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
dexar [7]
3 years ago
11

Which expression is equivalent to 81-16x^2

Mathematics
1 answer:
iris [78.8K]3 years ago
4 0
Is should be (9-4x)•(9+4x)
You might be interested in
Suppose we describe the weather as either hot ​(Upper H​) or cloudy ​(Upper C​). Answer parts​ (a) and​ (b) below.
Ket [755]

Answer:

{HH,CC,HC,CH}

Step-by-step explanation:

We are given that

H denotes hot and cloudy denotes C.

We have to find the  total possible outcomes for the weather on two consecutive days.

The possible cases in two consecutive days

Both days are hot=HH

Both days are cloud=CC

First day is hot  other day cloudy=HC

First day is cloudy other day is hot=CH

Total possible cases=HH,CC,HC,CH

Therefor, the total outcomes for the weather on two consecutive days={HH,CC,HC,CH}

4 0
3 years ago
Last one plz help me!
Mashutka [201]

Answer:

a) no real solutions

Step-by-step explanation:

the discriminant (b² - 4ac) is negative which indicates no real solutions

3 0
3 years ago
Melissa has 36 more crayons than her brother her brother has 49
Lorico [155]
Melissa has 85 crayons because you do 36+49
5 0
4 years ago
Read 2 more answers
Will mark Brainliest! You MUST explain step-by-step how you solved the problem.
sergiy2304 [10]

Answer:

choice C) 30 ft

Step-by-step explanation:

tan 41° = height/34

0.8693 = height/34

height = 29.56 or rounded to 30 ft

3 0
3 years ago
Find the slope between (2,4) and (4,6). Reduce it.<br> show your work
zloy xaker [14]
3,5

1 across and 1 down pattern
find the halfway point
5 0
3 years ago
Other questions:
  • How many different ways can you solve a quadratic equation? List them.
    9·1 answer
  • Someone plz answer this one!
    9·1 answer
  • What is the area of a kitchen floor that measures 15 1/4 feet by 13 3/4 feet
    6·1 answer
  • If a rectangular park is 150 yards on one side and 125 yards on the other and Debbie wanted to walk 1,000,000 yards how many tim
    6·2 answers
  • What is the solution to equation 8-2x+6=24
    5·2 answers
  • Michael wanted to make another quilt with an area of 42 square feet. What are its possible dimensions of they must be whole numb
    14·1 answer
  • 1. Name the angle below in four ways. Then classify it as acute, right, obruse, or straight.
    12·1 answer
  • 100 points.<br> Find the surface area of the triangular prism. The unit is cm^2
    14·2 answers
  • 1. You want to buy a new gaming system that costs $500. This week Best Buy has it on sale for 15%
    7·1 answer
  • Sherri has 23 pieces of jewelry to sell. She sells the bracelets for $2 and the necklaces for $3, and earns a total of $55. If t
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!