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Maru [420]
3 years ago
5

Nelly has a large rectangular postcard that is 9 inches long and 4 inches wide. What is the area of the postcard?

Mathematics
2 answers:
pshichka [43]3 years ago
3 0

The answer is probably 36

antoniya [11.8K]3 years ago
3 0

Answer:

The answer is 36 inches

Step-by-step explanation:

Since the rectangle is 9 inches long and the length is 4 inches wide and you need to find the area the formula is A=L*W so you would multiply 9 and 4 which gives you 36

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You run at a pace of 8.5 minutes per mile in a 26.2 mile marathon. How many minutes will it take finish?
algol [13]
8.5 minutes per mile is equivalent to 

17 minutes
----------------
  2 miles

and the reciprocal of that is


2 miles
-----------
17 min

Now multiply 26.2 miles by 

17 min                                   (17 min)* (26.2 mi)
------------ ,    obtaining         ---------------------------
 2 miles                                           2 mi

This simplifies to (17)(26.2)/2 minutes = 222.7 minutes, 

or

222.7 minutes        1 hr
-------------------- * ------------ = 3.7 hours
          1                  60 min
4 0
3 years ago
Renay has dimensions 2" x 1.5" the scale of the copy is 1" x 40 cm find the dimensions of the original painting
Afina-wow [57]
I confused ! I don't get what your trying to say please explain better !
5 0
3 years ago
Write an equation with a slope of -1/2 in each form.<br> point-slope form<br> slope-intercept form.
Evgen [1.6K]

For the case of a line through

(

2

,

7

)

and

(

1

,

−

4

)

we have

slope

m

=

Δ

y

Δ

x

=

−

4

−

7

1

−

2

=

−

11

−

1

=

11

Using the point

(

2

,

7

)

we can write the equation of the line in point slope form as:

y

−

7

=

m

(

x

−

2

)

where the slope

m

=

11

.

That is:

y

−

7

=

11

(

x

−

2

)

To get point intercept form, first expand the right hand side so...

y

−

7

=

11

x

−

(

11

⋅

2

)

=

11

x

−

22

Then add

7

to both sides to get:

y

=

11

x

−

15

=

11

x

+

(

−

15

)

This is point intercept (

y

=

m

x

+

c

) form with slope

m

=

11

and intercept

c

=

−

15

.

6 0
3 years ago
Can you help me please
Anon25 [30]

Answer:

5/9

Step-by-step explanation:

2/3 - 1/9 = 5/9

7 0
3 years ago
Read 2 more answers
A 13.5-meter ladder leans against a brick wall and the ladder makes a 75∘ with the wall. The distance d the ladder goes up the w
Alex73 [517]

Answer:

3.5 m

Step-by-step explanation:

Use Pythagorean theorem to find the distance (d) the distance goes up the wall = adjacent to the angle 75° that is formed with the wall.

Length of ladder = the hypothenuse = 13.5 m

Thus, we would use:

Cos75 = adjacent/hypothenuse

Cos 75 = d/13.5

Multiply both sides by 13.5

13.5*cos(75) = d

13.5*0.2588 = d

3.4938 = d

d ≈ 3.5 m (nearest tenth)

3 0
3 years ago
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