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solniwko [45]
3 years ago
8

Theo solved n + 5 = 11 for the unknown. The steps he

Mathematics
1 answer:
VMariaS [17]3 years ago
6 0

Answer:

what is the question?

Step-by-step explanation:

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2 Points<br> Which of the following is the coefficient in the algebraic expression 2x +y?
zubka84 [21]

Answer:2

Step-by-step explanation:

6 0
3 years ago
8. A triangle has sides with lengths of 6, 8, and 10 units, and a square has a
svet-max [94.6K]

Difference between the area of the triangle and square is 25

Step-by-step explanation:

  • Step 1: Find the area of the triangle given its 3 sides using the Heron's formula.

Area of the triangle = \sqrt{s (s-a)(s-b)(s-c)} where s = \frac{a + b + c}{2}

⇒ s = (6 + 8 + 10)/2 = 24/2 = 12

\sqrt{s(s-a)(s-b)(s-c)} = \sqrt{12(12-6)(12-8)(12-10)}

                                    = \sqrt{12(6)(4)(2)} = \sqrt{576} = 24 sq. units

  • Step 2: Find the area of the square with perimeter = 28 units.

Perimeter of the square = 4 × side = 28

⇒ Side of the square = 28/4 = 7 units

⇒ Area of the square = (side)² = 7² = 49 sq. units

  • Step 3: Find the difference between the area of the square and triangle.

Difference = 49 - 24 = 25

8 0
3 years ago
Find the circumference of a circle with a radius of 2.4 m
bagirrra123 [75]

Answer:

15.07964

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7 0
3 years ago
Read 2 more answers
How can Doug use place value pattern to check his answer?
MAVERICK [17]
He can use it to make sure he lined his place values up properly
3 0
3 years ago
A cylinder has a height of 7cm.
valina [46]

We first need to find the radius of the circle, so we need to do 8π/π which gives us a diameter of 8 cm, halving this gives us a radius of 4 cm.

The area of this circle will be:

A = πr^2

A = 4^2

A = 16π cm^2

Now to find the volume we simply multiply the area by the height:

16π × 7 = 112π cm^3 which is our final answer.

7 0
2 years ago
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