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3 years ago

(2,4) is perpendicular to y:2x

Mathematics

1 answer:

Luda [366]3 years ago

4 0

Answer:

is a Step-by-step explanation:

combination

A selection in which order has no importance.A mathematical symbol, or combination of symbols, representing a value, or relation. Example:

.equation

A mathematical statement that says two expressions have the same value; any number sentence with an

ordered pair

Set of two numbers in which the order has an agreed-upon meaning, such as the Cartesian coordinates

(

)

, where the first coordinate represents the horizontal position, and the second coordinate represents the vertical position.

solution

1. The value of a variable that makes an equation true.

2. In chemistry, a solution is a homogeneous mixture composed of only one phase.

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Todd is 30 years old. If his target heart rate during aerobic activity is 60-90 % of his maximum heart rate, how fast should his

sergeinik [125]

Answer:

Step-by-step explanation:

It is given that Todd is 30 year old and he perform aerobic activity that may increase his heart beat.

maximum heart beat can be calculated by subtracting the age from 220

For 30 year old male Maximum heart beat

=220-30=190

And during exercise his heart beat increases to 60-90 % of maximum value

60 % of 190=114 beats/min

90 % of 190=171 beats/min

So Heart beat can goes up to 114 - 171 beats/min

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4 years ago

Given that 99°, 153°, 162° are 3 of the interior angles of a n-sided polygon and that the remaining interior angles are 141° eac

Helen [10]

Answer:

n = 9

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Given 3 angles and the remaining angle of 141° then there are

141(n - 3) angles of this size

Then

99 + 153 + 162 + 141(n - 3) = 180(n - 2) , that is

414 + 141n - 423 = 180n - 360

141n - 9 = 180n - 360 ( subtract 141n from both sides )

- 9 = 39n - 360 ( add 360 to both sides )

351 = 39n ( divide both sides by 39 )

9 = n

The polygon has 9 sides

8 0

3 years ago

What is the area of the parallelogram?<br> A<br> square units

irakobra [83]

Answer:

24 square units

Step-by-step explanation:

I googl.ed it

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3 years ago

A farmers land is separated into sections of size 3 5/6 acres. Suppose there are 9 such sections. How many acres of land does th

Schach [20]

Answer: Don't know sorry

Step-by-step explanation:

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3 years ago

What is the value of 3 in 230,001

Katyanochek1 [597]

30,000
the way you can solve this is by removing all numbers in front of the selected number(in this case, 2 should be removed) then change all numbers behind to 0.

6 0

3 years ago