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3 years ago

Give the coordinates of point A.

Mathematics

2 answers:

Ipatiy [6.2K]3 years ago

5 0

The coordinates for point A is (-2,-5)

crimeas [40]3 years ago

4 0

Answer: -2,-5

Step-by-step explanation:

The red point is located in the 3rd quadrant in the graph. So that means both the y and the x are negative. So first you go by the x value, the point is located on the 2 space left (-) from the origin (center) of the graph and then you have to go 5 spaced down (-). So point A is located at (-2,-5).

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The sum of three consecutive numbers is 84. Write and solve a math expression in terms of n for the smallest of the three number

bagirrra123 [75]

Answer: Required expression : $(n-1)+n+(n+1)=84$

Smallest number = 27

Step-by-step explanation:

Let the three consecutive number be n-1 , n , n+1 .

Since , the sum of three consecutive numbers is 84.

$\Rightarrow\ (n-1)+n+(n+1)=84$

Remove parenthesis

$n-1+n+n+1=84$

Simplify

$3n=84$

Divide both sides by 3, we get

$n=28$

That means the three consecutive numbers would be (28-1) , 28 , (28+1)

i.e. 27 , 28 , 29.

Hence, the smallest number is 27.

8 0

3 years ago

A set of weights includes a 10 lb barbell and 8 pairs of weight plates. Each pairof plates weighs 20lbs. If x pairs of plates ar

Leni [432]

It is given that the weight of the barbel is given by:

$f(x)=20x+10$

It says that there are eight pair of weights so x can take values from 0 to 8 and f(x) can take the values as follows:

$\begin{gathered} x=0,f(x)=10 \\ x=1,f(x)=30 \\ x=2,f(x)=50 \\ x=3,f(x)=70 \\ x=4,f(x)=90 \\ x=5,f(x)=110 \\ x=6,f(x)=130 \\ x=7,f(x)=150 \\ x=8,f(x)=170 \end{gathered}$

So the range is:

$\mleft\lbrace10,30,50,70,90,110,130,150,170\mright\rbrace$

Option B is correct.

4 0

2 years ago

There are 2.54 centimeters in an inch. when using this conversion factor, how many significant figures are you limited to?

cestrela7 [59]

infinite number of significant figures would be your answer

7 0

4 years ago

Solve for a. a+(−1.2)=−5.5 Enter your answer in the box.

Amanda [17]

Answer:

a = -4.3

Step-by-step explanation:

a+(−1.2)=−5.5

a - 1.2 = - 5.5

a = - 5.5 + 1.2

a = - 4.3

7 0

3 years ago

4 times the square of one number minus 5 times another number

iVinArrow [24]

Answer:

4x^2-5y

Step-by-step explanation:

4x^2-5y

6 0

3 years ago