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Lelu [443]
4 years ago
12

- 1) Which expression is equivalent to-4-9? 4 - 9 -4+ (-9) - 4+9 4 + 9

Mathematics
2 answers:
Effectus [21]4 years ago
8 0

-4-9 =-13

4-9=-5

-4+(-9): +positive sign and -negative sign=- negative sign

-4-9=-13

-4+9=5

4+9=13

Answer:

-4+ (-9)

Juli2301 [7.4K]4 years ago
5 0

Answer:

-4+(-9)

Step-by-step explanation:

-4-9=-13 and-4+(-9)=-13

which means they're equivalent to each other

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In the cafeteria, tables are arranged in groups of 5, with each table seating 7 students.
Shalnov [3]

Answer:

280 i believe

Step-by-step explanation:

5 x 7 x 8 = 280

4 0
3 years ago
A restaurant bill before tax is $15.50. How much is a 15% tip for this bill? How much money should be left for the whole bill?
ahrayia [7]

Answer:

The tip would be approximately $2.33.  The total amount of money that should be left on the bill is $17.73.

Step-by-step explanation:

To determine the tip: 15.50 times 0.15 = 2.325 ≈ 2.33

To determine the total: 15.50 plus 2.33

4 0
3 years ago
Given 3 sides of a triangle - how to tell it right, acute, or obtuse 8,11, 16
user100 [1]
Using Pythagorean theorem, we can justify our answer.
if c^2 = a^2 + b^2 then triangle is right one,
if c^2 > a^2 + b^2 then triangle is obtuse and
if c^2 < a^2 + b^2 then triangle is acute triangle.

Here a=8, b=11 and c=16
Put these values in the equation
16^2 = 8 ^2 + 11^2
256 = 64 +121
256> 185
So here c^2 > a^2 + b^2  Which means triangle is obtuse triangle.

Answer: Obtuse Triangle


6 0
3 years ago
ASAP !!
brilliants [131]

Answer:

17

Step-by-step explanation:

8 0
3 years ago
the Length breadth and height of a room are 5 metre 4 metre and 3 respectively find the cost of whitewashing the walls of the ro
eduard

Answer:

its going to be 2&3(x+2)(x+3)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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