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scZoUnD [109]
2 years ago
13

I need help, please​

Mathematics
2 answers:
Karo-lina-s [1.5K]2 years ago
6 0
Has to be C. The other answers are wrong
tensa zangetsu [6.8K]2 years ago
4 0

Answer:

C

Step-by-step explanation:

12^2 = 144, 9^2 = 81, and 15^2 = 225.

144 + 81 = 225, therefore a^2 + b^2 = c^2.

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Martin is two years younger than three times his daughter Ada’s age. The sum of their ages is 54. If Ada’s age is given by a, th
liq [111]

Answer:

A. 3a-2=54

Step-by-step explanation:

3 x her age - the 2 year will equal 54

6 0
2 years ago
What is the square root of -1?<br> -j.<br> -1
Sindrei [870]

Answer:

Its not a real number for the square roots of negative number

its not possible... \sqrt{-4} = -2 x -2   no...   2 x 2   no..... -2 x 2 yea but thats not square root anymore...

Step-by-step explanation:

Give me brainliest!!!

7 0
3 years ago
Area of a square with side length of 4inches
malfutka [58]

Answer:

16 in^{2}

Step-by-step explanation:

multiply 4 by 4

8 0
3 years ago
Can someone help me with this
loris [4]

Hello! Please mark Brainliest for the explanation!

Answer:

Area: 10 inches

Step-by-step explanation:

As the paper itself states, the area of a triangle would be

1/2bh

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1/2(5)(4) =

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10

Have a wonderful day!

7 0
2 years ago
Read 2 more answers
1. Sarah and Maya both need notebooks and pencils. The equation that represents Sarah's
STALIN [3.7K]

Step-by-step explanation:

We have y = 13 - 3x and y = 7 - x.

=> 13 - 3x = 7 - x

=> 2x = 6, x = 3.

Then y = 7 - (3), y = 4.

Hence the price of a pencil is $3 and the price of a notebook is $4. (C)

8 0
3 years ago
Read 2 more answers
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