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vodka [1.7K]
3 years ago
13

What is the value of n in the equation below?A:-20B:-9C:9D:20

Mathematics
2 answers:
Nikitich [7]3 years ago
8 0
Answer is C:9
12^9/12^5 = 12^4

hope it helps
Sliva [168]3 years ago
6 0

Answer:

The Answer is C

Step-by-step explanation:

i took the test

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For a right triangle. one angle is 20°. what are the other two angles ?​
Aleksandr [31]

Answer:

A triangle equals to 180. Given that it is a right triangle, one angle should be 90.

So, 90+20 = 110

180-110= 70

Therefore, the other two angles are 90 and 70.

3 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs. Match each expression with its simplified form. Tiles 3a5 − (-a5) 6a7
fredd [130]
3a^5 - (-a^5) = 3a^5 + a^5 = 4a^5

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7 0
4 years ago
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Triangle DEF (not shown) is similar to ABC shown, with angle B congruent to angle E and angle C congruent to angle F. The length
Bezzdna [24]

Answer:

Area of ΔDEF is 45\ cm^2.

Step-by-step explanation:

Given;

ΔABC and  ΔDEF is similar and ∠B ≅ ∠E.

Length of AB = 2\ cm and

Length of DE = 6\ cm

Area of ΔABC = 5\ cm^2

Solution,

Since, ΔABC and  ΔDEF is similar and ∠B ≅ ∠E.

Therefore,

\frac{Area\ of\ triangle\ 1}{Area\ of\ triangle\ 2} =\frac{AB^2}{DE^2}

Where triangle 1 and triangle 2 is  ΔABC and  ΔDEF respectively.

If two triangles are similar, then the ratio of the area of both triangles is proportional to the square of the ratio of their corresponding sides.

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Thus the area of  ΔDEF is 45\ cm^2.

4 0
3 years ago
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The scientific notation 3.14×10^-3 has what value
Varvara68 [4.7K]
<span>3.14×10^-3 = 0.00314

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5 0
3 years ago
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Nina rented a bicycle while she was on vacation. She paid a flat rental fee of $75.00, plus $9.50 each day. The total cost was $
Grace [21]
This answer is not confirmed to be correct:

$456 is the total amount so it would be on one side of the equal sign.
$456 = $75.00 + 9.50x.
I hope this helps!
8 0
4 years ago
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