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xenn [34]
3 years ago
15

Hey i need some help with this question but i dont like the history people section. i trust math more.

Mathematics
1 answer:
Rama09 [41]3 years ago
4 0
I believe the answer is create a beautiful resting place for the dead
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A solar collector is 2,0 m long by 1,5 m wide. It is held in place
icang [17]

Answer:

The width of the frame is 0.0746 meters

Step-by-step explanation:

We are told that after the frame has been attached to the solar collector, the area that is left exposed is 2.5m^2  . As we see in the figure, the dimensions of this area are

(w-2x) and  (l-2x)

where x is the width of the frame.

The product of these dimensions must equal the exposed area:

(w-2x)(l-2x)=2.5m^2

Now since w=1.5m and l=2m we have:

(1.5-2x)(2-2x)=2.5

we expand this and solve for x using the quadratic formula:

4x^2-7x+3=2.5

4x^2-7x+0.5=0

we get two solutions:

x=1.6753

x=0.0746

We take the second solution i.e x=0.0746, because first one gives a width larger than the dimensions of the solar collector which cannot be possible.

Thus the width of the frame is 0.0746 meters.

7 0
4 years ago
Which of the following expressions is equivalent to (y − 4)4?
irina [24]

Answer:

It's equivalent to the 3rd answer choice: y4 − 16y3 + 96y2 − 256y + 256

hope this helps! <3

6 0
2 years ago
Identify the property shown.
castortr0y [4]
<span>The answer is D. Distributive

It is a distributive problem because you are are distributing the numbers within the parenthesis.

Hope this helped. Have a great day!</span>
4 0
3 years ago
Read 2 more answers
A=214<br> b=35<br> c=128<br> d=107
hram777 [196]

Answer:

d=107

Step-by-step explanation:

7+5^2 *4

PEMDAS

Since there are no parentheses, we do exponents next

7+25*4

Then we multiply

7+100

Then we add

107

7 0
3 years ago
Read 2 more answers
A rope which is 10.3 centimeters long is cut into 4 pieces of equal length. Write an equation to find the length of
alexdok [17]

Answer: x = 10.3 ÷ 4

Step-by-step explanation: if we were to work this out forgetting about the equation it can be worked out by dividing the 10.3 by 4 to find the length of the pieces so, now to express it as an equation, we have to add x into our sum 4 × ? = 10.3 : 4x = 10.3. The answer for x would be x = 2.58.

3 0
3 years ago
Read 2 more answers
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