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4 years ago

15 POINTS!

Mathematics

1 answer:

tankabanditka [31]4 years ago

8 0

Answer:

D.10.1 mm3

Step-by-step explanation:

The volume of a shape is represented by the multiplication of the length, width and height of the figure.

The volume of a figure MUST have units of measurement elevated to the power of three. In this case, the only one that meets this criteria is Option D.

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The area of a triangle is 92 square inches. The base is 23 inches. What is the height in inches? Do not include units in your an

mihalych1998 [28]

8 inches is the answer first you divide 23 by 2 which gives you 11.5 then 92÷11.5=8 you do it this way because of the formula you use for area with a triangle 1/2 base times height

4 0

3 years ago

Help please due in a couple minutes:,)

jok3333 [9.3K]

Answer:

The amount of air in a leaky tire.

Step-by-step explanation:

The plot shows a decrease with time (I'll assume the x axis is time).

Which of the answer options would one expect a decrease over time.

A leaky tire? <u>YES</u>

Hair length with soda? NO

Cost of a meal when adding appetizers? NO

3 0

2 years ago

Read 2 more answers

An architectural drawing lists the scale as 1/4" = 1'. if a bedroom measures 312312" by 514514" on the drawing, how large is the

iren [92.7K]

The given data of 1/4"=1' is a fixed ratio to be used to find the scale factor of the true measurement of the room. The given measurements are only on the drawing scale. To know the actual area of the room, find first the equivalent length and width. Then, you multiply them to obtain the area.

Through ratio and proportion:

<span>1/4"/1' = 312312"/length
</span>length = 1249248'

1/4"/1' = 514514"/width
width = 2058056'

Thus, the actual area of the bedroom is

A = length×width
A = (1249248')(2058056')
A = 2.57×10¹² square feet

5 0

4 years ago

Rod is paid $85 to install a screen door and $115 to install a wooden door. In one week he installed 18 doors and was paid a tot

Rainbow [258]

Answer:Rod installed 7 screen doors

Step-by-step explanation:

Step 1

Let the number of screen door = x

And the number of wooden doors = y

since he installed 18 doors , we have that

screen door + wooden doors = 18

x + y = 18------ equation 1

Also the cost to install a screen door -= $85

and to install a wooden door = $115

And he was therefore paid a total of $1850

Therefore

85x + 115 y = $1860------- equation 2

Step 2----- Solving

x + y = 18------ equation 1

85x + 115 y = $1860------- equation 2

Multiplying equation 1 BY 85

85x + 85y= 1530------- equation 3

85x + 115 y = $1860------- equation 4

subtracting from equation 1 from (2)

115y- 85y= 1860-1530

30y=330

y = 330/30 = 11

To find x

x+ y=18

x= 18-y

x= 18-11= 7

Rod installed 7 screen doors and 11 wooden doors.

8 0

3 years ago

If tan theta= 15/8, then:

Maurinko [17]

Hello there!

The only thing we have to do here is remember our trigonometric functions!

sin=y/r
cos=x/r
tan=y/x
sec=r/x
csc=r/y
cot=x/y

Knowing that tanᎾ=15/8, we know that y=15 and x=8

Now we need to look at the answer choices and see if they are correct.

A. secᎾ=17/8
Since secᎾ=r/x and r=17 and x=8, this is correct.

B. cosᎾ=15/17
Since cosᎾ=x/r and x=8 and r=17, this is wrong.

C. cotᎾ=8/15
Since cotᎾ=x/y and x=8 and y=15, this is also correct!

D. cscᎾ=17/15
Since cscᎾ=r/y and r=17 and y=15, this is right too.

I really hope this helps!
Best wishes :)

5 0

3 years ago

Read 2 more answers