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RUDIKE [14]
3 years ago
12

PLEASE HELP ILL GIVE BRAINLIEST

Mathematics
1 answer:
DanielleElmas [232]3 years ago
5 0

Option A:

(x-5)^{2}+(y-3)^{2}=16

Solution:

Given data:

Center of the circle is (5, 3).

Radius of the circle = 4

To find the equation of the circle:

The general form of the equation of a circle in centre-radius format is

(x-h)^{2}+(y-k)^{2}=r^{2}

where (h, k) is the centre of the circle and r is the radius of the circle.

Substitute the given values in the equation of a circle formula:

(x-5)^{2}+(y-3)^{2}=4^{2}

(x-5)^{2}+(y-3)^{2}=16

The equation of the given circle is (x-5)^{2}+(y-3)^{2}=16.

Hence Option A is the correct answer.

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I think the answer is Jill
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3 years ago
I need 18,19,& 20•ignore my writing
Korolek [52]

Answer:

Part 18) Option D 100 square meters

Part 19) Option A 60 cubic meters

Part 19) Option C. 212 cubic centimeters

Step-by-step explanation:

Part 18) Estimate the surface area of the prism

we know that

The surface area of the prism is equal to

SA=2B+PH            

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

<em>Find the area of the base B</em>

B=3.5*7=24.5\ m^{2}

<em>Find the perimeter of the base P</em>

P=2*(3.5+7)=21\ m

we have

H=2.4\ m

substitute

SA=2(24.5)+(21)(2.4)=99.4\ m^{2} ----> exact value

<u><em>Estimate the surface area</em></u>

we have

L=3.5=4\ m ----> round up

W=7\ m

H=2.4=2\ m ----> round down

<em>Estimate the area of the base B</em>

B=4*7=28\ m^{2}

<em>Estimate the perimeter of the base P</em>

P=2*(4+7)=22\ m

substitute in the formula

SA=2(28)+(22)(2)=56+44=100\ m^{2}

Part 19) Estimate the volume of the prism

The volume of the prism is equal to

V=BH

we have

B=3.5*7=24.5\ m^{2}

H=2.4\ m

substitute

V=(24.5)(2.4)=58.8\ m^{3} ----> exact value

<u><em>Estimate the volume</em></u>

we have

L=3.5=4\ m ----> round up

W=7\ m

H=2.4=2\ m ----> round down

<em>Estimate the area of the base B</em>

B=4*7=28\ m^{2}

substitute in the formula

V=(28)(2)=56\ m^{3}    

Part 20) The volume of the prism is equal to

V=BH

we have

B=6*6.8=40.8\ cm^{2}

H=5.2\ cm

substitute

V=(40.8)(5.2)=212.16\ cm^{3} ----> exact value

<u><em>Estimate the volume</em></u>

we have

L=6\ cm

W=6.8=7\ cm ----> round up

H=5.2=5\ cm ----> round down

<em>Estimate the area of the base B</em>

B=6*7=42\ cm^{2}

substitute in the formula

V=(42)(5)=210\ cm^{3}    

5 0
3 years ago
Help!! due tomorrow; determine the indicated lengths
Illusion [34]

Use the circle theorem, that is a great tip!

3 0
2 years ago
Find the radius of the circle. Leave your answer in simplest radical form.
dangina [55]
44 that is probably the answer since it's half
7 0
3 years ago
SOMEONE HELP FOR 15 POINTS
zheka24 [161]

Answer:

Step-by-step explanation:

Hint:

a² - 9a + 15  = (a-7)(a-2)

a² + 9a + 15  = (a+7)(a+2)

a² + 3a - 10 = (a-2)(a+5)

a² + 5a - 14 = (a-2)(a+7)

a² - 5a - 14 = (a-7)(a+2)

7 0
3 years ago
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