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Natasha2012 [34]
2 years ago
6

Please help!!!!!!!!!

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
5 0

Answer:

10.3

Step-by-step explanation:

\sqrt{ { (  8 - ( - 1))}^{2} +  {( - 2 - 3)}^{2}  }  =  \sqrt{ {9}^{2}  +  {( - 5)}^{2} }  =  \sqrt{81 + 25}  =  \sqrt{106}  = 10.3

(Army?

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If a = 5i - 6j and b = -2i + 4j , find -3a + 2b
gavmur [86]

Answer:

-19i + 26j

Step-by-step explanation:

-3 (5i - 6j) + 2 (-2i + 4j)

Distribute/multiply the -3 to everything in the parentheses

-15i + 18j + 2 (-2i + 4j)

Distribute/multiply the 2 to everything in the parentheses

-15i + 18j -4i + 8j

Combine like terms

-19i +26j

3 0
3 years ago
Monique is factoring the expression 4 x + 16 x y. Her work is shown below. Factors of 4x: 1, 2, 4, x Factors of 16xy: 1, 2, 4, 8
Anika [276]

Answer:

Monique made an error when writing the factored expression.

Correct factored

expression=4x(1+4y)

Step-by-step explanation:

factoring the expression 4 x + 16 x y.

Factors of 4x: 1, 2, 4, x

Factors of 16xy: 1, 2, 4, 8, 16, x, y

GCF: 4x

Factored expression: 4 x (0 + 4 y)

Monique made an error when writing the factored expression.

The correct factored expression should be:

4x+16xy

=4x(1+4y)

Contrary to 4x(0+4y)

Correct factored

expression=4x(1+4y)

4 0
2 years ago
Read 2 more answers
Help please! (no one was answering it in physics and i really need help)
aivan3 [116]

Let v_0 be the cat's speed just as it leaves the edge of the table. Then taking the point 1.3 m below the edge of the table to be the origin, the cat's horizontal position at time t is given by

x(t)=v_0t

and its height is

y(t)=1.3\,\mathrm m-gt^2

where g is 9.8 m/s^2, the magnitude of the acceleration due to gravity.

The time it takes for the cat to hit the ground is t with

0=1.3\,\mathrm m-gt^2\implies t=\sqrt{\dfrac{1.3\,\rm m}g}\approx0.36\,\mathrm s

(Unfortunately, this doesn't match any of the given options...)

The cat lands 0.75 m away (horizontally) from the edge of the table, so that its speed v_0 was

0.75\,\mathrm m=v_0(0.36\,\mathrm s)\implies v_0\approx2.08\dfrac{\rm m}{\rm s}

(Again, not one of the answer choices...)

I'm guessing there's either a typo in the question or answers.

6 0
3 years ago
Dillon is going to randomly pick a domino from a pile of dominoes that are all facing downward. Of the dominos
Zina [86]

Try out 64?? Sorry if the answer is incorrect.... I will try to reccommend your question to other people. :)

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3 years ago
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professor190 [17]

Answer:

The Area of the square base is 114 In .2

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2 years ago
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