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3 years ago

The two cones are congruent. Determine the unknown measures of the cones. A = units B = units C = units D = units

Mathematics

2 answers:

Maksim231197 [3]3 years ago

4 0

Answer:

3.1

4.2

5.2

Step-by-step explanation: Just copy the other cone and find half of the diameter to find the radius the cones are congruent.

Nezavi [6.7K]3 years ago

4 0

Answer:

A=3.1

B=4.2

C=5.2

D=42

Step-by-step explanation:

Was right on edge

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X + 3y = 14<br><br>-5x + 6y = -28<br><br><br>Solve systems by substitution

mote1985 [20]

Rearrange the first system to get x = -3y + 14. Substitute that into the other system.

$-5x+6y=-28\\\\-5(-3y+14)+6y=-28\\\\15y-70+6y=-28\\\\15y-70+6y=-28\\\\21y-70=-28\\\\21y=42\\\\y=2$

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4 0

3 years ago

G(x)=2x-8, f(x)=5-g(x) what is the value of f(10)

Rudik [331]

By evaluating the function, we conclude that f(10) = -7

<h3>How to evaluate the function f(x)?</h3>

Here we know that:

g(x) = 2x - 8

And f(x) = 5 - g(x).

Then we can write:

f(x) = 5 - (2x - 8) = 5 - 2x + 8 = -2x + 13

Now we want ot evaluate it in x = 10, this means replace the variable by the number 10.

f(10) = -2*10 + 13 = -20 + 13 = -7

Then, we conclude that f(10) = 7

If you want to learn more about evaluating:

brainly.com/question/1719822

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5 0

1 year ago

The roof of a tower in a castle is shaped like a cone. The height of the roof is 30 ft, and the radius of the base is 15 ft. Wha

xz_007 [3.2K]

Answer:

The area of the roof: ≈2287.44 ft^2, the lateral area of the roof:≈1580.58 ft^2

Step-by-step explanation:

The area of the roof is computed by the equation of the area of a cone:
A = πr(r + $\sqrt{h^{2}+r^(2) }$ )
(r: radius, h: height, πr^2 is the area of the base of the cone, πr $\sqrt{h^{2}+r^(2) }$ is the lateral area of the cone). So:

A = $15\pi (15 + \sqrt{30^{2} +15^{2} } )$ ≈ 2287.44 ft^2.

As I stated earlier, the lateral area of the roof can be computed:

A $L$ = $15\pi \sqrt{30^{2} +15^{2} }$ ≈ 1580.58 ft^2.

5 0

2 years ago

Please help (PLEASE DO NOYPE GIBBERISH FOR POINTS.)

krok68 [10]

It was reduced because as you can see on the scale the actual picture has larger spaces between the numbers.

7 0

3 years ago

What is the area of a rectangle that is 4 inches long and 1 3/4 inches wide

BigorU [14]

Answer: 7 inches

Step-by-step explanation:

4 times 1 3/4 is 7

6 0

2 years ago