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rodikova [14]
3 years ago
9

Please help, i'll give brainliest

Mathematics
1 answer:
qaws [65]3 years ago
3 0

Answer:

  6

Step-by-step explanation:

You want ...

  4x +24 = 8x

  24 = 4x . . . . . . . . subtract 4x

  6 = x . . . . . . . . . . .divide by 4

When x=6, the slats are parallel.

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Hey<3 If you help you’re amazing if you don’t you’re awesome.
OleMash [197]
<h3>Answer:  576 </h3>

============================================================

Check out the diagram below.

I've split the figure into 3 separate blocks. We calculate the volume of each block, then add up those volumes to get the final answer.

  • Block A = largest block on the left
  • Block B = middle block
  • Block C = smallest block on the right

So,

  • volume of block A = length*width*height = 6*6*8 = 288 ft^3
  • volume of block B = length*width*height = 6*6*5 = 180 ft^3
  • volume of block C = length*width*height = 6*6*3 = 108 ft^3

Therefore, the total volume we're working with is:

A+B+C = 288+180+108 = 576 cubic feet

The "cubic feet" or "ft^3" portion is already taken care of by your teacher, so you just need to type in the number itself.

4 0
2 years ago
assume that mrs.giang's car travels 14 miles on each gallon of gas. if she travels to visit her niece who lives 133 miles away,
zalisa [80]

Answer:

9.5 gallons of gas

Step-by-step explanation:

Given that:

Each gallon gives 14 miles

Mrs giang wants to travel 133 miles

So

gallons she would need  = 133 / 14 miles

gallons she would need = 9.5 gallons

So Mrs.giang will need 9.5 gallons of gas to visit her niece.

i hope it will help you!

8 0
3 years ago
If you bought 12 cookies (each cookie for 0.99) how much more would each cookie cost than if you bought them by the dozen? ( A d
iris [78.8K]
6.55 it’s in the question my g
7 0
3 years ago
The area of a rectangular wall of a barn is 144 square feet. Its length is 10 feet longer than the width. Find the length and wi
denpristay [2]

Answer:

8 feet

Step-by-step explanation:

Let l and w be length and width, respectively. Then:

lw=144   and

l=w+10

So:

w(w+10)=144

w²+10w-144=0

(w+18)(w-8)=0

w=8 as the width ................

3 0
2 years ago
Suppose you want to fence in some land along the edge of a straight river. the fenced area will be in the shape of a rectangle,
m_a_m_a [10]
For the largest area, half the fence is used parallel to the river, and the other half is used for the two ends of the rectangular space.

The dimensions are 475 m by 237.5 m.

_____
Let x represent the length along the river. Then the area (A) is found as
.. A = x*(950 -x)/2
This equation describes a parabola with its vertex (maximum) halfway between the zeros of x=0 and x=950. That is, the maximum area is achieved when half the fence is used parallel to the river.

7 0
3 years ago
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