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
Arte-miy333 [17]
3 years ago
14

Which expression is equivalent to (x y) z?

Mathematics
2 answers:
stepan [7]3 years ago
5 0

Answer:

x(yz)

Step-by-step explanation:

(xy)z = x(yz) by the associative property of multiplication.

Answer: x(yz)

padilas [110]3 years ago
3 0

Answer:

x (y z) or C

Step-by-step explanation:

i took the test

You might be interested in
There are 31 dogwood trees and 22 maple trees currently in the park. the park workers will plant more dogwood trees today.When t
nalin [4]

If there was 31 dogwood trees already there and after there was a total of 96 dogwood trees therefore all you would have to do is subtract (96-31) you would get 65 so the answer is 65  

8 0
3 years ago
Find the sum. Do not round.<br><br> 39.882 + 11.03 =
lukranit [14]
The answer is 50.912

3 0
4 years ago
Read 2 more answers
Gideon is painting all sides of a square pyramid-shaped decoration at the top of his fence post. A net of the decoration is show
frez [133]
Gideon is painting all sides thus we find the overall area of the square pyramid given in the picture. A square pyramid is a polyhedron that consists of a square and 4 triangles. To solve the area that Gideon will have to paint, we can calculate the area of the square and the area of the triangles then add these two values of area. We proceed as follows:
Area of the square = s^2 where s is the measure of the side
Area of the square = 4^2 = 16 in^2

Area of the triangle= 1/2 bh where b is the base of the triangle and h is height of the triangle
Area of the triangle = 1/2 (4) (5) = 10 in^2
We multiply the area of the triangle to four in order to obtain the total area of the triangles.
Total area of the triangles = 4 x 10 = 40 in^2

We then add the two areas,
Total Area = 16 + 40 = 56 in^2

Thus the total area that Gideon will have to paint for one square pyramid is 56 in^2.
6 0
3 years ago
The Pew Research Center reported that 73% of Americans who own a cell phone also use text messaging. In a recent local survey, 1
AnnZ [28]

Answer:

z=\frac{0.775 -0.73}{\sqrt{\frac{0.73(1-0.73)}{200}}}=1.433  

Now we can find the p value. Since we have a bilateral test the p value would be:  

p_v =2*P(z>1.433)=0.152  

Since the p value is higher than the significance level of 0.1 we have enough evidence to FAIL to reject the null hypothesis and the best conclusion for this case would be:

Do Not reject H0

Step-by-step explanation:

Information provided

n=200 represent the sample size slected

X=155 represent the cell phone owners used text messaging

\hat p=\frac{155}{200}=0.775 estimated proportion of cell phone owners used text messaging

p_o=0.73 is the value to verify

\alpha=0.1 represent the significance level

We need to conduct a z test for a proportion

z would represent the statistic

p_v represent the p value

System of hypothesis

We want to verify if the true proportion of cell phone owners used text messaging is different from 0.73 so then the system of hypothesis are:

Null hypothesis:p=0.73  

Alternative hypothesis:p \neq 0.73  

The statistic to check this hypothesis is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the data given we got:

z=\frac{0.775 -0.73}{\sqrt{\frac{0.73(1-0.73)}{200}}}=1.433  

Now we can find the p value. Since we have a bilateral test the p value would be:  

p_v =2*P(z>1.433)=0.152  

Since the p value is higher than the significance level of 0.1 we have enough evidence to FAIL to reject the null hypothesis and the best conclusion for this case would be:

Do Not reject H0

6 0
3 years ago
Answer this ASAP pls, I'm hella dumb and to lazy to do this, I'm giving 25 POINTS and mark BRAINLIEST
Delicious77 [7]

Answer:

47

Step-by-step explanation: if you're add 6 and 7 you get 13 so just add all the numbers and you get the answer

8 0
4 years ago
Other questions:
  • Which expression is equivalent to one over fivem − 20?
    7·2 answers
  • .65 repeating as a fraction?
    7·1 answer
  • Simplify Negative 15.6 divided by negative 4.
    7·1 answer
  • How many are 16 x 16 ?​
    8·2 answers
  • What is the product of (−4)⋅(−4)⋅(−4)⋅y⋅y using exponents
    13·1 answer
  • 9. During the soccer season, Michelle attempted 130 goals and made about 70% of them. a. How many goals did Michelle make? b. Th
    12·1 answer
  • Mary made 1/5 of a batch of cookies in 1/10th of an hour, how many batches of cookies can she make in one hour? This is unit rat
    13·1 answer
  • Probability question - pic attached below
    10·2 answers
  • PLEASE ANSWER ASAP!!!
    6·2 answers
  • I need help on 9,10,11 please
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!