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nlexa [21]
2 years ago
13

The following week they gave another exam. Tina knows she can grade 60 exams in 2 hours

Mathematics
1 answer:
Stella [2.4K]2 years ago
6 0

Answer:

1 1/6 hours

Step-by-step explanation:

Add them together 2 + 1.5 = 3.5

Multiply them together 2 x 1.5 = 3

Take first number and divide by 2nd 3.5 / 3 = 7/6 or 1 1/6 hours

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7f^2 + Fz= ????????????????????!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
netineya [11]

Answer:

7f/z

Step-by-step explanation:

mat h wAyz

6 0
3 years ago
If the diagonals of a quadrilateral bisect the angles, is the quadrilateral always a parallelogram? Explain your answer.
Liula [17]
Yes. If the diagonals bisect the angles, the quadrilateral is always a parallelogram, specifically, a rhombus.


Consider quadrilateral ABCD. If diagonal AC bisects angles A and C, then ΔACB is congruent to ΔACD (ASA). Hence AB=AD and BC=CD (CPCTC).

Likewise, if diagonal BD bisects angles B and D, triangles BDA and BDC are congruent, thus AB=BC and AD=CD. (CPCTC again). Now, we have AB=BC=CD=AD, so the figure is a rhombus, hence a parallelogram.
6 0
2 years ago
Circle the error and explain why it is an error<br><br> Please help ASAP thank you!
Rina8888 [55]

Answer:

Step 2

Step-by-step explanation:

Because when you see number (70)

it's a pos+ so take it to another side to be neg- .

Then : 40-70=-30

NOT 110!!

3 0
3 years ago
If 7+ √5 is equal to √5 plus a number what do you khow about the number why
Scrat [10]
The number is 7 because of the transitive property of addition
6 0
3 years ago
Find the product of 5 and 539.
iris [78.8K]

The product of 5 and 539 is 2695

<h3 /><h3>What does it mean to find the product of numbers:</h3>

Finding the product of numbers simply means multiplying 2 or more numbers.

Therefore, the product of 5 and 539 can be done as follows:

  • 5 × 539

Multiplication or product sign is denoted as ×.

Therefore,

5 × 539 = 2695

learn more on product: brainly.com/question/24867438?referrer=searchResults

8 0
2 years ago
Read 2 more answers
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