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3 years ago

I need help I don’t understand number lines

Mathematics

2 answers:

Agata [3.3K]3 years ago

8 0

Answer:

Well according to the number line shown, it is in the negative area and if you see this it is near -6.5, all you need to do is count the spots until it hits the circle which is -6.8

Step-by-step explanation:

Vilka [71]3 years ago

6 0

Answer:

Step-by-step explanation:

- 6.8.... just count the tenths marks.. 6.1,6.2,6.3... ect, ect

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In a particular triangle, the second side measures 5 less than twice the first side. The third side measures 3 more than the sec

lorasvet [3.4K]

5x-7
If the first side is just x, then the second side must be 2x-5, or 5 less than twice the first. If this is the second side, then the third must be 2x-2, because the third side "measures 3 more than the second side."
The perimeter is 5x-7 = (x) + (2x-5) + (2x-2).

5 0

3 years ago

The sum of Sasha’s and Natalie’s ages is 31. Twice Natalie’s age is 11 years more than Sasha’s age. Find each of their ages

ZanzabumX [31]

Answer:

Natalie's age is 14

Sasha's age is 17

Step-by-step explanation:

Let

Sasha's age be "s", and

Natalie's age be "n"

Sum of Sasha and Natalie is 31:

s + n = 31

Twice Natalie is 11 more than Sasha:

2n = s + 11

We ca solve this equation for s first:

s = 2n - 11

We put this into first equation and solve for n first:

s + n = 31

2n - 11 + n = 31

3n = 31 + 11

3n = 42

n = 42/3 = 14

Natalie's age is 14

Also, s = 2n - 11

s = 2(14) - 11

s = 28 - 11

s = 17

Sasha's age is 17

6 0

3 years ago

fredd [130]

9514 1404 393

Answer:

(b) (-3, -1)

Step-by-step explanation:

Differences between adjacent f(x) values are ...

-31, -13, -1, +5, +5, -1, -13

The function is increasing on intervals where the differences are positive: between (-3, -11) and (-1, -1). That is ...

f(x) is increasing on (-3, -1)

5 0

2 years ago

C. 24 less then double x .

beks73 [17]

Answer:

For this type of question you might want to give a domain in a set statement

ie.24 is less than 2(13,14,15,...)

Or

If my first answer was a deviation then you were probably being asked to subtract 24 from 2times a given number being represented by the variable x

6 0

3 years ago

Find the unit rate: $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples? *

mario62 [17]

Answer:

$1.20

Step-by-step explanation:

3.6/3=1.2

you would divide for the unit rate or in other words simplify it.

7 0

3 years ago