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2 years ago

Can someone please explain how to do this?

Mathematics

2 answers:

KengaRu [80]2 years ago

5 0

Answer:

A) x<0

Step-by-step explanation:

Here's how I think of it:

"x" can be any number right? what the graph is saying is that x can be any number on the blue line.

What's important to notice is that the circle at 0 is not colored in. This means x can be everything up to 0... but it cannot be 0. For example, x can be -0.0001 because that is less than 0.

In total, x can be anything less than 0, it just cannot be 0.

Therefore, x<0

snow_lady [41]2 years ago

3 0

Answer:

Step-by-step explanation:

the graph has a circle on 0 then shows all the numbers less than 0.

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Find the distance between points M and N.<br>M= (3,-2)<br>N= (5,-6)

MaRussiya [10]

Answer:

Step-by-step explanation:

The formula for distance between points is $\sqrt{(x.2-x.1)^{2} +(y.2-y.1)^{2}$

So when you inserts the coordinates in this formula, it would be $\sqrt{(-2-3)^2+(-6-5)^2}$

$\sqrt{(-5)^2+(-11)^2}$

$\sqrt{25+121}$

$\sqrt{146}$

=12.08305

Usually, distance is round to whole number. So, it would be 12

4 0

2 years ago

An expression is shown 30×8×103 P.s the three is in top of the 10 What is the value of the expression

lesya692 [45]

Answer: 2.4×10^5

Step-by-step explanation:

30×8×10^3

First multiply and forget about ×10^3 for now:

30×8 = 240

Then add back the ×10^3:

240×10^3

Then simplify:

2.4×10^5

To check the answer:

30×8×10³=

30×8000= 240000

Then simplify:

240000 = 2.4 ×10⁵

8 0

2 years ago

Help on this one question please!!

Mandarinka [93]

The correct answer is B.)

5 0

2 years ago

(9+4c)+(2+3x) add timed so hurry!

Luba_88 [7]

Answer: 3x + 4c + 11

Step-by-step explanation: Combine like terms.

5 0

2 years ago

5. solve for x

miss Akunina [59]

Answer:

x = 17, MN = 11

Step-by-step explanation:

Given 2 secants from an external point to a circle, then

The product of the external part and the whole of one secant is equal to the product of the external part and the whole of the other secant.

(5)

7(7 + x) = 8(8 + 13) = 8 × 21 = 168 ( divide both sides by 7 )

7 + x = 24 ( subtract 7 from both sides )

x = 17

(6)

9(9 + 2x - 7) = 10(10 + 8)

9(2x + 2) = 10 × 18 = 180 ( divide both sides by 9 )

2x + 2 = 20 ( subtract 2 from both sides )

2x = 18 ( divide both sides by 2 )

x = 9

Then

MN = 2x - 7 = 2(9) - 7 = 18 - 7 = 11

7 0

2 years ago