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3 years ago

In ΔABC, if AB = 10 and BC = 6, AC can NOT be equal to

Mathematics

2 answers:

labwork [276]3 years ago

8 0

Answer:

Step-by-step explanation:

Snezhnost [94]3 years ago

4 0

AB=AC-BC
=10-6
=4
If it is a right angled triangle then
AB=8cm
So Ac can not be equal to other number rather than 8 and 6

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The sides of an equilateral triangle are all 8 units long. What is the length of the triangle’s altitude?

True [87]

Answer:

B or 4 $\sqrt[]{3}$

Step-by-step explanation:

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2 years ago

Simplification (a-b)²=a²+2ab-b²

lesya [120]

<h2> ANSWER:</h2>

I wonder if you have your equation wrong, because(a−b)2=(a−b)(a−b)=a2−ab−ba+b2=a2–2ab+b2

 

Your equation, on the other hand, is (a+b)2 and that is not equal to (a−b)2 except when ab=0, i.e. when either a or b equals 0, and that is not what we normally mean by “prove”. Prove would imply “for all values of a and b”, which is not the case in the form you have your equation,

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3 years ago

Translate the word phrase into a math expression.

Afina-wow [57]

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6 0

3 years ago

(Subtract ) f(x) = x + 1 g(x) = x2 + 1

kramer

Answer:

The first question:

x = -1

Step-by-step explanation:

Step 1 :

Pulling out like terms :

1.1 Pull out like factors :

-x - 1 = -1 • (x + 1)

Equation at the end of step 1 :

Step 2 :

Solving a Single Variable Equation :

2.1 Solve : -x-1 = 0

Add 1 to both sides of the equation :

-x = 1

Multiply both sides of the equation by (-1) : x = -1

One solution was found :

x = -1

Processing ends successfully

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3 years ago

two unidentified flying discs are detected by a receiver, the angle of elevation from the receiver to each disc is 38.48 degrees

vivado [14]

Answer:

292.45 m

Step-by-step explanation:

Both disk are at an angle of 38.48°

From the image below we calculate as,

For disk B, direct distance is 1.296 km from receiver = 1296 m

Vertical height from ground will be = 1296 x sin38.48 = 806.42 m

For disk A, direct distance is 826 m from receiver

Verival height above ground = 826 x sin38.48 = 513.97 m

Difference in height between disks is 806.42 - 513.97 = 292.45 m

5 0

3 years ago