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storchak [24]
2 years ago
12

A number greater than 18.55 and less than 18.6

Mathematics
2 answers:
IgorC [24]2 years ago
8 0
18.56,18.57,18.58,18.59
yuradex [85]2 years ago
4 0
18.56, 18.57, 18.58 or 18.59?
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Which 2 expressions are equiavalent to -40/9
Sidana [21]

Answer:

360 is the answer

Step-by-step explanation:

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carryonlearing

8 0
2 years ago
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A triangle has 3 angles and one has 35 degrees and the other has 35 degrees and 90 degrees. There is also a wide angle next to t
SIZIF [17.4K]
Since the triangle is isosceles, (it has 2 equal angles). We can easily figure out what the outside angles are because they are the same. When finding an outside angle, you subtract the inside angle next to it by 180 degrees for your answer.

180- 35= 145 degrees

The outside angles are equal to 145 degrees.

I hope this helps!
~kaikers
5 0
3 years ago
Please help ill mark brainliest​
liraira [26]

Answer:

it's 11

Step-by-step explanation:

8 0
2 years ago
suppose someone tells you that she has a triangle with sides having lengths 2.6,8.1 and 8.6. Is this a right triangle? why or wh
sveta [45]
If you're only provided with the lengths of a triangle, and you're asked to determine whether or not the triangle is right or not, you'll need to rely on the Pythagorean Theorem to help you out. In case you're rusty on it, the Pythagorean Theorem defines a relationship between the <em>legs</em> of a right triangle and its <em>hypotenuse</em>, the side opposite its right angle. That relationship is a² + b² = c², where a and b are the legs of the triangle, and c is its hypotenuse. To see if our triangle fits that requirement, we'll have to substitute its lengths into the equation.

How do we determine which length is the hypotenuse, though? Knowledge that the hypotenuse is always the longest length of a right triangle helps here, as we can clearly observe that 8.6 is the longest we've been given for this problem. The order we pick the legs in doesn't matter, since addition is commutative, and we'll get the same result regardless of the order we're adding a and b.

So, substituting our values in, we have:

(2.6)² + (8.1)² = (8.6)²

Performing the necessary calculations, we have:

6.76 + 65.61 = 73.96
72.37 ≠ 73.96

Failing this, we know that our triangle cannot be right, but we <em>do </em>know that 72.37 < 73.96, which tells us something about what kind of triangle it is. Imagine taking a regular right triangle and stretching its hypotenuse, keeping the legs a and b the same length. This has the fact of <em>increasing the angle between a and b</em>. Since the angle was already 90°, and it's only increased since then, we know that the triangle has to be <em>obtuse</em>, which is to say: yes, there's an angle in it larger than 90°.
3 0
2 years ago
Does anybody know the answer to this
kvv77 [185]

substitute 3 in X's place

-2x + 5 = -2(3) + 5 = -6 + 5 = -1

hope it helps...!!!

6 0
1 year ago
Read 2 more answers
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