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dmitriy555 [2]
2 years ago
12

Factorise fully (please help) ​

Mathematics
1 answer:
Alona [7]2 years ago
4 0

Answer:

(2ab + 1) • (4a2b2 + 2ab + 1)

——————————————

8

this is the answer I ended up with

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Cos(-170°) = _____<br><br> -cos10°<br> cos10°<br> cos(-10°)
Lera25 [3.4K]

Answer:

<h3>-cos10°</h3>

Step-by-step explanation:

cos is positive at first and fourth quadrant

so, cos (-x) = cos (x)

also, cos(180-x) = -cos x

        cos (180+x) = -cos x

cos (-170°) = cos (170°)

cos(170°) = cos (180° - 10°)

              =  - cos 10°

7 0
2 years ago
Solve.<br> -|-10|+ (-3) + |5|=<br> A. -18<br> B-8<br> C. 8<br> D. 12<br> E18
hram777 [196]

Answer:

The answer is for-|-10|+(-3)+|5|=-8 which is B

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2 years ago
A triangle with the sides 6,8 and 10 . what kind of triangle is it ?
Taya2010 [7]
It would be right-angled Triangle.

You can check for that, by putting the values into Pythagoras Theorem:
H² = P² + B²
10² = 8² + 6²
100 = 64 + 36
100 = 100
L.H.S = R.H.S

As it obeys Pythagoras theorem, It would be a right-angled triangle only, with two small arms (Base  & Perpendicular) and a long arm, opposite to perpendicular (Hypotenuse)!!!

Hope it helped.

6 0
2 years ago
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Which of the following would be the most appropriate unit to measure the volume of oil in a large tank?
Elenna [48]

Answer:

Option C

Step-by-step explanation:

Option D's unit is not used in volume measurement. A "ton" is 2,000 lbs. Pounds are not used to measure volume.

Since we are looking at the volume of a "large tank", then a quart and a pint would be too small, and therefore, not the most appropriate units to measure the volume of the tank with.

A "kiloliter" is equivalent to 1,000 liters. Note that the prefix "Kilo-" means 1,000. A kiloliter would be appropriate for measuring the volume of a large object, in this case a oil tank. It is the most appropriate out of the options given.

Option C should be the correct answer.

5 0
3 years ago
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An experiment involves rolling a die and drawing a card from a standard deck of 52 cards.What is the probability that the die la
MakcuM [25]

Answer:

the probability of the die landing on 4 is 4/6 or 1/3 and the probability of the card drawn from the deck is a heart is 13/52 or 1/4.

Step-by-step explanation:

5 0
2 years ago
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