

The distance between the City and Lemont can be worked out using the Sin rule 
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The vertical distance between the City and the point parallel to the ship can be worked out using the Pythagoras theorem
\sqrt{57.8^{2}- 44.6^{2} } =36.765...≈36.8

The distance between the ship and the Buoy is given:
98.3-36.8=61.5 miles

5 0
2 years ago
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