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Travka [436]
3 years ago
12

How do I set up the equation for this?

Mathematics
1 answer:
Masteriza [31]3 years ago
4 0

Answer:

Speed = Distance ÷ Time

time = distance ÷ speed

Step-by-step explanation:

248 ÷ 55 * 60 = 270.54 minutes

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The length of a picture is 15.75 inches shorter than twice the width. If the perimeter of the picture is 106.5 inches, find its
Vladimir79 [104]

Answer:

Length = 45.37 in

Width = 30.56 in

Step-by-step explanation:

Let the width of the picture be 'w' inches.

Given:

Perimeter of the picture is, P=106.5\ in

Length is 15.75 inches shorter than twice the width. So, length is:

l=2w-15.75

Now, we know that the perimeter of a rectangular shape is given as the sum of all of its side. So, the picture is also of rectangular shape and hence the perimeter is given as:

P=2l+2w

Plug in the values of 'l' and 'P' and solve for 'w'. This gives,

106.5=2w-15.75+2w\\106.5=4w-15.75\\106.5+15.75=4w\\4w=122.25\\w=\frac{122.25}{4}=30.56\ in

Therefore, the width of the rectangular picture is 30.56 inches.

Length of the picture is, l=2(30.56)-15.75=61.12-15.75=45.37\ in

So, length of the picture is 45.37 inches and width is 30.56 inches.

3 0
3 years ago
What is the solution to this inequality?<br><br> −4x−8&gt;−20
77julia77 [94]

Answer:

x < 3

Step-by-step explanation:

−4x − 8 > −20

Add 8 to both sides.

-4x > -12

Divide both sides by -4. Remember that when you multiply or divide both sides of an inequality by a negative number, the direction of the inequality sign changes.

-4x/(-4) < -12/(-4)

x < 3

4 0
3 years ago
The figure (triangular prism) below has a height of 18 inches and a volume of 864 cubic inches. What is the area of the base of
Aleonysh [2.5K]

Answer:

The answer is B.

Step-by-step explanation:

It is given that the formule of volume of prism is V = a × h where a stands for area of cross-section. Then, substitute the following value into the formula :

V = 864 in³

h = 18 in

a = ?

864 = a × 18

Next, you have to make a as the subject by dividing 18 on both sides :

864 ÷ 18 = a × 18 ÷ 18

48 = a

a = 48 in²

5 0
4 years ago
For the function f(x) = x + 4, what is the ordered pair for the point on the graph where x = 3p?
anygoal [31]

Answer:

D. (3p, 3p + 4)

Step-by-step explanation:

3 0
3 years ago
Help please!!!!!<br> Geometry
likoan [24]

Answer:

We just finished this in geometry and i hated it lol but i think <DBA and <CBA are equal and AD=AC

7 0
3 years ago
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