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solniwko [45]
3 years ago
14

Please I need help on the first one. Can someone explain it to me or answer it

Mathematics
1 answer:
Ede4ka [16]3 years ago
8 0

[A]

This is because a complement is another angle that when you add both of the angles together, it equals 90 degrees.

18*4=72

18+72=90

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bogdanovich [222]
I believe it’s c good luck!
4 0
3 years ago
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Camilla, Lincoln and Ella sat a French test. The test was marked out of 200 Camilla got 4/5 of the 200 marks. Lincoln got 44% of
Dafna1 [17]

Answer: Ella got the highest mark

Step-by-step explanation:

camilla got 160/200 because 200 divided by 5 = 40

lincoln got 88/200 because 44% of 200 is 88

ella   got 198/ 200

6 0
3 years ago
Find the length of side x in simplest radical form with a rational denominator.
devlian [24]

Answer:

x = 2√2

Step-by-step explanation:

This is a 45-45-90 triangle. This means that if the legs are x, then the hypotenuse is x√2.

In the case, the hypotenuse is already 4. So we have the equation:

x√2 = 4

Multiply both sides by √2

2x = 4√2

Divide both sides by 2

x = 2√2

5 0
3 years ago
Simplify 6x + 8 / 4x + 4
Mars2501 [29]

(6x + 8) / (4x + 4)
(3x +4)   2(x  1)

2(3x + 4)  4(x +1) 
3 0
3 years ago
PLEASE HELP ME WITH THIS PROBLEM!!
Veronika [31]
Your answer would be 24, so you got it right.

This is because you need to find the lowest common multiple of 6 and 8, that is, the lowest number that divides by both 6 and 8.

We can do this by either writing out the multiples of 6 and 8 until you find a common one, or you can find the prime factors of 6 and 8 and multiply them:

6-> 3 × 2
8-> 2 × (4)->2 × 2

So we would need to do 3 × 2 × 2 × 2 = 3 × 8 = 24

I hope this helps!
4 0
3 years ago
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