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larisa [96]
4 years ago
7

Using the completing-the-square method, rewrite f(x) = x2 − 8x + 3 in vertex form.

Mathematics
1 answer:
Ksivusya [100]4 years ago
6 0
F(x)= (x+4) ^{2} -13 is the answer
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One of the same side angles of two parallel lines is 20° smaller than the other one. Find the measures of these two angles.
Norma-Jean [14]

Answer:

The measure of these two angles are 80° and 100°

Step-by-step explanation:

Let

x and y ----> the measure of the same side angles

we know that

The sum of of the same side angles of two parallel lines is equal to 180 degrees

x+y=180° -----> equation A

x=y-20° ----> equation B

substitute equation B in equation A and solve for y

(y-20°)+y=180°

2y=180°+20°

y=200°/2

y=100°

Find the value of x

x=100°-20°=80°

8 0
3 years ago
PLEASE HELP!!!25 points!!
Aleksandr-060686 [28]

Step-by-step explanation:

for part A

7x-6x+4x

x+4x

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for part B

3(3-9y)

9-27y

I would appreciate if my answer is chosen as a brainliest answer

4 0
2 years ago
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crimeas [40]

Answer:

Letter D

Step-by-step explanation:

hope it helps

6 0
3 years ago
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A large sphere at an amusement park is 165 feet in diameter which of the following is closest to the volume in cubic feet of the
kramer

Answer:

Below.

Step-by-step explanation:

The volume of a sphere = 4/3 π r^3    where r is the radius.

Here the radius = 1/2 * 165 = 82.5 ft.

So the volume  = 4/3 π (82.5)^3

= 2,352,071.15 ft^3.

8 0
3 years ago
Can someone help me please?
Hunter-Best [27]
A) 3:2
B) 2 1/4
C) Not sure how I can put in a graph for you. Use the 3:2 ratio to graph
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4 years ago
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