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Mnenie [13.5K]
4 years ago
9

HELPPPPPP!!!!!!!!!! ITS DUENSOON PLS

Mathematics
2 answers:
Mice21 [21]4 years ago
8 0
Your answer should be 664.11 hope this helped!
IRINA_888 [86]4 years ago
5 0

Answer:

Step-by-step explanation:

A=2(3.14)rh+2(3.14)r^2

A=2(3.14)(4.5)(19)+2(3.14)(4.5)^2

A=536.94+127.17

A=664.11

Might want to double the math but the formula is right!

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What is the value of h in the figure below?
yaroslaw [1]

Answer:

12

Step-by-step explanation:

ΔBAD is similar to ΔCBD.  So we can write a proportion:

BD / CD = AD / BD

h / 16 = 9 / h

h² = 144

h = 12

5 0
3 years ago
Need help WILL MARK BRAINLIEST
In-s [12.5K]
The 3rd 1 am not sure though
6 0
3 years ago
Read 2 more answers
Write an equation of a line in point-slope form that is perpendicular to the line y=1/2x-7 and goes through the point (4,-3)
photoshop1234 [79]

Answer:

y = - 2x + 5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = \frac{1}{2} x - 7 ← is in slope- intercept form

with slope m = \frac{1}{2}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{\frac{1}{2} } = - 2, hence

y = - 2x + c ← is the partial equation of the perpendicular line

To find c substitute (4, - 3) into the partial equation

- 3 = - 8 + c ⇒ c = - 3 + 8 = 5

y = - 2x + 5 ← equation of perpendicular line

5 0
4 years ago
What is the equation of a line that passes through (-5, 0) and (4,18) in slope-intercept form?
8090 [49]

Answer:

Step-by-step explanation:put (-5,0) on top and (4,18) on the bottom subtract the two and you will get the answer

5 0
4 years ago
if B is between A and C, D is between C and E, and C is the midpoint of both segments BD and Segment AE, then segment AB congrue
TiliK225 [7]

The five statements and reasons below have proved that Segment AB is congruent to segment DE;

<u><em>Statement 5; AB ≅ DE</em></u>

We are Given:

B is between A and C

D is between C and E

C is the midpoint of both segments BD and AE

AB ≅ DE

We want to prove that;

AB ≅ DE

Statement 1; C is the midpoint of BD and AE.

Thus; BC = CD and AC = CE

Reason; because a midpoint divides a segment into 2 equal parts.

Statement 2; AB + BC = AC and CD + DE = CE

Since B is between A and C and D is between C and E, then we can say;

AB + BC = AC

CD + DE = CE

Reason; property of line segment addition

Statement 3; AB + BC = CD + DE

Since AC = CE, then using substitution property of equality on statement 2, we have; AB + BC = CD + DE

Reason; Substitution property of Equality

Statement 4; AB + BC = BC + DE

Since BC = CD, the using substitution property of equality on CD in statement 3, we have; AB + BC = BC + DE.

Reason; Substitution property of Equality

Statement 5; AB ≅ DE

Using subtraction property of equality on statement 4, BC will cancel out to give; AB = DE

Equal segments are congruent and so we can write; AB ≅ DE

Reason; Subtraction property of equality

Read more at; brainly.com/question/11494126

8 0
3 years ago
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