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allochka39001 [22]
3 years ago
8

I think of a number, multiply it by 3, add 4 and square the answer​

Mathematics
2 answers:
netineya [11]3 years ago
7 0

Step-by-step explanation:

I can read your mind you know

just ask me how

and see the magic

think of any number,

add it by 3 then by 5 then by 1.

multiply it by two

divide it by two

subtract the first number you thought of from your current number

your answer will be 9

I'm I correct ?

WINSTONCH [101]3 years ago
5 0

Answer:

2 x 3 = 6 + 4 = 10 squared = 100

Step-by-step explanation:

The square of a number is the number that can be multiplied by itself to get that specific number, for example 10 x 10 = 100

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In the triangle below, determine the value of a.
makkiz [27]

Answer:

Step-by-step explanation:

This is classic right triangle trig.  Side a, our unknown, is adjacent to angle C which is a given.  You always have to use a given angle and side to find a missing side, so we have to figure out how the two givens are related to our unknown.  Side a is adjacent to angle C, and we are also given the hypotenuse.  We know side a is not the hypotenuse since the hypotenuse is ALWAYS the side across from the 90 degree angle.  The tan ratio of angle C will give us a way to have only one unknown.

tan 43 = a/26 and

26 tan 43 = a

Use your calculator now to find the missing side.  

a = 24.2 units long

4 0
3 years ago
Question: Tyrone says he eats dinner when the minute hand is on 12. What time do you think it is and why?
Fantom [35]
Good morning!

So obviously, since the minute hand is on the number 12 (using a traditional clock), we know that Tyrone eats at the beginning of a new hour (06:00, 15:00).  Using the word "dinner" as a clue, we can assume he is eating during the later hours of the day, meaning he could be eating anywhere towards the evening.  In this case, using all the information, we can assume Tyrone is eating at either 17:00, 18:00, 19:00 ... 21:00, since those are the most "common" times for eating dinner.

(Common core is weird, man...)
Hope this helps,
-Timmeh
8 0
4 years ago
Whats the answer to 3 sqaured plus 2x equals 7
damaskus [11]

Answer:

Step-by-step explanation: 3²+12²=x² simplifies to 9+144=x² so 153=x² or x²=153.

4 0
3 years ago
Find f(2) and f(3).<br> f(1) = 3<br> f(n) = 7f(n = 1)
Kay [80]

Answer:

do it got a picture

on the edge2020

Step-by-step explanation:

4 0
2 years ago
HELP PLEASEEE AND ANSWER FAST!:))
kodGreya [7K]

I don't get it, what are you suppose to do?

8 0
4 years ago
Read 2 more answers
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