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GrogVix [38]
3 years ago
13

Combine like terms.

Mathematics
1 answer:
Elodia [21]3 years ago
5 0
Answer is c: 24-3x 8+-11=-3
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Monica [59]

Answer:

- 5

Step-by-step explanation:

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7 0
3 years ago
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Find the area of the shaded figure. Give answer in decimal to the hundredth place.
Firdavs [7]

Answer:

13.5

Step-by-step explanation:

72/(16/3)

6 0
3 years ago
Write 47% as a fraction is simplest form.
Alona [7]

Answer:

47/100

Step-by-step explanation:

47 = 0.47 = 47/100

4 0
2 years ago
Look at the image below plz correct answers Surface area of cones 15 points
monitta

Answer:

A\approx 282.7\ m^2

Step-by-step explanation:

1. Approach

The easiest method to solve this problem is to use the Pythagorean theorem to find the height of the cone. Then one can substitute the values given and found on the cone into the formula to find the surface area in order to solve for the surface area of the given cone.

2. Height of the cone

Imagine drawing a line from the tip of the cone down to the center of the base. This line will form a right angle with the base, thus, a right triangle is formed between the line, the radius (the distance from the center to the circumference or outer edge on a circle) of the base, and the incline of the cone. The Pythagorean theorem is a formula that relates the sides of a right triangle. This formula is as follows:

a^2+b^2=c^2

Where (a) and (b) are the legs or the sides adjacent to the right angle of the right triangle, and (c) is the hypotenuse or the side opposite the right angle of the right triangle. Substitute the given values into the formula and solve for the unknown, or rather the height of the cone:

a^2+b^2=c^2

a^2+5^2=13^2

Simplify,

a^2+5^2=13^2

a^2+25=169

Inverse operations,

a^2+25=169

a^2=144

a=12

h=12

3. Find the surface area of the cone.

The following formula can be used to find the surface area of a cone:

A=\pi r(r+\sqrt{h^2+r^2})

Where (\pi) represents the numerical value (3.1415...), (r) represents the radius of the base, and (h) represents the height of the cone. Substitute the given values into the formula and solve for the surface area:

A=\pi r(r+\sqrt{h^2+r^2})

A=\pi 5(5+\sqrt{12^2+5^2})

Simplify,

A=\pi 5(5+\sqrt{12^2+5^2})

A=\pi 5(5+\sqrt{144+25})

A=\pi 5(5+\sqrt{169})

A=\pi 5(5+13)

A=\pi 5(18)

A=\pi 90

A\approx 282.743

3 0
3 years ago
Write the equation for the line whose slope is -1/4 and goes through the point (-2,6)​
Kryger [21]

Answer:

y = -\frac{1}{4} + \frac{11}{2}

Step-by-step explanation:

use y = mx + b where:

y = y-coordinate = 6

m = slope = -1/4

x = x-coordinate = -2

b = y-intercept = what we're solving for to complete the equation

plug the values into the equation

6 = -\frac{1}{4}(-2) + b               multiply -\frac{1}{4} and 2

6 = \frac{1}{2} + b                         subtract \frac{1}{2} from both sides

b = \frac{11}{2}

now we plug m and b into the equation and leave x and y as variables to get the final equation:

y = -\frac{1}{4} + \frac{11}{2}

8 0
3 years ago
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