3 years ago

What minus 9 equals 11

Mathematics

2 answers:

anastassius [24]3 years ago

7 0

Answer:

Step-by-step explanation:

Call the number you're trying to find n.

"What" becomes n.

n - 9 = 11

To "undo" the subtraction and reveal the value of n , ADD 9 to both sides of the equation. (Addition is the inverse operation of subtraction.)

n = 11 + 9 = 20

Naddika [18.5K]3 years ago

6 0

Answer:

Step-by-step explanation:

20 - 9 = 11

I hope this helps

You might be interested in

A bar graph titled Recommended Hours of Sleep has hours on the x-axis and age of the y-axis. Elementary-age children should get

chubhunter [2.5K]

About 10 hrs because he got at least 11 hours of sleep

5 0

3 years ago

Read 2 more answers

4(1-x)+2x=-3(x+1)<br> -) 7/5<br> -) -7/5<br> -) -3/4<br> -) -7

natima [27]

Answer:

the last one -) -7

Step-by-step explanation:

if this help you please give me a crown please

6 0

2 years ago

Read 2 more answers

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

prohojiy [21]

Answer:

$2.25$

Step-by-step explanation:

$(6x^{-2})^2(0.5x)^4\\\\=(6^2(x^{-2})^{2})(0.5^4x^4)\ \ \ \ \ \ \ \ \ \ \ \ \ as\ (ab)^m=a^mb^m\\\\=36\times 0.5^4((x^{-2})^2x^4)\ \ \ \ \ \ \ \ \ \ as\ multiplication\ is\ associative\ a(bc)=(ab)c\\\\=36\times 0.0625(x^{-4}x^4)\ \ \ \ \ \ \ \ \ \ \ as\ (x^m)^n=x^{mn}\\\\=(36\times 0.0625)(x^{-4+4})\ \ \ \ \ \ \ \ \ \ \ as\ x^mx^n=x^{m+n}\\\\=2.25x^0\\\\=2.25\ \ \ \ \ \ \ \ \ \ \ \ as\ x^0=1\\\\(6x^{-2})^2(0.5x)^4=2.25$

7 0

3 years ago

A probability experiment will consist of selecting one student at random from your math class. Is the probability that the selec

kumpel [21]

Not likely because in my class we have more boys then girls
m=27
f=5

8 0

3 years ago

What is the largest two-digit number that is a multiple of 5 and 10 at the same time?

alexandr402 [8]

Answer:

Step-by-step explanation:

90/10= 9

90/5= 18

No number larger than 90 would work.

5 0

3 years ago