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
elena-14-01-66 [18.8K]
3 years ago
8

I don't know how to solve these two types of questions: (x+y)(x-y)=20 and (z+z)(z+z)=63

Mathematics
1 answer:
Ksju [112]3 years ago
7 0

3 fdjfjddjdnsnfjdjfjdjdjdjdjdnekvidijrrjen ekfodi sifu shav csjrejfjejejjfjdffjdjdj

You might be interested in
What is Three to the power of negative three
Rom4ik [11]

Answer:

0.04

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Rita, Abdul, and Deon have a total of $ 128 in their wallets. Abdul has $8 less than Rita. Deon has 3 times what Abdul has
Charra [1.4K]

Answer:

They have all together 1,208$

Step-by-step explanation:

Do subtraction first, 128- 8= 120 so Abdul as 120$

Deon is multiplication, 8x120=960$

Rita has 128$

3 0
3 years ago
Help me solve this problem
Elenna [48]

Answer:

=, there are equal

Step-by-step explanation: < means less than and > means greater than and = is just equal.

Use your calculator to the square root of 125.

The answer is 11.180...... and so on. But we just leave it as 11. Therefore, 11 and 11 are equal. That's the answer to your question.

4 0
2 years ago
the sum of the measure of the interior angle of a convex polygon is 1080 find the number of sides of each polygon
pogonyaev

Answer:

8

Step-by-step explanation:

The formula to calculate the sum of interior angles of polygon is (n - 2)180

Where n represents number of sides

(n-2)180 = 1080 ------ Divide through by 180

(n-2)180/180 = 1080/180

n-2 = 6

n = 6+2

n = 8

6 0
3 years ago
Any help on this please ?
dlinn [17]

Answer:

(0,-5), I believe.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • 8) Solve the equation for m<br> 7m-(5m-12) =8+2m+4
    15·1 answer
  • If f(x) = 4x + 5, determine the value of f(−3) .
    7·2 answers
  • If 4 is subtracted from twice a number the result is 10 less than the number
    13·2 answers
  • From the set {7, 9, 36), use substitution to determine which value of x makes the inequality true..
    9·1 answer
  • Use the quadratic formula to solve x^2+20=2x what are values of x
    7·1 answer
  • Explain how you could use a number line to determine the number. Also, determine the number.
    10·1 answer
  • What is the answer to this question
    15·2 answers
  • Evaluate: 10/ 12 • 2/ 3
    10·1 answer
  • Work out the area of a rectangle with base, b = 36mm and perimeter, P = 94mm.​
    7·1 answer
  • A square of side 72 cm and a rectangle of length 90 cm have same perimeter. Find the difference in areas ?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!