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Leno4ka [110]
3 years ago
8

Help with 6th grade math!

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
8 0
The perimeter of a rectangle is the sum of all its sides. As a formula, this is 
P = w + w + l + l = 2w + 2l = 2(w + l),
where P is perimeter, w is the width, and l is length.

Let's apply this formula to your question and substitute given information, then solve for l.
P = 2(w + l)
10x + 6 = 2(3x - 3 + l).
10x + 6 = 6x - 6 + 2l
4x +12 = 2l
l = 2x + 6
Tom [10]3 years ago
4 0

Answer:

l = 2x + 6

Step-by-step explanation:

You might be interested in
Kalei is 6ft tall and stands 10 feet from a tree. He measures an angle if elevation of 30° up to the coconuts on the tree. How h
Juli2301 [7.4K]

Answer:

The total height of coconut Tree = H + 10ft = 11.77 ft

Step-by-step explanation:

Given as,

The height of Kalei = 6ft

The distance of Kalei from the coconut Tree = 10 feet

Angle of elevation of kalei up to the coconut on tree = 30°

<u>Note : look at the pic attache </u>

From figure it is mention that

Total height of Tree = 6 ft + H

So, Tan 30° = \frac{perpendicular}{base}

     Tan 30° = \frac{H}{10}

    ∴ H         = 10 Tan 30° = 10 × 0.577         Note : tan 30° = 0.577

i.e    H         = 5.77 ft

Hence the total height of coconut tree = 6 + 5.77 = 11.77 ft   Answer

6 0
3 years ago
X
Len [333]

9514 1404 393

Answer:

  E.  The new volume is 27 times the old volume

Step-by-step explanation:

If L, W, and H are the original length, width, and height, then the original volume is ...

  V = LWH

The volume after the scale factor is applied is ...

  V' = L'W'H' = (3L)(3W)(3H) = 27LWH = 27V

The new volume is 27 times the old volume.

3 0
3 years ago
Simplify the expression, 6P4
vichka [17]

Answer: 1296

Step-by-step explanation:

6 * 6 * 6 * 6 = 36*36=1296

4 0
3 years ago
Pls help me ASAP!!! Tickets for a concert cost $7.50 for students and $15 for adults. 150 ticket are sold, and $1612.50 is colle
mariarad [96]
Answer: 85 student tickets, 65 adult tickets.
Let's say the # of students is x and the # of adults is y. The two equations we get are 7.50x + 15y = 1612.50 and x + y = 150
x = 150 - y
7.5(150-y) + 15y = 1612.5
1125-7.5y+15y=1612.5
7.5y=487.5
y=65

x=150-65
x=85

Hope this helps!
8 0
3 years ago
Solve 7 through 13. No Links. Show your work. Pls, answer Asap.
lana66690 [7]
The answer is 5y
explain:
6 0
3 years ago
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