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3 years ago

Which two numbers on the number line has an absolute value of 2.75?

Mathematics

2 answers:

eimsori [14]3 years ago

8 0

Answer:

The location on number line is shown in figure 1:

Step-by-step explanation:

Consider the provided information.

We need to find two numbers on the number line has an absolute value of 2.75

The absolute value is the distance between 0 and the provided number with out considering the sign of number.

It denoted by mode |x|, where x is any number.

Now to find the two numbers on the number line has an absolute value of 2.75, move 2.75 unit right and left to the zero.

If we move 2.75 unit right and left to the zero that will gives us the distance between 0 and 2.75.

Thus, the location of the number which are -2.75 and 2.75

It can also represents as |2.75|

The location on number line is shown in figure 1:

Nataliya [291]3 years ago

4 0

---(-3)--(-2.75)---------(-2)--------(-1)--------0-------(+1)------(+2)------(+2.75)---(+3)--

| -2.75 | = | +2.75 | = 2.75

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Sally was walking to Ocean Front Housing Complex, In miles, how far is her distance?

Vanyuwa [196]

Answer:

Sally is 10 miles

The coordinate ofthe deli is (1, -1)

Step-by-step explanation:

✍️Coordinate of Sally = (-3, 2)

Coordinate of Ocean Front = (5, -4)

The distance of Sally to Ocean Front Housing Complex = the distance between point (-3, 2) and (5, -4).

Use the distance formula, $d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$ , to calculate the distance between (-3, 2) and (5, -4):

$d = \sqrt{(5 -(-3))^2 + (-4 - 2)^2}$

$d = \sqrt{(8)^2 + (-6)^2}$

$d = \sqrt{64 + 36}$

$d = \sqrt{100} = 10$

✅The distance of Sally is 10 miles

✍️the coordinate of Deli would be half the distance between Sally and Ocean Front.

Therefore, use the midpoint formula to calculate the coordinate of the midpoint between Sally (-3, 2) and Ocean Front (5, -4).

Midpoint of (-3, 2) and (5, -4).

$M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})$

Plug in the values

$M(\frac{-3 + 5}{2}, \frac{2 +(-4)}{2})$

$M(\frac{2}{2}, \frac{-2}{2})$

$M(1, -1)$

✅The coordinate ofthe deli is (1, -1)

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<span>Take note of this: There are 10 1 digit numbers: 0,1,2,3,4,5,6,7,8,9.
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