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2 years ago

What equals -9 + 6 please help me pleassssssse

Mathematics

2 answers:

Tanzania [10]2 years ago

8 0

Answer:

-3

Step-by-step explanation:

-9+6=

6+(-9)

6-9=

=-3

AURORKA [14]2 years ago

3 0

Answer:

-3

Step-by-step explanation:

since the 9 in negative you subtract 9 by 6 and you get 3 then you put the negative sign in front of the 3 making it -3

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If a coin has been altered so that the probability of heads coming up is 3/10, then the probability of tails coming up is also 3

Vadim26 [7]

False. Since the probability of one side of the coin is 3/10, the other must be 7/10.

6 0

3 years ago

Read 2 more answers

PLEASE HELP

irina [24]

Answer:

$12\sqrt{3}$ feet

Step-by-step explanation:

In a 30-60-90 triangle, the ratios of the side lengths of the triangle is $1:\sqrt{3} :2$

Where 1 is the shortest leg, root(3) is the longer leg, and 2 is the hypotenuse.

First we can set x equals to the length of the original pole, and so the shorter leg has a length of x/3 and using the ratio of side lengths, we can find that:

$\frac{x}{3} * \sqrt{3} = \frac{\sqrt{3} x}{3} = 12$

Solving for x, we find that

$x=\frac{36}{\sqrt{3} } = \frac{36 * \sqrt{3} }{\sqrt{3} * \sqrt{3} } = \frac{36 \sqrt{3} }{3} = 12\sqrt{3}$

So the length of the original pole would be $12\sqrt{3}$ feet

If you found this answer helpful, please consider marking it as brainliest, or give it a thanks and a 5 star review. Thanks!

6 0

2 years ago

Which set of lengths are the side lengths of a right triangle? (9,15,17) (14,23,25) (20,30,40) (15,36,39)

goldfiish [28.3K]

Answer:

(15, 36, 39)

Step-by-step explanation:

Using pythagoreas formula: A^2 * B^2 = C^2

so a=15, b=36, c=39

15^2+36^2=39^2

6 0

3 years ago

10(a-2.5+0.56b) is this equivalent to 10a - 25+56b

kirill115 [55]

Hey there!

10(a - 2.5 + 0.56b)

= 10(a) + 10(-2.5) + 10(0.56b)

= 10a - 25 + 5.6b

= 10a + 5.6b - 25

Therefore, your answer is: 10a + 5.6b - 25

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

3 0

2 years ago

What is the value of the expreson 4 tiny 4

o-na [289]

If u mean 4^4 or four to the fourth power then it’s 256

3 0

3 years ago