is there a 9's trick in multiplication? if so please tell me! i would love to know since i am so terrible with my 9.

Answers

Answer 1
Answer: There is a nine trick
First, you hold up all of your fingers
So if you're doing 6x9, you would hold up your 10 fingers, and count to six, while each number, hold a finger down. When you're done, you should have the thumb of your right hand down. So since your left hand has 5 fingers down, that's 50. Next, you skip your thumb and count 4. That's 54
6x9 is 54
Answer 2
Answer: There is a nines trick Ex. 9 x 8 You put your hands in front of you and would put the eighth finger down. The eight finger is like an imaginary line. The fingers that are up on the left side are the tens. And the fingers up on the right are the ones. Then when you add them together they make the anwser of 72. And it works for any number. I hope i helped

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Which of the following is the solution to ? | x | -2<= -3A.x<= -1B. All values are solutionsC. No solutionD.x<= -1 and x>=5

What is the square root of -1/4?

Answers

Answer:

0.25 i

Step-by-step explanation:

0.25 i is the square root.

Find the volume of this box of cookies with a length of 9 inches, width of 7 inches and height of 10.6 inches.26.6 inches cubed
169.6 inches cubed
667.8 inches cubed
706.8 inches cubed

Answers

Answer:

667.8 cm³

Step-by-step explanation:

To find the volume of a box;

simply multiply the length, width, and height - and you're good to go! For this case, the box is 9x7x10.6 cm, then the volume of a box is 667.80 cubic centimeters. For dimensions that are relatively small whole numbers, calculating volume by hand is easy. Therefore, the volume of the box is 667.8 inches cubed

sierra is supposed to practice flute for a total of 5 1/4 hours every week. this week, she practiced 15 minutes on sunday, 1 hour on monday, 30 minutes on tuesday, 45 minutes on wensday, 15 minutes on tursday, and 45 minutes on friday. how many hours must she practice on saturday to meet her required practice time for the week

Answers

5×60 minutes =300 minutes
300+15 minutes or 1/4hr
315 minutes each week

15+60+30+45+15+45=210 minutes

300-210= 90 minutes

Convert 3.4 miles to a fraction

Answers

3.4 miles as a fraction would be 3 4/10 or when simplified, 3 2/5

harrison is playing a board game that has a path of 100 space. after his first turn,he is 1/5 of the way along the spaces. on his second turn, hemoves1/4 fewer spaces than he moved on his first turn. on his third turn, he moves 1 1/4 times as many spaces than he moved on his first turn. what space is he on after three turns.

Answers

The Space after three turns is 60.

  • The calculation is as follows;

The board is 100 spaces.

His first turn he moves 1/5 of the spaces

So, 1/5 of 10  = 20 spaces.

Now  

His second turn he moves 1/4 fewer spaces.  

This means he moves 1-1/4 = 3/4 of the spaces he did in the first turn.  

Now 3/4 of 20 = 15 spaces.

Now  

His third turn he moves 1 1/4 times the number of spaces he did the first turn.  

= 1 1/4

= 1 + 1/4

= 4/4 + 1/4

= 5/4;

Now

5/4 of 20

= 25 spaces.

So, overall it should be

= 20+15+25

= 60 spaces.

Learn more: brainly.com/question/9122916?referrer=searchResults

The correct answer is:

Space 60.

Explanation:

The board is 100 spaces.

His first turn he moves 1/5 of the spaces; 1/5 of 100 = 1/5(100) = 1/5(100/1) = 100/5 = 20 spaces.

His second turn he moves 1/4 fewer spaces.  This means he moves 1-1/4 = 3/4 of the spaces he did in the first turn.  3/4 of 20 = 3/4(20) = 3/4(20/1) = 60/4 = 15 spaces.

His third turn he moves 1 1/4 times the number of spaces he did the first turn.  

1 1/4 = 1 + 1/4 = 4/4 + 1/4 = 5/4; 5/4 of 20 = 5/4(20) = 5/4(20/1) = 100/4 = 25 spaces.

Altogether he has moved 20+15+25 = 60 spaces.

 PLEASE HELP 15 points for brainliest!

What is the solution of n^2-49=0

a.-7
b7
c.+/-7
d. no solution

2. What is the solution of x^2+64=0
a.-5
b.8
c.+/-8
d. no solution

3. what is the side length of a square with an area of 144x^2
a.12
b.12x
c.+/-12x
d. no solution

Answers

Answer:  The correct option are (1). c, (2). d and (3). (b).

Step-by-step explanation:  The calculations are as follows:

(1) We are to find the solution of the following quadratic equation:

n^2-49=0.

We have

n^2-49=0\n\n\Rightarrow n^2=49\n\n\Rightarrow n=\pm7~~~~~\textup{[taking square roots on both sides]}

Thus, the correct option is (c). \pm7.

(2) We are to find the solution of the following quadratic equation:

x^2+64=0.

We have

x^2+64=0\n\n\Rightarrow x^2=-64.

Since there is no real number whose square is negative, so this equation has no solution.

Thus, the correct option is (d). no solution.

(3) We are given to find the side length of a square with an area of 144x².

Let, 'a' denotes the side length of the square.

Then,

a^2=144x^2\n\n\Rightarrow a=\pm12x.~~~~~~~\textup{[taking square root on both sides]}

Since the length of the side cannot be negative, so the side length is 12x.

Thus, (b) is the correct option.

The correct option are (1). c, (2). d and (3). (b).

the prior person is incorrect on the first and last ones. #1 should be c +/-7 because a square root can be positive or negative. for #2 it should be b 12x, the guy before must have forgot about the x. if you appreciated my help consider giving me brainliest!