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Rina8888 [55]
3 years ago
7

The first few steps in deriving the quadratic formula are shown.

Mathematics
2 answers:
Rus_ich [418]3 years ago
5 0

Answer:

• The distributive property needs to be applied to determine the value to add to the left side of the equation to balance the sides of the equation.

Step-by-step explanation:

We have to multiply the term  b2/4a2 by a in order to determine the value to add to the left side of the equation so as to balance both sides of the equation.

If we multiply the terms, we get;

\frac{b^{2} }{4a^{2} }*a=\frac{b^{2} }{4a}

Therefore, we shall be adding the term \frac{b^{2} }{4a} to the left side of the equation.

Lerok [7]3 years ago
5 0

Answer: The answer is choice B.

Step-by-step explanation:

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Find the diameter of a cone that has a volume of 83.74 cubic inches and a height of 5 inches. Use 3.14 for pi.
Agata [3.3K]
Volume of cube = 1/3 * pi * r^2 * h
83.74 = 1/3 x 3.14 x r^2 x 5 = 5.233r^2
r^2 = 83.74/5.233 = 16
r = sqrt(16) = 4

Therefore, d = 2(4) = 8 inches.
5 0
3 years ago
Read 2 more answers
Can you help me with number 2 please show me how you did it thank you
denpristay [2]
Distraibutiv peorpoty
a(b+c)=ab+ac

we have
3a+7+2(3+a)
distribute first
2(3+a)=6+2a

now we have
3a+7+6+2a
move like terms together
3a+2a+7+6
add lke terms
5a+13
7 0
3 years ago
A rectangle is rotated 360 around the y axis. What figure will this rotation create?
avanturin [10]

Answer:

use photo math

Step-by-step explanation:

3 0
2 years ago
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Find each measure.<br> m1, m2, m3
lyudmila [28]

Answer:

second option

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

∠ 1 and 33° form a straight angle and are supplementary, thus

∠ 1 = 180° - 33° = 147°

----------------------------------

The third angle in the triangle on the left is

180° - (33 + 47)° = 180° - 80° = 100°, thus

∠ 2 = 180° - 100° = 80°

--------------------------------------

∠ 2 and the angle in the triangle form a straight angle and are supplementary,

angle = 180° - 80° = 100°

The third angle in the triangle on the right is

180° - (100 + 48)° = 180° - 148° = 32°, thus

∠ 3 = 180° - 32° = 148° ( straight angle )

Thus

∠ 1 = 147°, ∠ 2 = 80°, ∠ 3 = 148°

6 0
3 years ago
These triangles are similar Find the value of x
Grace [21]

Answer:

C. 4

Step-by-step explanation:

This is just a common ratio.  These two triangles are alike, just that one is smaller than the other.  You can see that one of the sides of the big traingle is 10.  The same side of the smaller triangle is 5.  That means the big traingle's side is twice as big as the small circle's.  

10 divided by 5= 2

If the big triangle's side got divided by 2 to get the smaller triangle's side. So,  that means the other side of the big triangle, 8 is twice as big as the side on the smaller triangle, x.  

8 divided by 2= x

8 divided by 2= 4, so x= 4.

This is the ratio:

8:10 to x:5

As you can see the 10 got divided by 2 to get the 5.  So 8 must also get divided by 2, which equals 4.

6 0
3 years ago
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