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yuradex [85]
3 years ago
11

Can some help me if your good at maths

Mathematics
2 answers:
Rashid [163]3 years ago
6 0

Answer

36 = 2 \times 2 \times 3 \times 3 \\   \:  \:  \:  \:  \:  \:  \:  \: =  {2}^{2}  \times  {3}^{2}

Step-by-step explanation:

First write the prime factors of 36 that you can see here

2 \:  \:  \: 2 \:  \:  \: 3 \:  \:  \: 3

Now write 36 as a product of its prime factors.

36 = 2 \times 2 \times 3 \times 3 \\   \:  \:  \:  \:  \:  \:  \:  \: =  {2}^{2}  \times  {3}^{2}

Annette [7]3 years ago
4 0

Answer:

36=2×3×3×3

<h2>36=2×3³</h2>
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A ladder is placed 30 inches from a wall. It touches the wall at a height of 50 inches from the ground.
tankabanditka [31]
To find the length of the ladder, you need to do Pythagorean theorem.
50^2 + 30^2 = x^2
2500 + 900 = x^2
x^2 =3400
x= square root of 3400
58.31 OR 10 root34

To find the angle:
tan theta = opposite/adjacent
50/30 = 5/3
theta = tan inverse of 5/3
= 59.04


8 0
3 years ago
In the equation, 7 (3a+12)=168 , what are some of the steps that should be taken to solve for x? Select all that apply.
Svetradugi [14.3K]

7(3a + 12) = 168 ← ( divide both sides by 7 )

3a + 12 = 24 ← ( subtract 12 from both sides )

3a = 12 ← ( divide both sides by 3 )

a = 4

OR

distribute the parenthesis by 7

21a + 84 = 168 ← ( subtract 84 from both sides )

21a = 84 ← ( divide both sides by 21 )

a = 4


5 0
3 years ago
The height of a triangle is 2 less than 5 times its base. If the base of the triangle is x feet, and the area of the triangle is
Gnesinka [82]

Answer:

A. 5x^2 − 2x − 24 = 0

Step-by-step explanation:

height = 5b-2

b =x

We can rewrite the height as

h = 5x-2

We know the formula for area of a triangle

A = 1/2 bh

A =1/2 x * (5x-2)

Distributing the x

A=    1/2 (5x^2 - 2x)

We know A =12

12 = 1/2 (5x^2 - 2x)

Multiply each side by 2

12*2 = 2*1/2 (5x^2 - 2x)

24 = 5x^2 - 2x

Subtract 24 from each side

24-24 = 5x^2 - 2x-24

0 = 5x^2 - 2x-24

6 0
3 years ago
-9x-17=39 solve the equation for x
pshichka [43]

Answer:

x = - 56/9 or -6.2

Step-by-step explanation:

6 0
2 years ago
Surface area of 8in,4in,14in
andriy [413]

Answer:

160 in^2.

Step-by-step explanation:

I guess this is a prism with 6 faces so the surface area is:

2 * 8 * 4 + 2 * 8*4 + 2*4*4

= 64 + 64 + 32

= 160 in^2.

7 0
3 years ago
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