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kap26 [50]
3 years ago
6

What is the circumference of the following circle? 9 cm

Mathematics
1 answer:
liq [111]3 years ago
7 0

Answer:

9π or 28.27 cm

Step-by-step explanation:

The circumference formula is 2πr or dπ. The diameter is 9 cm so we multiply 9 with pi to get the answer.

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Write the Pythagorean theorem equation in an equivalent form with the a² isolated.
maria [59]

Answer:

a^{2}= -b^{2}+c^{2}

Step-by-step explanation:

Rewrite the Pythagorean Theorem equation in terms of a^{2}.

a^{2}+b^{2}=c^{2}

Subtract b squared from both sides.

a^{2}= -b^{2}+c^{2}

6 0
2 years ago
Read 2 more answers
(5 × 4) × (16 ÷ 8) × (24 − 22) =
sweet [91]
The answer should be 80
8 0
3 years ago
Read 2 more answers
Please help me. its attached
liq [111]

Answer

5. ΔABC ≅ ΔDEF is true.

6. ΔABC ≅ ΔGHI is not true.


Step by step explanation

5. Find the lengths of the triangle ABC.

BC = 3

Use the distance formula to find the length of AB and AC

Distance formula = \sqrt{(x2 - x1)^2 + (y2 - y1)^2}

Coordinates of A = (1, 4) and B = (2, 2).

Now plug in these values in to the distance formula.

AB = \sqrt{(2 -1)^2 + (2 - 4)^2} \\

AB = \sqrt{(1)^1 + (-2)^2}

AB = √1 + 4

AB = √5

Now let's find the length of AC.

A = (1, 4), C = (5, 2)

Use the distance formula and the length of AC.

AC = \sqrt{(5 - 1)^2 +(2 - 4)^2}

AC = \sqrt{(4)^2 + (-2)^2}

AC = √(16 + 4)

AC = √20

Now let's find the length of GI

G = (6, 6) and I = (8, 1)

Use the distance formula.

GI = √(2)^2 + (-5)^2

GI = √(4 + 25)

GI = √29.

The length of EF = 3, DE = √5, EF = √20

Now let's compare the two triangles ABC and DEF.

The sides of the triangle ABC is equal to the sides of the triangle DEF

By SSS property,  ΔABC ≅ ΔDEF.


6) The side length of GI = √29 which is not equal to the side length of AC = √20.

Therefore, the ΔABC ≅ ΔGHI is not true.

Hope this will help you.

Thank you.


5 0
3 years ago
Solve the inequality -2n &gt; -6<br><br> A. n&gt;3<br> B. n&gt;-3<br> C. n&lt;3<br> D. n=3
Natasha2012 [34]
The answer is C ... or you could say n<3
5 0
3 years ago
X cubed = 64/27 A= ±8/3 B= 8/3 C= ±4/3 D= 4/3
Digiron [165]

Answer:

D

Step-by-step explanation:

x³ = 64/27

Take the cube root of both sides.

x = ∛(64/27)

Distribute the cube root to the numerator and denominator.

x = (∛64)/(∛27)

Take the cube root of the terms.

x = 4/3

5 0
3 years ago
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