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IgorLugansk [536]
3 years ago
13

There are 380 students at Cove Elementary School. The students voted on

Mathematics
1 answer:
Mrrafil [7]3 years ago
6 0
yes because you need to do this then you need to do that and plus yeah you right
You might be interested in
Write fraction in terms of the LCD.<br> 9/16a^3b^3
oee [108]
C and be would be the correct formulas
5 0
3 years ago
Little Joey can finish carpeting ½ of a room in ¼ of an hour. At this rate, how many rooms can he carpet in 1 hour?
mezya [45]

Answer:

2 rooms

Step-by-step explanation:

1/2 divided by 1/4 is 2

2 times 1 = 2

Answer - 2

5 0
3 years ago
This Question: 1 pt 10 of 10 (8 complete) Th One day a store sold 30 sweatshirts. White ones cost $11.95 and yellow ones cost $1
ohaa [14]
W + y = 30......w = 30 - y
11.95w + 12.50y = 364.55

11.95(30 - y) + 12.50y = 364.55
358.50 - 11.95y + 12.50y = 364.55
-11.95y + 12.50y = 364.55 - 358.50
0.55y = 6.05
y = 6.05 / 0.55
y = 11 <=== there were 11 yellow sweatshirts sold

w + y = 30
w + 11 = 30
w = 30 - 11
w = 19 <=== there were 19 white sweatshirts sold
3 0
3 years ago
Given ​ f(x) = x^2 − 2x − 5​.
lukranit [14]

Answer:

(x - 1)^2 - 6

Step-by-step explanation:

You need to know:

Vertex form = a(x -h)^2 + k

The vertex is at

(h, k)

<u>Need to know about perfect squares </u>

<u>Need to know how to complete the square.</u>

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

<u>To convert x^2-2x-5 you need to complete the square on the equation.</u>

Complete the Square x^2 - 2x -5

x^2 - 2x -5

(x^2 - 2x) -5

Divide -2 by 2 and then square it.

\frac{-2}{2} = -1

-1^2 = 1

Add the one to the parentheses and subtract the one from the 5

(x^2 - 2x +1) -5 -1

Square  (x^2 - 2x +1)

(x-1)^2

Now we have

(x - 1)^2 -5 -1

<u>Next add</u> -5 - 1 = -6

(x - 1)^2 - 6

Our quadratic is in vertex form now.

Vertex form = a(x -h)^2 + k

our equation =  (x - 1)^2 - 6

Vertex = (1, -6)

5 0
4 years ago
3x over 10 = 1,290 <br> please help
MAVERICK [17]

3x/10= 1290

Mutiply by 10 for both sides

3x/10*10= 1290*10

Cross out 10 and 10 , divide by 10 and then becomes 3x

3x=12900

divide by 3 for both sides

3x/3= 12900/3

Cross out 3 and 3 , divide by 3 and then becomes x

x= 4300

Answer: x= 4300

8 0
4 years ago
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