1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lina2011 [118]
2 years ago
9

How are basic facts can help you find 10*20*30*40 mentally

Mathematics
1 answer:
Lena [83]2 years ago
5 0
When you do the multiplication you can notice that 10, 20, 30, 40 all have 0's at the end.

So that means 10 *20*30*40 = 1*2*3*4*10000 = 24*10000 = 240,000
You might be interested in
Teps to go<br> h(x) = x2 + 5x + 6<br> write in factored form
Ronch [10]

Answer:

h(x) = (x + 2)(x + 3)

Done .....

♥️♥️♥️

4 0
2 years ago
Help plz ASAP
Aleks [24]

Answer:

B.

Step-by-step explanation:

3 0
2 years ago
(01.02) kim earns $30 for babysitting on friday nights. she makes an average of $1.25 in tips per hour. write the function of ki
defon
Y = 1.25x + 30 <== ur function

for 3 hrs.....x = 3
y = 1.25(3) + 30
y = 3.75 + 30
y = 33.75 <=== for 3 hrs
8 0
3 years ago
Please answer a through d
Elza [17]

Answer:

See explanation below.

Step-by-step explanation:

Given: 100 lbs on Earth is 16.6 lbs on the moon.

a. The independent variable is weight. The gravity of the Moon and the gravity of the Earth are constant. Weight can change, but gravity is a constant.

b. An equation that relates the weight of someone on the Moon who travels to the Earth:

100 / 16.6 = 6.02. Take the Moon weight and multiply by 6.02:

Moon Weight * 6.02 = Earth Weight.

Proof:

16.6 * 6.024 = 99.99 - approximately 100 lbs Earth weight.

c. A 185 lb astronaut on Earth would weigh:

16.6 / 100 = .166. Take the Earth weight and multiply by .166:

185 * .166 = 30 lbs on the Moon.

d. A person who weighs 50 lbs on the Moon:

50 * 6.024 = 301.2 lbs on Earth.

Hope this helps! Have a good day and year! :)

5 0
2 years ago
water level in a plastic pool changed by -8 gallons each hour after 6 hours,the pool contained 132 gallons.how much water was in
elena55 [62]
X = original amount of water
x - 8(6) = 132
x - 48 = 132
x = 132 + 48
x = 180...it originally contained 180 gallons
6 0
2 years ago
Other questions:
  • If (x+3)+3(x-1)=20, what is the value of x
    13·1 answer
  • PLEASE ANSWER ASAP!!!
    5·1 answer
  • an online book store has 173 boxes of books in its warehouse each box has 48 books how many books are in the warehouse​
    9·1 answer
  • Determine the direction that this parabola opens y=-5x^2-10x-15
    6·1 answer
  • A person places $82100 in an investment account earning an annual rate of 4.3%, compounded continuously. Using the formula V = P
    9·1 answer
  • Gustavo is the league’s home run leader. The probabilities for his total number of home runs for the season are follows:
    6·2 answers
  • Anyone help with my homework plz?
    8·1 answer
  • What is the result of convetting 35 ounces into pounds?
    8·1 answer
  • PLEASE HELP!! will give brainliest if correct! Also plz no copied answers!
    15·1 answer
  • Find the general term for the arithmetic series 7+10+13....​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!