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
-Dominant- [34]
2 years ago
7

Expand. If necessary, combine like terms (2+x)(2-x)

Mathematics
1 answer:
Anastaziya [24]2 years ago
5 0

Answer:

-x^2+4

Step-by-step explanation:

2*2=4

2(-x)+2(x)=0

x(-x)=-x^2

You might be interested in
The ratio of boys to girls in a class room is 5 to 7. If there are 30 boys then how many girls are there
Brums [2.3K]

Answer:

The ratio of boys to girls to 5:7

Let the number of boys be 5x

Let the number of girls be 7x

5x = 30

x = 6

Now just plug in 6 for the x in 7x

and number of girls 7 x 6 = 42

4 0
3 years ago
Read 2 more answers
Simplify (4a^m+3)^3*(1/16a^1-m)^2
Marina86 [1]

The simplified answer is 27m^2

3 0
2 years ago
You have 350 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river
IrinaVladis [17]

The length and width that will maximize the area are 175 ft and 87.5 ft respectively

The largest area that can be enclosed is 15312.5 ft²

<h3>Area of a rectangle</h3>
  • area = lw

where

l = length

w = width

The fencing is 350 ft it is use to enclose a rectangular plot with a river occupying one part.

Therefore,

perimeter = l + 2w

350 = l + 2w

l = 350 - 2w

area = (350 - 2w)w

(350 - 2w)w = 0

where

w = 0 or 175

average = 175/2 = 87.5

Hence, the max area is at w = 87.5 ft

Therefore,

l = 350 - 2(87.5) = 175 ft

length = 175 ft

width =  87.5 ft

Therefore,

area = 175 × 87.5 = 15312.5 ft²

Therefore, the largest area that can be enclosed is 15312.5 ft²

learn more on rectangle here: brainly.com/question/11630499

4 0
2 years ago
Trigonometric Ratios
Burka [1]

Answer:

Sis I can't see

Step-by-step explanation:

.

.

.

.

.

Bnnn t is a great place to

7 0
3 years ago
Find the distance between (2,7) and (-6,-2)
stepladder [879]

Answer: \sqrt{145}

Step-by-step explanation:

1. use the distance formula!

distance = \sqrt{(x_{2} - x_{1})^{2}  +{(y_{2} - y_{1})}^2

2. then using the distance formula with (2, 7) and (-6, -2) you get...

distance= \sqrt{2 -(-6)^2 +(7 - (-2)^2}

distance= \sqrt{8^2 +9^2}

distance=  \sqrt{64 +81}

distance= \sqrt{145}

\sqrt{145} is the simplest radical form

:D

6 0
3 years ago
Other questions:
  • 9.6 divided by 2 estimate the quotient
    6·2 answers
  • 2/3-1/2=4/?-?/6 find the missing values
    7·1 answer
  • Dexter earns $12.50 each hour he helps his dad with landscaping.he helped his dad for 4.5 hours last weekend .How much did dexte
    6·1 answer
  • Find f(g(4)).<br> fg(4)) =
    5·1 answer
  • Eight times a number is not less than the sum of the number and fifty
    6·1 answer
  • Factor:
    9·1 answer
  • PLEASE HELP! MIDDLE SCHOOL MATH! The dot plot below shows the number of baskets made by Elena over 12 practice sessions. What is
    9·2 answers
  • solve 49x + 9 equals 49x + 83. does an equation have one solution, no solution, or infinitely many solutions? write two equation
    6·2 answers
  • Mario and his 3 friends attend a professional football game after parking tickets and food they spent 240 total Mario tells his
    13·1 answer
  • Roxanne has 1/2 as many beads as Sherie. The number of beads Sherie has is 4/5 that of ting ting's. Ting Ting has 165 beads. How
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!