3 years ago

Add the two expressions. 32 – 4 and 2z + 5 Pls help quick!

Mathematics

1 answer:

alexgriva [62]3 years ago

7 0

Answer:

2z + 33

Step-by-step explanation:

Add like terms like below:

(32 - 4) + (2z + 5) = 28 + 2z + 5

Combine like terms again:

(28 + 5) + 2z = 33 + 2z or 2z + 33

You might be interested in

A grocery store purchases bags of chips for $2 and marks up the price by 162%. The store is having a sale where everything is on

drek231 [11]

Answer:

4.62

Step-by-step explanation:

2 * 1.62= 3.24

new cost is $3.24 + 2 = 5.24

5.24 * .12 = .62 discount

5.24 - .62

4.62

7 0

2 years ago

Read 2 more answers

Somebody please help me with this

kap26 [50]

Answer:

D. $7/hour

Step-by-step explanation:

128-86=42

42/6=7

6 0

3 years ago

Read 2 more answers

Identify the slope and y-intercept of the lins given by the equation y=2x 1.

VLD [36.1K]

Answer 2 I took the test

3 0

3 years ago

The batteries from a certain manufacturer have a mean lifetime of 850 hours, with a standard deviation of 70 hours, assuming tha

matrenka [14]

To answer (a), we will need to find the Z value for 710 hours and 990 hours.

$\begin{gathered} For\text{ 710} \\ Z\text{ = }\frac{x-\mu}{\sigma} \\ \text{ = }\frac{710-850}{70} \\ \text{ = -2} \\ p\text{ =0.0228 } \\ For\text{ 990:} \\ Z\text{ = }\frac{990-850}{70} \\ \text{ =2} \\ p\text{ = 0.9772} \end{gathered}$ $\begin{gathered} To\text{ find P \lparen–2 \le Z \le 2\rparen} \\ =\text{ 0.9772 -0.0228} \\ =\text{ 0.9544} \\ =95.44\% \end{gathered}$

B) 68% of data lies between one standard deviation of the mean.

850 +70 = 920

850 - 70 = 780

5 0

1 year ago

The price of a sofa was reduced from $250 to $180. By what percentage was the price

Inessa [10]

Answer:

the price was reduced by 28%

7 0

3 years ago

Read 2 more answers