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2 years ago

Simplify the following. - (3z)2

Mathematics

2 answers:

Sedaia [141]2 years ago

4 0

Answer:

-6z

Step-by-step explanation:

(3z)2=6z

Add the negative

-6z

vodomira [7]2 years ago

4 0

Answer:

-(3z)2

distribute the -

-3z*2

Step-by-step explanation:

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The sum of two numbers is 85. If four times the smaller number is subtracted from the larger number, the result is 5. Find the t

Cerrena [4.2K]

Answer:

the larger number is 69

the smaller number is 16

Step-by-step explanation:

x is the smaller number

y is the larger number

x + y = 85

y - 4x = 5

y = 5 + 4x

x + 5 + 4x = 85

5x = 80

x = 16

y = 69

5 0

2 years ago

*BRAIN TEASER*

Mademuasel [1]

Answer:

idk but go dtep by step

Step-by-step explanation:

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2 years ago

Read 2 more answers

Find the distance between the pair of points.

SVEN [57.7K]

Answer:

Distance is $\sqrt{290}$ units

Step-by-step explanation:

Use the distance formula which is $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ where $d$ is the distance between points $(x_1,y_1)$ and $(x_2,y_2)$

We are given that $(x_1,y_1)$ is $(-6,-23)$ and $(x_2,y_2)$ is $(-23,-24)$ , therefore the distance between the two points is:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

$d=\sqrt{(-23-(-6))^2+(-24-(-23))^2}$

$d=\sqrt{(-23+6))^2+(-24+23))^2}$

$d=\sqrt{(-17)^2+(-1)^2}$

$d=\sqrt{289+1}$

$d=\sqrt{290}$

Therefore, the distance between $(-6,-23)$ and $(-23,-24)$ is $\sqrt{290}$ units.

3 0

1 year ago

Which angle relationship alone could be used as a reason that two angles are congruent?

zimovet [89]

Supplementary angles

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2 years ago

The table represents a function.

garri49 [273]

Answer: -8

Step-by-step explanation:

When x = 5, f(x) = -8.

4 0

1 year ago