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Elena L [17]
3 years ago
7

What is 56.57 rounded to the nearest whole number

Mathematics
1 answer:
const2013 [10]3 years ago
3 0
Your answer would be 57
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The difference between <img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B2%5D%7B72%7D%20%20" id="TexFormula1" title=" \sqrt[2]{72}
ollegr [7]

\sqrt{72}-\sqrt{8}=\sqrt{36\cdot 2}-\sqrt{4\cdot 2}\\\\=6\sqrt{2}-2\sqrt{2}=4\sqrt{2}

4 0
3 years ago
I don’t know the answer
shutvik [7]

Answer:

HJ is 8

JE is 4

Step-by-step explanation:

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7 0
3 years ago
What is the value of 4b ÷ 3, if b =3
Mice21 [21]
The value is 4 because 4b is also 4 times three which is twelve then you divide 12  by three and get 4

7 0
3 years ago
A triangle has sides with lengths of 8 millimeters, 15 millimeters, and 17 millimeters. Is it a right triangle?
olga nikolaevna [1]

Answer:

yes.

Step-by-step explanation:

to find this answer, use the pythagoras theorem. the pythagoras theorem states that a² + b² = c².

to see if this is a right angled triangle, we will use this formula, as the pythagoras theorem only works for right angled triangles.

we are going to work out c, which is always the hypotenuse. the hypotenuse is the longest side of a triangle, that is larger than the other values. we know that the hypotenuse of this triangle is 17, so let’s see if that’s the answer we get.

calculation:

a² + b² = c²

a = 8 millimetres

b = 15 millilitres

c = ?

8² + 15² = c²

64 + 225 = c²

64 + 225 = 289.

289 = c²

√289 = c

√289 = 17.

the pythagoras theorem correctly identified the length of the hypothenuse. as i said earlier, this theorem only works on right angled triangles, therefore, this triangle is right angled.

6 0
3 years ago
Drag the phases into the box to match the expression
Annette [7]
1- one half more than three fourths of a number
2- three fourths minus one half of a number
3- three fourths minus the sum of a number and one half
HOPE THIS HELPS!!
4 0
3 years ago
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