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Katarina [22]
2 years ago
8

The diagonals of a square are

Mathematics
1 answer:
ehidna [41]2 years ago
7 0

Answer: A square has two diagonals. Each one is a line segment drawn between the opposite vertices (corners) of the square. The diagonals have the following properties: The two diagonals are congruent (same length).

Step-by-step explanation:

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If A = 3x power 2+2y + 2 and B=6x power 2 - 8y + 1 then A+B and A-B​
ollegr [7]

Answer:

see explanation

Step-by-step explanation:

Given A = 3x² + 2y + 2 and B = 6x² - 8y + 1 , then

A + B

= 3x² + 2y + 2 + 6x² - 8y + 1 ← collect like terms

= 9x² - 6y + 3

-------------------------------

A - B

= 3x² + 2y + 2 - (6x² - 8y + 1) ← distribute parenthesis by - 1

= 3x² + 2y + 2 - 6x² + 8y - 1 ← collect like terms

= - 3x² + 10y + 1

5 0
3 years ago
A parking meter charges $2 per hour. as a driver parks her car, she notices that the parking meter has 15 minutes remaining on i
Ne4ueva [31]
<span>The parking meter charges $2 per hour, means that each half hour costs $1.

Thus, 1$ pays for half an hour, so d $ pay for d half hours, that is d/2 hours, which is 0.5d hours.

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3=0.5d+0.25

Answer: B</span>
7 0
3 years ago
Read 2 more answers
Find the measure of angle x in the figure below:
Sergeeva-Olga [200]

Answer:

30 degrees.

Step-by-step explanation:

We are going to use two theorems: Triangle Sum Theorem and Vertical Angles Theorem. Please let me know if you need me to define them.

Here is how I solved this problem:

75+75 = 150.

180-150 = 30(Triangle Sum theorem)

x = 30(Vertical Angles theorem.)

3 0
2 years ago
12. The width w of a rectangular swimming pool is 7x2. The area A of the pool is 7x3 – 42x2. What is an expression for the lengt
KiRa [710]
  A = lw
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7x²(x) - 7x²(6) = l(7x²)
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3 years ago
Which rates are equal? Choose 2. A. $28 per 8 salads B. $42 per 12 steaks C. $45 per 18 rolls of paper towels D. $57 per 20 boxe
Assoli18 [71]
A = 3.5
b = 3.5
c = 2.5
d = 2.85
e = 2.6
The two unit rates that are equal are a and b
28 per 8 salads and 42 per 12 steaks have equal unit rates.
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3 years ago
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