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Vsevolod [243]
3 years ago
10

What two consecutive whole numbers that square root of 86 lies between

Mathematics
1 answer:
aleksklad [387]3 years ago
5 0

sqrt(86) = 9.273

which is between 9 & 10

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The statements below can be used to prove that the triangles are similar. ? △ABC ~ △XYZ by the SSS similarity theorem. Which mat
Vsevolod [243]

Solution:

It is given that two triangles Δ ABC and Δ X Y Z are similar by Side -Side - Side(SSS)  Similarity theorem.

So, the Statement which is given, that is →→∠B ≅ ∠Y and ∠B ≅ ∠Z, is inadequate for similarity criterion by SSS, as these statement are about angles of Triangles,not sides, which can't be true.

So, if the two triangles are Similar by SSS criterion , then the appropriate mathematical statement must be,

⇒\frac{AB}{XY}=\frac{BC}{ZY}=\frac{AC}{XZ}

8 0
2 years ago
Read 2 more answers
Please help me out please
natita [175]

Answer:

RC = 40

Step-by-step explanation:

Note that the circumcentre is equally distant from the triangle's 3 vertices.

That is : PC = RC = QC

Equate any pair and solve for x

Using RC = PC, then

5x - 15 = 3x + 7 ( subtract 3x from both sides )

2x - 15 = 7 ( add 15 to both sides )

2x = 22 ( divide both sides by 2 )

x = 11

Hence

RC = (5 × 11) - 15 = 55 - 15 = 40 units

5 0
3 years ago
If Y varies directly with X solve the following :
tresset_1 [31]

Answer:

B) When Y = 90

X = 90 x -3

= -270

C) When X = -8

Y = 33.6(approx.)

D) When Y = 12.6

X = 12.6 x 3

= 37.8

Hope this helps!

4 0
3 years ago
If x = -6, which inequality is true?
igomit [66]

Answer:

C. 1 - 2x > 13

Step-by-step explanation:

you just substitute

8 0
3 years ago
Identify the terms of the expression and their coefficients
Vera_Pavlovna [14]

Answer:

Terms: 4x, -\frac{x}{2}

Coefficients: 4, \frac{1}{2}

Step-by-step explanation:

The terms of an expression are the numbers and variables that are being added. In this expression 4x is being added to -\frac{x}{2}. This means that they must be the terms. The coefficients are the constants that come before a variable. A variable is an unknown number represented by a letter, in this case, x. So the coefficients are 4 and \frac{1}{2} because both these numbers are being multiplied by a variable.

8 0
2 years ago
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