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Sidana [21]
3 years ago
8

Half the difference of a number and 16 is negative 2

Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

20

Step-by-step explanation:

Work backwards. If -2 x 2= -4 then something plus negative four will equal 16, which is 20.

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The equation that models this trip is T= 36x + 60 where T represents the total cost for the group to take the trip and X equals
Archy [21]

We are given

The equation that models this trip is T= 36x + 60

T represents the total cost for the group to take the trip and

X equals the number of people going

we know that

Domain is all possible values of x for which any function is defined

Since, number of people can neither be negative nor in decimals

so, x can not be negative or in decimals

now, we will check each options

option-A:

x=40

This is positive and whole number

so, this can be domain

so, this is TRUE

option-B:

x=60

This is positive and whole number

so, this can be domain

so, this is TRUE

option-C:

0< x< 40

It also includes decimals numbers

and we know that

x can not be in  decimals

so, this is FALSE

option-D:

0< x< 39

It also includes decimals numbers

and we know that

x can not be in  decimals

so, this is FALSE

4 0
3 years ago
Read 2 more answers
Write the inequality for the graph.
Slav-nsk [51]

9514 1404 393

Answer:

  -1 < x < 2

Step-by-step explanation:

The graph indicates the variable may take on values between -1 and 2, not including those values. The compound inequality is written ...

  -1 < x < 2

6 0
3 years ago
A donut machine makes small glaze donuts the diameter of each doughnut is 8 cm. What is the circumference of each doughnut creat
kotegsom [21]

Answer:

50.29 cm

Step-by-step explanation:

Given:

Diameter of each doughnut = 8 cm

To find: circumference of each doughnut

Solution:

Circumference refers to the boundary of a geometric figure.

A doughnut has the shape of a circle.

Let r represents the radius of the circle.

Diameter of each doughnut = 8 cm

Radius of each doughnut (r) = Diameter/2

=\frac{8}{2}\\ =4 \,\,cm

Circumference of each doughnut =\pi r^2\\

Put r=4\,\,,\pi=\frac{22}{7}

So, circumference = =\frac{22}{7} (4)^2

=\frac{352}{7} \,\,cm\\=50.29\,\,cm

4 0
3 years ago
A test has two parts, A and B, each containing 10 questions. A student needs to choose 8 questions from part A and 4 questions f
Tpy6a [65]

Part A number of combinations of 8 from 10 = 10C8 = 10C2

= 10*9 / 2 = 45

Part B Number combinations = 10C4 = (10*9*8*7)/ (4*3*2) = 210

Total number of ways = 45 * 210 = 9450 (answer)

3 0
3 years ago
C and d are supplementary the measure of
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