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
Nata [24]
3 years ago
5

Evaluate 10x^2y^-2 for x = –1 and y = –2a) 10(2)^0b) 2 1/2c) 40d) 5/8

Mathematics
1 answer:
timurjin [86]3 years ago
6 0
10x^2y^-2 = 10 x (-1)^2 x (-2)^-2 = 10 x 1 x 1/4 = 10/4 = 2 1/2
You might be interested in
. Complete the missing steps in the paragraph proof of Theorem 3-8.
Crank
To solve for the missing steps, let's rewrite first the problem.

Given:

In a plane, line m is perpendicular to line t or  m⟂t
                  line n is perpendicular to line t  or  n⟂t


Required:

Prove that line m and n are parallel lines


Solution:

We know that line t is the transversal of the lines m and n.

With reference to the figure above, 

∠ 2 and ∠ 6 are right angles by definition of <u>perpendicular lines</u>. This states that if two lines are perpendicular with each other, they intersect at right angles.

So ∠ 2 ≅ ∠ 6. Since <u>corresponding</u> angles are congruent. 

Therefore, line m and line n are parallel lines.
<span>
<em>ANSWERS: perpendicular lines, corresponding</em>

</span>
8 0
3 years ago
Jonathan deposited $10,000 into a new savings account with a simple interest rate of 3.8%. If account has earned $2,470 in inter
vichka [17]

Answer:

6.5 years

Step-by-step explanation:

the amount depositited times percent diveded by the intrest is the years

5 0
3 years ago
I need help with this
melomori [17]
N'(-2,2)
G'(-2,-4)
H'(6,-4)
5 0
3 years ago
How many subjective functions are there from {1,2,3,4} to {1,2,3}
Ann [662]

Answer:

IM ON THE SAME ONEEE let me know when you have it

Step-by-step explanation:

4 0
3 years ago
The price of<br> a watch was increased by 20% to £198.<br> What was the price before the increase?
stich3 [128]

Answer:

£165

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Which statement best describes the function below?
    9·1 answer
  • Use appropriate algebra and theorem 7.2.1 to find the given inverse laplace transform. (write your answer as a function of t.) −
    10·1 answer
  • Maya has $210 in a savings account for a new computer the computer cost $537.15 including sales tax. At the end of each week she
    11·1 answer
  • Hank is opening a special investment CD account that offers 0.45% interest compounded monthly. The account requires a minimal in
    12·1 answer
  • What is mad in math???
    8·2 answers
  • The two lines represented by the equations below are graphed on a coordinate plane. Which statement best describes
    13·1 answer
  • Pls help! I dont know what to put im horrible at patterns
    14·2 answers
  • Please someone help Im confused
    13·1 answer
  • Zayden has a total of 20 bills in his wallet. Also, his wallet only contains $50 and $100 bills. If the numbers of $50 and $100
    15·1 answer
  • Part 1: complete the operations geometrically. vector operations to draw the resultant vector draw 2u + 4v.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!