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
SCORPION-xisa [38]
2 years ago
12

Express (root 19 - root 7)(root 19 + root 7) in simplest form.

Mathematics
2 answers:
r-ruslan [8.4K]2 years ago
7 0

Answer

root 354

Step-by-step explanation:

Svetllana [295]2 years ago
3 0

Answer:

12

Step-by-step explanation:

(√19 -√7)(√19 +√7)

( a +b)( a -b) = a²-b²

(√19)² -(√7)² = 19 -7 = 12

You might be interested in
Vincent works 8 hours a day for 5 days. How much does he earn at the rate of $.97 per hour?
Tresset [83]

Answer:

$38.8

Step-by-step explanation:

First, find how much money he gets paid in a day. Multiply 8 x .97, which equals $7.76. Then, multiply $7.76 x 5 to see how much he gets paid in 5 days. $7.76 x 5= $38.8

Hope this helps!

6 0
2 years ago
Read 2 more answers
What is two mixed numbers that have the sum of 3
Juli2301 [7.4K]
Mixed numbers are a mix of a whole number and a fraction
a easy one is
1 and 1/4+1 and 3/4
1 and 1/2 +1 and 1/2
1 and 9/10 and 1 and 1/10
etc
6 0
2 years ago
The Temperature over a 4 day period in Pittsburgh were as follows -6, 10, 6?and -2. Find the mean
Pepsi [2]

Answer:

You add them, then subtract them by how many numbers there are :) So add them then subtract them by 4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the median of this set values?
Ierofanga [76]
The answer is D. 18.5
How? Because you have the numbers in order and cross the out it leaves you with 17, and 20 and the number between can be 19 or 18.5.

Hope I helped

Mark as brainliest?
5 0
3 years ago
Read 2 more answers
Please help me with this!!!!!
nataly862011 [7]
A because u can clearly see how the line is connected and if u count to where the line is u will see that it is A
7 0
2 years ago
Other questions:
  • A building 82 ft high casts a 205-ft shadow. Sarah casts a 10-ft shadow. The triangle formed by the building and its shadow is s
    15·2 answers
  • jocelyn is playing a game she gains 4 points, looses 8 points, and gains 3 points.what is her final score?
    12·1 answer
  • Plz help
    6·1 answer
  • Factor Quadratics
    9·1 answer
  • How many ounces of 50% alcohol solution must be mixed with 80 ounces of a 20% alcohol solution to make a 40% alcohol solution?
    10·1 answer
  • Can someone help me
    8·1 answer
  • The height of a free falling object is represented by the expression -16t2 + v02 + h0 where v o is the initial velocity of 80 fe
    14·2 answers
  • Is the graph increasing, decreasing, or constant?
    8·2 answers
  • A triangle with vertices at A(0,0), B(0,4), and C(6,0) is dilated to yield a triangle with vertices at A(0,0), (B(0,10), and C (
    11·1 answer
  • Maribeth has 131 ounces of sandwich meat. How many sandwiches can she make if she puts 2.5 ounces of meat on each sandwich? She
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!