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
Pavlova-9 [17]
3 years ago
6

Does anyone know how to do this question ??

Mathematics
1 answer:
Viktor [21]3 years ago
4 0
Y^2-9^2

(y-9)(y+9)

To see if its right:

y*y+y*9-9*y-9*9
y^2+9y-9y-81
y^2-9^2
You might be interested in
The question is on the picture
Kamila [148]

answer:

ABCD is not congruent to KLMN

ABCD cannot be mapped onto KLMN

3 0
3 years ago
One number is 2 less than a second number. Twice the second number is 17 less than 5 times the first
gulaghasi [49]
X=y-2
2y=5x-17
Substituting for x into the second equation, we find
2y=5(y-2)-17
2y=5y-10-17
-3y=-27
y=9
So x=7
Thus, the two numbers are 7 and 9.
4 0
3 years ago
Xavier is a new student, explain to him what a variable is. Use complete sentences.
Anit [1.1K]

Answer:a symbol, usually a letter, used to represent a number.

Step-by-step explanation:

a math process (like adding, subtracting, multiplying, or dividing)

3 0
3 years ago
Lauren bought 6 yellow roses, 10 orange roses, and 12 pink roses to make a bouquet. What is the ratio of the number of yellow ro
7nadin3 [17]

Answer: 1/12

Step-by-step explanation:

It asked for 6 yellow roses to 6.

Then it asked for the total so 6+10+12=72

6/72.

Then simplify it 6/6= 1

72/6= 12

So the answer is 1/12

6 0
3 years ago
A runner is 7/8 mile from the finish line. If she can travel 3/8 mile per minute, how long will it take her to finish the race?
slavikrds [6]
About 2 minutes and 33 seconds?
[ I apologize if this is wrong ]
7 0
3 years ago
Other questions:
  • The state reimburses Mike $.195 cents per mile. Mike submitted his travel log for a total of 480.91 miles. What reimbursement ca
    7·1 answer
  • Which of the following is a solution of x^2 2x = −2?
    8·1 answer
  • PLEASE ANSWER ASAP!!
    7·1 answer
  • Find the surface area of th prism.
    10·2 answers
  • An ordered pair is (1 point) Group of answer choices the output (y) value of the relation the input (x) value of the relation a
    12·1 answer
  • What is 5 to the 3rd power
    10·2 answers
  • Central High wants to estimate the number of seniors who plan to go to a 4-year college. Answer the following.
    10·2 answers
  • 33 pieces of candy were split among friends. If each
    15·1 answer
  • If 15 baseballs cost $9 how much would 30 cost
    12·2 answers
  • Determine whether each of the following pairs of angles have equal measures.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!