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
bagirrra123 [75]
1 year ago
4

Which choice shows 40 + 30+ 10 rewritten correctly using the commutative property and then simplified correctly?

Mathematics
2 answers:
GenaCL600 [577]1 year ago
6 0

Answer:

10(4+3+1)

Step-by-step explanation:

Expand 40+30+10 by the distributive property:: 10(4+3+1)

ad-work [718]1 year ago
3 0

Answer:

40 + 10 + 30 = 50 + 30 = 80

Step-by-step explanation:

40 + 10 + 30 = 50 + 30 = 80

You might be interested in
Slove these one step equation for the variable listed: Show your work
3241004551 [841]

1. 7=k

2. 21+w=36

-21 -21

----------------------

w=15

3. -5 =G+3

-3 -3

---------------------

-8=G

4. 2b/2=12/2

b=6

5. 35/5=5R/5

7= R

6. Q/2 (2) = 6 (2)

Q=12

5 0
3 years ago
Read 2 more answers
Determine whether the statement is true or false. If it is true, explain why. If it is false, explain why or give an example tha
MrRissso [65]

Answer:

This statement is true for any N vectorial space.

By definition u·v=|u|·|v|·cos(α), where α is the angle between u and v.

If -1≤cos(α)≤1, we can assume:

|u·v|=||u|·|v|·cos(α)|=|u|·|v|·|cos(α)|≤|u|·|v|

5 0
3 years ago
Suppose that the probability a seed will germinate is 85%. What is the probability that 7 of these seeds will germinate when 10
Viktor [21]
Total number of outcomes of 7 from 10 = 10*9*8 / 3*2*1  = 120
probability of each outcoe is 0.85^7* (0.15)^(3)  = 0.0010819

Required probability = 120 * 0.0010819 =  0.1298
6 0
4 years ago
Read 2 more answers
The sum of 5 times one number and 2 times a second number is 57. The sum of the two numbers is 18
slava [35]

1st number=7 and 2nd number =11

Step-by-step explanation:

5x+2y=57

x+y=18

7+11=18

(5*7)+(2*11)=57

7 0
3 years ago
Homework: 5.1 Systems of Linear Equations
Klio2033 [76]

Answer:

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}

x=8,\:y=5

Step-by-step explanation:

Given the system of linear equations

7x-y=51

x+3y=23

solving by the elimination method

\begin{bmatrix}7x-y=51\\ x+3y=23\end{bmatrix}

\mathrm{Multiply\:}x+3y=23\mathrm{\:by\:}7\:\mathrm{:}\:\quad \:7x+21y=161

\begin{bmatrix}7x-y=51\\ 7x+21y=161\end{bmatrix}

7x+21y=161

-

\underline{7x-y=51}

22y=110

so

\begin{bmatrix}7x-y=51\\ 22y=110\end{bmatrix}

now solving for y

22y=110

\mathrm{Divide\:both\:sides\:by\:}22

\frac{22y}{22}=\frac{110}{22}

y=5

\mathrm{For\:}7x-y=51\mathrm{\:plug\:in\:}y=5

7x-y=51

7x-5=5

7x=56

\mathrm{Divide\:both\:sides\:by\:}7

\frac{7x}{7}=\frac{56}{7}

x=8

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}

x=8,\:y=5

7 0
3 years ago
Other questions:
  • The coordinates of △ABC are A(12,8), B(10,18), C(4,16) . After a dilation, the coordinates are A'(6,4), B'(5,9), C'(2,8) A′(6,4)
    10·2 answers
  • A business journal investigation of the performance and timing of corporate acquisitions discovered that in a random sample of 2
    9·1 answer
  • If two thirds of the quantity of eighteen less than six times a number is -26,what is the number?
    6·1 answer
  • Which monomial has the same degree as 6a^2b^8c?
    15·1 answer
  • In a group of 60 children there are twice as many girls than boys how many girls are there
    6·2 answers
  • Vito owned 120 shares of a stock before tha corporation instituted a 5 for 3 split. Before the split, the stock was selling at 1
    7·1 answer
  • You paint four walls. Each wall is a rectangle with a length of 20 feet and a height of 12 feet. One gallon of paint covers abou
    5·1 answer
  • The boiling temperature (in degrees Celsius) of platinum is 199 more than four times the boiling temperature $z$ (in degrees Cel
    15·1 answer
  • What is the gcf of 96 and 40
    7·1 answer
  • Find the GCF: 12,24,36​
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!