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ziro4ka [17]
3 years ago
15

Could someone answer the question with the photo linked below?

Mathematics
1 answer:
Ne4ueva [31]3 years ago
5 0

Answer:

\sqrt{28}

Step-by-step explanation:

Let's pretend the empty, white space in the middle is a triangle. A right triangle. then we just use the pythogerean theorem to get the a.

\sqrt{a \:}  \: equals \:  {8}^{2}  -  {6}^{2}

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Simplifying Complex fractions using any method
zloy xaker [14]

Answer:

3ab

-------------------

(b+a)

Step-by-step explanation:

3/a - 3/b

-------------------

1/a^2 - 1/b^2

Multiply the top and bottom by a^2 b^2/ a^2/b^2 to clear the fractions

(3/a - 3/b) a^2 b^2

-------------------

(1/a^2 - 1/b^2) a^2b^2

3ab^2 - 3 a^2 b

-------------------

b^2 -  a^2

Factor out 3ab on the top

3ab( b-a)

-------------------

b^2 -  a^2

The bottom is the difference of squares

3ab( b-a)

-------------------

(b-a) (b+a)

Cancel like terms from the top and bottom

3ab

-------------------

(b+a)

6 0
3 years ago
Read 2 more answers
Maria is installing gutters on her rectangular shed that measures 10 ft by 9 ft she has 23 ft of gutter already and need to purc
Paha777 [63]

Answer:

Maria needs 3 lengths of gutter of finish the shed.

Step-by-step explanation:

We need to calculate the perimeter of the rectangular shed to know how much  5 feet gutter is needed.

The perimeter of the shed is p = 2(l + b) where l = 10ft and b = 9 ft

p = 2(10 + 9) = 2(19) = 38 ft

Now, the perimeter of the shed also equal 23 ft of gutter already installed plus 5x ft gutter where x = number of gutters.

So 23 + 5x = 38

collecting like terms, we have

5x = 38 - 23

5x = 15

dividing through by 5 we have

5x/5 = 15/5

x = 15/5

x = 3

So, Maria needs 3 lengths of gutter of finish the shed.

8 0
3 years ago
What is 0.00001 meters in nanometers
Luden [163]
The answer is 10000 because you need to flip it


5 0
3 years ago
Read 2 more answers
6/12<br> is that equivalent to<br> 1/12
prohojiy [21]
No 6/12 is equal to 12/24
5 0
3 years ago
The question is in the photo
vovikov84 [41]

\displaystyle\bf 3x+7\geq 52 \ ; \ x>15 \\\\3x\geq 45\\\\x\geq 15 \ \ \ and  \ \ \ x>15 here is a contradiction because in one inequality x can be equal to 15 ; and in the other it cannot

6 0
3 years ago
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