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balu736 [363]
2 years ago
9

What is the answer for 3(x-2)+6x=3x-2+6x

Mathematics
1 answer:
Rudiy272 years ago
8 0
I think this attachment will help you

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3. Find a in the given figure.​
Anvisha [2.4K]

Answer:

Step-by-step explanation:

Angles a and b are opposite, so they are equal. The same is true for angles O and 3b.

So, the four angles are actually (starting from the left and going clockwise) 3b,b,3b,b

These four angles sum up to 360, so we have

3b+b+3b+b =8b = 360 \iff b = \dfrac{360}{8} = 45

And since a and b were the same, a is also 45 degrees.

3 0
3 years ago
Can the sides of a triangle have lengths 2,4, and 10? Yes or no
Luba_88 [7]

Answer:

no

Step-by-step explanation:

the length of the smaller sides have to add up to the length of the largest side

7 0
3 years ago
QR is the radius of R and PQ is the tangent to R. Find the value of x.
steposvetlana [31]

Answer:

x = 39

Step-by-step explanation:

We know that PRQ is a right triangle, so we use the pythagorean theorem to solve the problem. The theorem states that a^2 + b^2 = c^2. Let's assume that the length of RP is c, the length of PQ is a and x is b. We plug the lengths into the equation and solve it:

80^2 + x^2 = 89^2

6400 +x^2 = 7921

x^2 = 1521

x = \sqrt{1521}

x = 39

5 0
2 years ago
At a campground, a rectangular fire pit is 7 feet by 6 feet. What is the area of the largest circular fire that can be made in t
Fittoniya [83]

The area of the circular fire pit is 4096 square inches.

Explanation:

Given that the rectangular fire pit is 7 feet by 6 feet.

We need to determine the area of the largest circular fire that can be made in this fire pit.

The diameter of the circular fire is 6 feet

The radius is given by

r=\frac{6}{2} =3

Radius is 3 feet.

The area of the largest circular fire pit can be determined using the formula,

Area=\pi r^2

Substituting the values in the formula, we have,

Area = (3.14)(3)^2

        =(3.14)(9)

Area= 28.26 \ ft^2

We need to convert feet to inches by multiplying by 12, we get,

Area = 28.26\times (12)^2

Area = 4096.44 \ in^2

Rounding off to the nearest square inch, we get,

Area= 4096 \ in^2

Thus, the area of the circular fire pit is 4096 square inches.

7 0
3 years ago
If a = 4 units, b = 7 units, and c = 12 units, what is the volume of the three prisms above?
tino4ka555 [31]

Answer:

336 units

Step-by-step explanation:

When finding volume of a cube or prism multiply the its length width and height together.

4 × 7 × 12 = 336

7 0
2 years ago
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