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attashe74 [19]
3 years ago
12

Does anyone know this

Mathematics
2 answers:
IrinaK [193]3 years ago
7 0

Answer:

4.9 (rounded)

Step-by-step explanation:

a^2 + 1^2 = 5^2

a^2 + 1 = 25

      - 1     - 1

= a^2 = 24

\sqrt{a^2 = 24} = 4.9 (rounded)

SSSSS [86.1K]3 years ago
5 0

Answer:

a=170

Step-by-step explanation:

180-6=174mil

round to 170.

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Ik it’s pretty easy but u knowh am not really sure if am right or not
gladu [14]

2,6,18

r = 6/2 = 3

18 *3 = 54

54*3 = 162

162*3=486

Answer: 54,162,486

8 0
3 years ago
Read 2 more answers
Which variable expression matches the word phrase? Column A Column B
erik [133]
<span>1. the sum of 12 and the quotient of 9 and a number

The responder's answer is not given but it can be 12 + (9 / n)

2. </span>the difference of 12 and the product of 9 and a number

The responder's answer would be <span>c. 12 – 9y

3</span>. the difference of 12 and the quotient of 9 and a number

The responder's answer would be <span>b. 12 – (9 ÷ y)
</span>
<span>4. 12 more than quotient of a 9 and number
</span>
The responder's answer would be<span> a. 12 + (9 ÷ y)</span>






4 0
3 years ago
(12y2+17y-4)+9y2-13y+3)
Flura [38]
(12y^2+17y-4)+(9y^2-13y+3)=12y^2+9y^2+17y-13y-4+3=\\\\=21y^2+4y-1
7 0
4 years ago
A group of friends recorded how fast tthey could run a 100 meters
Maru [420]

Answer:

58.4

Step-by-step explanation:

Runner 1 ran 14.85 and Runner 2 ran 14.05 from there you need to add the two together and you get 28.90. From there you can add Runner 3 and Runner 4 time together and you get 29.50.

After that you add them together and you get 58.4

I hope this helps! Let me know if you need more help on this question.

8 0
3 years ago
Read 2 more answers
Answer correctly please for brainliest
inn [45]

Answer:

30 miles 90 miles

----------------- = -----------------------

1.5 hours 4 hours

the dashes between the number represents me making a fraction lol.

3 0
3 years ago
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