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Oxana [17]
3 years ago
5

Tara, Jennifer, and Mindy donated some money to a charity. Jennifer donated twice

Mathematics
2 answers:
Delvig [45]3 years ago
8 0

Answer:

$12

Step-by-step explanation:

Tara donated $12

Jennifer donated $24

Mindy donated $14

$12+$24+$14= $50

vodka [1.7K]3 years ago
6 0

Answer:

$12

Step-by-step explanation:

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Write a story that could represent this math problem.
defon

Answer:

oNE DAY A TRIANGLE SPLIT IN SO MANY DIFFERENT PEICES VBUT SUDDENLY ONE DAY THEY ALL CAME BACK.....

Step-by-step explanation:

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3 years ago
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Find the product of<br> (x2 + 3x + 1)(x2 + x + 2)
Bogdan [553]

Answer: x^4+4x^3+6x^2+7x+2

Step-by-step explanation:

To solve the exercise you must apply the following proccedure:

- Apply the distributive property.

- Keep on mind that when you multiply two powers with equal base, you must add the exponents.

- Add like terms.

Therefore, you obtain the following product:

=x^{(2+2)}+x^{(2+1)}+2x^2+3x^{(1+2)}+3x^{(1+1)}}+6x+x^{2}+x+2\\=x^4+x^3+2x^2+3x^3+3x^2+6x+x^2+x+2\\=x^4+4x^3+6x^2+7x+2

4 0
3 years ago
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Triangle ABC had a perimeter 18 cm
Anna007 [38]

Answer:

Use pythagoreum theorem to determine whether it is or isn't since I'm not really sure myself but here's my calculations.

Step-by-step explanation:

We need to find AC.

Picture a triangle called ABC. AB is one side and BC the other while AC is the hypotenuse.

AC=

ac =  \sqrt{ab ^{2}  +  {bc}^{2} } \\ ac = \sqrt{ {7}^{2} }  +  {3}^{2}  \\ ac =  \sqrt{49 + 9}  \\ ac =  \sqrt{58 }  \\ ac = 7.6

Round up the 7.6 to a whole number and you get AC=8. To get perimeter of a triangle simply add the sides together to get 18.

Not really sure about my answer but hope this helped.

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=8%20%2B%20y%20%3D%20x" id="TexFormula1" title="8 + y = x" alt="8 + y = x" align="absmiddle" cl
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X-y=8 is the answer to 8+y=x
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3 years ago
Which number is an irrational number?Help Plzzzzz​
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The square root of 15 is irrational.

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3 years ago
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