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
yKpoI14uk [10]
4 years ago
10

What's the equivalent expression after combining the like terms? −3z−z

Mathematics
1 answer:
marin [14]4 years ago
7 0

Answer:

-4z

Step-by-step explanation:

-3z-z

Factor out the z

z(-3-1)

Combine like terms

z(-4)

-4z

You might be interested in
1 1/4mi = ft, can someone explain this to me
skelet666 [1.2K]
First off, we'll convert the mixed fraction to "improper" and check about, keeping in mind that, there are 5280 feet in 1mile.

\bf \stackrel{mixed}{1\frac{1}{4}~mi}\implies \cfrac{1\cdot 4+1}{4}\implies \stackrel{improper}{\cfrac{5}{4}~mi}\\\\
-------------------------------

\bf \begin{array}{ccll}
feet&miles\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
5280&1\\
f&\frac{5}{4}
\end{array}\implies \cfrac{5280}{f}=\cfrac{1}{\quad \frac{5}{4}\quad }\implies \cfrac{5280}{f}=\cfrac{\frac{1}{1}}{\quad \frac{5}{4}\quad }
\\\\\\
\cfrac{5280}{f}=\cfrac{1}{1}\cdot \cfrac{4}{5}\implies \cfrac{5280}{f}=\cfrac{4}{5}\implies \cfrac{5280\cdot 5}{4}=f\implies 6600=f
4 0
3 years ago
HELP ME NOW PLEASE, IM BEGGING.
svlad2 [7]
1. $1.23 per pair
A dozen is 12 so you do 12x7=84

Then you do 103.32 divided by 84 which gives you 1.23

2. His error was doing 103.32 divided by 7 because he thought it was only 7 pairs but it’s 7 dozen.
3 0
3 years ago
Read 2 more answers
Please help me on number 4
Mariulka [41]
Angle 5 = 117° because it is vertical to angle 8
Angle 7 = 63° because it is symmetrical to angle 5
Angle 6 = 63° because it is vertical to angle 7.
Angle 1 = 117° because it is corresponding to angle 5.
Angle 2 = 63° because it is corresponding to angle 6.
Angle 3= 117° because it is corresponding to angle 8.
Angle 4 = 63° because it is corresponding to angle 7.
3 0
3 years ago
Fill 350 milliliter bottles from a 30 liter drum how many bottles
Mama L [17]

Answer:

  85

Step-by-step explanation:

0.350 L × n = 30 L . . . . . where n is the number of bottles.

Divide by 0.350:

  n = (30 L)/(0.350 L) ≈ 85.7

85 bottles can be filled, and one can be partially filled.

_____

Of course, you know the SI prefix milli- means 1/1000, so 350 mL = 350/1000 L = 0.350 L. When you do the division indicated above, ...

  (30 L)/(0.350 L)

the units of liters cancel, and you are left with the number of bottles.

6 0
3 years ago
The sum of the squares of two positive integers is 208. If the square of the larger number
iris [78.8K]
I need a little bit more detail in order to answer your question properly
3 0
3 years ago
Other questions:
  • What number should be added to the expression x^2 + 2x to change it into a perfect square trinomial?
    13·1 answer
  • You have just bought a new television and it has an aspect ratio of 16:9. The screen on the television is 65 inches. What is the
    7·1 answer
  • Evaluate 2d+3 when d=8
    10·2 answers
  • Do these side lengths make a triangle?<br> 8 8 4
    11·2 answers
  • Help please help 10
    13·2 answers
  • What is the answers to
    11·1 answer
  • Compare your estimates for the percentage of male university students from part A and part B. Which estimate do you think is mor
    11·1 answer
  • Hoi i need this ✨AnsWeREd✨
    15·2 answers
  • A line goes through the points (8,9) (-2,4)
    8·1 answer
  • ***WORTH 40 POINTS*** [−3−4x≤21]
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!