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GREYUIT [131]
3 years ago
14

There were 96 iPads at Fun Elementary. A company donated some iPads and the school purchased 300 more iPads. Now there are 865 i

Pads. How many iPads were donated to Fun Elementary?
​
Mathematics
1 answer:
Zanzabum3 years ago
5 0

Answer:

469 iPads were donated.

Step-by-step explanation:

The school purchased 396 iPads in total: 300+96

Now, you subtract how many the school purchased from the total amount of iPads to see how many iPads were donated: 865-396 = 469

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Find the side lengths of the triangle in this picture.​
ozzi

Answer:

Hypotenuse: 41 meters, Long leg: 40 meters, Short leg: 9 meters.

Step-by-step explanation:

According to the statement, we have the following information about the lengths of the right triangle:

Hypotenuse

3\cdot x + 14

Long leg

3\cdot x + 13

Short leg

x

By the Pythagoric Theorem, we have the following expression:

(3\cdot x + 14)^{2} = x^{2} + (3\cdot x + 13)^{2} (1)

9\cdot x^{2}+84\cdot x + 196 = x^{2} + 9\cdot x^{2} + 78\cdot x + 169

9\cdot x^{2} + 84\cdot x + 196 = 10\cdot x^{2} + 78\cdot x +169

x^{2} -6\cdot x -27 = 0

(x-9)\cdot (x+3) = 0

As length is a positive variable by nature, then the only possible solution is x = 9. Lastly, the side lengths of the right triangle are:

Hypotenuse: 41 meters, Long leg: 40 meters, Short leg: 9 meters.

8 0
2 years ago
Deloise has $1.20 in pennies and nickels in a jar on her desk. The number of pennies is three times the number of nickels. How m
irga5000 [103]

Answer: 45 Pennies and 15 Nickels


Step-by-step explanation:

0.05  x 15 = 0.75

0.01 x 45 = 0.45


0.45 + 0.75 = 1.20

7 0
3 years ago
Please Help!!!!<br><br> A) 0<br><br> B) 1<br><br> C) 2<br><br> D) 5
mario62 [17]

B, that is where the line crosses the x axis

3 0
3 years ago
Read 2 more answers
Tony's fish tank is a right rectangular prism 50 \,\text{cm}50cm50, space, c, m long by 25\, \text{cm}25cm25, space, c, m wide.
Svetlanka [38]
The volume of the prism is calculated by multiplying the length, L, width,W, and depth or height, H. 
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Fish tank:
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Depth of the water in tank (with castle - without castle)
                                   d = 57.5 cm - 48 cm = 9.5 cm
Volume of the caste: 
                                V = 9.5 cm x 50 cm x 25 cm = 11875 cm³
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20ln%283x%20%2B%204%29%20%3D%20%20-%205" id="TexFormula1" title=" ln(3x + 4) = - 5" alt=" ln
balandron [24]
The answer is negative three

6 0
3 years ago
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