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mixas84 [53]
3 years ago
7

Joseph tweets 13 times a day. define each variable and write an algebraic expression to describe the number of post after any gi

ven given number of days.
Mathematics
1 answer:
notka56 [123]3 years ago
3 0

13 •X= # of tweets

X= number of days

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Find the volume of the specified cone. Use 3.14, and round your answer to the nearest whole number.
Xelga [282]
The formula for the volume of a cone is V=(1/3)πr^2h.
To find r (radius) divide the diameter by 2, giving you 2.5 cm.
Plug in the numbers now !
V=(1/3)(3.14)(2.5^2)(9)
V=(1/3)(3.14)(6.25)(9)
V=(1/3)(176.625)
V=58.875
Therefore, the volume of the cone is about 59cm^3 :)
4 0
4 years ago
Read 2 more answers
Determine the length of the base and the corresponding height of ABC, and use them to find the area of ABC.
aleksklad [387]

The area of the triangle is 30 units^2. the height of the triangle is 4 units.

<h3>What is the area of the triangle?</h3>

The area of the triangle is defined as the product of half the base and the height of the triangle.

The area of the triangle can be calulated by the herons formula

base of ABC = AC = 15 units

Height of ABC = 4 units

Semi perimeter s = 5 + 12.65 + 15/ 2 = 32.65 / 2 = 16.32

Herons formula

Area = \sqrt{s(s-a) (s-b)(s-c)}\\\\Area = \sqrt{16.32(16.32-5) (16.32-12.65)(16.32-15)}\\\\Area = \sqrt{16.32(11.32) (3.675)(1.32)}\\\\Area = 29.93

Area of ABC is 30 units^2 approximately.

Height of the triangle = 2( area) / base

                                    = 2( 30) / 15

                                    = 4.

WE can see that

Area of ABC = 1/2 (base) (height)

                     = 1/2 (15 units) (4 units)

                      = 30 units^2

Learn more about the area;

brainly.com/question/1658516

#SPJ1

6 0
2 years ago
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In the diagram shown at left, three lines intersect to form a triangle.<br> What is the value of x?
Phoenix [80]

Answer:

39°

Step-by-step explanation:

For a straight line, the sum of angle is 180°

At the point where we have the 107°, the inner angle in the triangle will be 180-107=73°

68° is alternate angle to the inner angle in the triangle

Since the sum of angles in a triangle are 180°, then angle x will be

X=180-73-68=39°

Therefore, missing angle is 39°

5 0
3 years ago
Ramona has $8.00 in her savings account and adds $1.00 each week. Claire has $12.00 in her savings account and adds $3.00 each w
OverLord2011 [107]

After 2 weeks Ramona will have twice as much as Claire.

work

claire 8$

8*2=16

12*2=24

7 0
3 years ago
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Is this budget balanced, deficit, or surplus: Bella earns $700 semi-monthly. She spends $300 on fixed expenses, $250 on living e
ra1l [238]
Answer

Do I have to show my work
Explanation
7 0
3 years ago
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