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kykrilka [37]
3 years ago
10

Just number 4 pleaseeee

Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0

Hello!

The formula is given to you. :)

C = 3.14 • D (diameter; line across a circle that cuts it in half)

C = 3.14 • 21 = 65.94 inches.

Hope I helped! Also, I hope I didn’t answer this too late. ;)

~Destiny ^_^

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Evgesh-ka [11]
Change 2 3/8 to an improper fraction 19/8 like so, then multiply 19/8 by 16 which will give you the answer 38.
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4 years ago
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In a given figure which lines are parallel? justify your answer<br><br> Helpp
Sladkaya [172]

Answer:

MB // HG by the converse of the Corresponding Angles Theorem ⇒ C

Step-by-step explanation:

Two lines are parallel if intersected by a line and formed one of these types of angles.

  • Corresponding angles equal in measures (shaped letter F)
  • Alternate angles equal in measures (shaped letter Z)
  • Interior supplementary angles, the sum of their measures is 180° (shaped letter U)

In the given figure, there are 4 lines intersected

∵ Lines MB and HG intersected by line BG

∵ There are two angles marked by the same mark

∴ They are equal in measures

∵ They are in the corresponding position

∴ Lines MB and HG are parallel

∴ MB // HG by the converse of the Corresponding Angles Theorem

3 0
3 years ago
Find the slope, distance and midpoint between
Dovator [93]

Answer:

Slope- 4

Distance- 12.4

Midpoint- (6,8)

Step-by-step explanation:

Slope- \frac{y2-y1}{x2-x1}

\frac{2-14}{4-7} =\frac{-12}{-3}=4

Distance- d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2}

d = \sqrt{(4 - 7)^2 + (2-14)^2}

d = \sqrt{-3^2 + -12^2}d = \sqrt{144+9}=\sqrt{153}

\sqrt{153} = 12.4

Midpoint- \frac{x1+x2}{2} ,\frac{y1+y2}{2}

\frac{7+4}{2} =\frac{12}{2} = 6=x

\frac{14+2}{2} = \frac{16}{2} = 8 = y

(6,8)

6 0
3 years ago
Help please mathematics!
IrinaVladis [17]
I can’t help if I don’t know the question
8 0
4 years ago
the second term in a geometric sequence is 12. the fourth term in the same sequencce is 4/3. what is the common ratio in this se
nordsb [41]
Geo is
an=a1r^(n-1)

2nd term is 12
4th term is 4/3

a2=a1r^(2-1)=12
a2=a1r=12

a4=a1r^(4-1)=4/3
a4=a1r^3=4/3

we have
a1r=12 and a1r^3=4/3
(a1r^3)/(a1r)=r^2=(4/3)/12=1/9

1/9=r^2
sqrt oth sides
1/3=r

the common ratio is 1/3
5 0
4 years ago
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