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kvv77 [185]
3 years ago
13

An art class is making a mural for their school which has a triangle drawn in the middle.The length of the bottom triangle.The l

ast side is 4 more than the bottom of the triangle.write and simplify an expression for the permeter of the triangle.
Mathematics
1 answer:
kenny6666 [7]3 years ago
5 0
6x + 15 is the formula for the triangle's perimeter.
Let x represent the triangle's bottom.
The length of one side of a triangle equals 12 times the length of the triangle's bottom, so:
4x + 12 is the side length.
The last side of the triangle is three times longer than the bottom, resulting in:
x + 3 is the length of a side.
Triangle perimeter = x + (4x + 12) + (x + 3)
6x + 15 = Perimeter
6x + 15 is the formula for the triangle's perimeter.
You might be interested in
Karson drove from his house to work at an average speed of 35 miles per hour.  The drive took him 20 minutes.  If the drive took
Nastasia [14]

Answer:

Karson's average speed on his way home was 28 miles per hour.

Step-by-step explanation:

Since Karson drove from his house to work at an average speed of 35 miles per hour, and the drive took him 20 minutes, if the drive took him 25 minutes and he used the same route in reverse, to determine what was his average speed going home, the following calculation must be performed:

60 = 35

20 = X

20 x 35/60 = X

700/60 = X

11.666 = X

25 = 11,666

60 = X

60 x 11.666 / 25 = X

27.99 = X

Therefore, Karson's average speed on his way home was 28 miles per hour.

3 0
3 years ago
11) Find:<br> (i) 36% of 400<br> (ii) 16% of 32
maxonik [38]

Hey there!

Question #1.

36% of 400

= 36% * 400

= 36/100 * 400/1

= 36 ÷ 2 / 100 ÷ 2 * 400/1

= 18/50 * 400/1

= 18 ÷ 2 / 50 ÷ 2 * 400/1

= 9 / 25 * 400/1

= 9(400) / 25(1)

= 3,600 / 25

= 3,600 ÷ 25

= 144


Therefore, the answer should be: 144

Question #2.
16% of 32

= 16% * 32

= 16/100 * 32/1

= 16 ÷ 2 / 100 ÷ 2 * 32/1

= 8 / 50 * 32/1

= 8 ÷ 2 / 50 ÷ 2 * 32/1

= 4 / 25 * 32/1

= 4(32) / 25(1)

= 128 / 25

≈ 5.12

≈ 5 3/25


Therefore, the answer should be:

• 128/25

• 5.12
• 5 3/25


(Either of those should work because they are equivalent or equal to each other!)



Good luck on your assignment & enjoy your day!



~Amphitrite1040:)

6 0
2 years ago
Simplify 5/12+13/60 HELP I NEED HELP MY MOM WILL BEAT ME
likoan [24]

Answer:

38/60

Step-by-step explanation:

5/12 x 5= 25/60

25/60+13/60=38/60

4 0
3 years ago
What is the area of the composite figure?<br><br> can you explain it too
ss7ja [257]
Divide the c<span>omposite figure into 2 pieces, so then you have a rectangle and a trapezoid.
</span>
area of rectangle = 6 x 8 = 48
area of trapezoid = 1/2(4+8)(6) =  36
so
area of composite figure = 48 + 36 = 84 m^2
8 0
4 years ago
Write 2x+y=5 in slope intercept form
mylen [45]
2x+y=5
To put this in slope intercept form, you simply have to get y by itself on the left side of the equation.
2x+y=5
2x+y-2x=5-2x
y=-2x+5
Now, I had to switch the right side around like that, because slope intercept form is y=mx+b
Because you're subtracting 2x from 5, it becomes 5 added to -2x when it's put in the correct form.
y=-2x+5
6 0
3 years ago
Read 2 more answers
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