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2 years ago

MATH HELP?????What is a square root???????????

Mathematics

2 answers:

gregori [183]2 years ago

6 0

Answer:

A square root is a number that produces a specific quantity when multiplied by itself.

Step-by-step explanation:

For example, 9 is the square root of 81, as 9*9=81

WARRIOR [948]2 years ago

3 0

Answer:

a number which produces a specified quantity when multiplied by itself.

Step-by-step explanation:

hope this helps!! brainly please!

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Use Cramer’s Rule to solve system of equation.

alisha [4.7K]

$\left\{\begin{array}{ccc}5x+2y=4\\3x+4y+2z=6\\7x+3y+4z=29\end{array}\right\\\\A=\left[\begin{array}{ccc}5&2&0\\3&4&2\\7&3&4\end{array}\right]\\\\\det A=5\cdot4\cdot4+3\cdot3\cdot0+2\cdot2\cdot7-7\cdot4\cdot0-3\cdot2\cdot5-3\cdot2\cdot4=54\\W_x=\left[\begin{array}{ccc}4&2&0\\6&4&2\\29&3&4\end{array}\right]\\\det W_x=4\cdot4\cdot4+2\cdot2\cdot29+6\cdot3\cdot0-29\cdot4\cdot0-3\cdot2\cdot4-6\cdot2\cdot4=108$

$W_y=\left[\begin{array}{ccc}5&4&0\\3&6&2\\7&29&4\end{array}\right]\\\det W_y=5\cdot6\cdot4+3\cdot29\cdot0+4\cdot2\cdot7-7\cdot6\cdot0-29\cdot2\cdot5-3\cdot4\cdot4=-162\\W_z=\left[\begin{array}{ccc}5&2&4\\3&4&6\\7&3&29\end{array}\right]\\\det W_z=5\cdot4\cdot29+3\cdot3\cdot4+6\cdot2\cdot7-7\cdot4\cdot4-3\cdot6\cdot5-3\cdot2\cdot29=324\\\\x=\dfrac{\det W_x}{\det A}=\dfrac{108}{54}=2\\\\y=\dfrac{\det W_y}{\det A}=\dfrac{-62}{54}=-3\\\\z=\dfrac{\det W_z}{\det A}=\dfrac{324}{54}=6$

5 0

2 years ago

At the arcade, Jamal had 6 tickets that he had saved from last time he went. This time he played the same game 7 times and earne

melomori [17]

Answer:

Jamal has 111 tickets.

Step-by-step explanation:

Start by knowing that he has 6 tickets he got previously, and then he gets 15 more tickets each time he played the game, which was 7 times.

7 x 15 + 6 = 111

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2 years ago

I need this question need done asap

Harlamova29_29 [7]

Answer: The answer to this is 7.

4 0

2 years ago

Read 2 more answers

I need help with questions 11. Help me.

zysi [14]

That diagram can be split into a right angled triangle of base 7 and of height 4 + 5.2 + 2 = 11.2, and a square of length of 5.2 So the are of the total shape is the area of the right angled triangle + the area of the square.
= $\frac{11.2*7}{2} +5.2^2=66.24$
Please mark me as brainliest.

8 0

2 years ago

Kevin spends $11.25 on lunch every week during the school year. If there are 35.5 weeks during the school year, how much does Ke

ASHA 777 [7]

Answer:

399.37

Step-by-step explanation:

multiply the amount each week by the amount of weeks to get the answer :)

7 0

2 years ago