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
alisha [4.7K]
3 years ago
13

Can someone explain and help me with this?

Mathematics
1 answer:
vovangra [49]3 years ago
4 0

Answer:

A) a²-2a+2a-4 the a is correct check my explanation to understand the answer.

Step-by-step explanation:

(a+2)(a-2)= a²-2a+2a-4

You might be interested in
Find the area of a pentagon with apothem = 6.88m and side length = 10m.
erik [133]

<em>A</em>=1/4 times the square root of

5(5+2 square root5) times apothem squared

Plug everything into the equation and you get

≈172.04774

The answer is about 172.05

4 0
3 years ago
WELCOME<br> ANSWER FOR F.REE POINTS YW <br> NO LINKS THO OR ILL REPORT
garik1379 [7]

Answer:

How generous of you~

Make sure to stay healthy and safe.

Step-by-step explanation:

7 0
3 years ago
Sasha can mow 3/8 of an acre of grass in 45minutes.how many acres of grass does Sasha now per hour?
horrorfan [7]
Keeping in mind that an hour is 60 minutes.

\bf \begin{array}{ccll}&#10;\stackrel{acre}{grass}&\stackrel{minutes}{time}\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;\frac{3}{8}&45\\&#10;g&60&#10;\end{array}\implies \cfrac{\frac{3}{8}}{g}=\cfrac{45}{60}\implies \cfrac{\frac{3}{8}}{\frac{g}{1}}=\cfrac{45}{60}\implies \cfrac{3}{8}\cdot \cfrac{1}{g}=\cfrac{45}{60}&#10;\\\\\\&#10;\cfrac{3}{8g}=\cfrac{45}{60}\implies 180=360g\implies \cfrac{180}{360}=g\implies \cfrac{1}{2}=g
6 0
3 years ago
What are the x and y-intercepts of the line described by the equation?
Semmy [17]

Step-by-step explanation:

x intercept is at y=0

2x= 12.4

x = 6.2

y intervept is at x=0

4y= 12.4

y = 3.1

7 0
4 years ago
A marker is 0.13 meters long. What is the length in millimeters?
Kamila [148]

Answer:

The length in millimeters 130 mm

Step-by-step explanation:

You are going to multiply 0.13 by 1000 to get a total of 130

5 0
3 years ago
Read 2 more answers
Other questions:
  • Melissa needs to wrap a gift box that is shaped like a rectangular prism. The length is 6 inches, the width is 6 inches and the
    7·1 answer
  • Find the standard deviation for each group of data items. Round answers to two decimal places. 7,9,9,15​
    12·1 answer
  • (6^2)^x =1 please help ASAP please
    13·2 answers
  • Kiley can complete 35 math problems in 1 1/4 hours.How many can she complete in one hour
    13·2 answers
  • Hi me again. I think I know what to do but I wanna make sure. So again I got asked this on my math hw and I think I understand b
    13·1 answer
  • Find the area of the trapezoid below by decomposing it into fimilar shape?​
    12·1 answer
  • Jackie correctly solved this equation:
    15·2 answers
  • In the following diagram it is know that AC≅BC, DE⊥AD, and m∠C=106°. Using this information find m∠E.
    7·1 answer
  • The Martinez Family has driven 240 miles so far. Their total trip is 300 miles. What percentage of the trip have they already dr
    8·2 answers
  • Identify the graph of y=x3.<br> 4<br> 2.<br> - 2<br> 2<br> 1<br> A<br> Intro
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!