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belka [17]
3 years ago
9

Pleasee explainnnn #23 ​

Mathematics
1 answer:
Lelu [443]3 years ago
5 0
Volume of a triangular pyramid is v=1/3AH so the answer is 8
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If 3x-4+8=12+2x<br> then x=?
vova2212 [387]

Answer:

8

Step-by-step explanation:

Combine like terms, -4 and 8, 2x and 3x.

After combining the terms, you get x+4=12.

Subtract 4 from both sides and get x=8

5 0
3 years ago
What is the smallest fraction out of 1/3, 1/6 and 2/9
Nastasia [14]
2/9 is the smallest because the denominator is the smaller meaning there are more places so in perspective its smallest
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3 years ago
Find the circumference or distance around a circus ring (circle) with a diameter of 100 feel. Use 3.14 for pi
Brums [2.3K]

Use Formula C= pi(d) so that would be 3.14 x 100 = 314

7 0
2 years ago
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Will give brainliest amswer ❤️
Fiesta28 [93]

Answer:

78.5 square units

Step-by-step explanation:

d = 10 \implies \: r =  \frac{10}{2} = 5 \\ area \: of \: circle \\= \pi {r}^{2}   \\  = 3.14 \times  {5}^{2}  \\  = 3.14 \times 25 \\  = 78.5  \:  {units}^{2} \\

8 0
3 years ago
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PLEASE ANSWER ASAP. I'LL GIVE BRAINLIEST
ra1l [238]

Answer:

.

See the diagram attached below.

Let the chords be AB and AC with common point A.

AD is the diameter. Join B with D and C with D to form two triangles.

We need to prove that AB=AC.

\begin{gathered}In\ \triangle ABD\ and \triangle ACD;\\Given\ that\ \angle BAD=\angle CAD----(condition\ 1)\\since\ AD\ is\ diameter, \angle ABD=\angle ACD = 90^0\\So\ \angle ADB=\angle ADC--------(condition\ 2)\\AD=AD\ (common\ side)-----(condition\ 3)\\ \\So\ the\ triangles\ are\ congruent\ by\ ASA\ rule.\\Hence\ AB=AC.\end{gathered}

In △ABD and△ACD;

Given that ∠BAD=∠CAD−−−−(condition 1)

since AD is diameter,∠ABD=∠ACD=90

0

So ∠ADB=∠ADC−−−−−−−−(condition 2)

AD=AD (common side)−−−−−(condition 3)

So the triangles are congruent by ASA rule.

Hence AB=AC.

3 0
3 years ago
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