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Anuta_ua [19.1K]
3 years ago
8

Ann is grouping 38 rocks se can put them into Groupon of 10 rocks or as single rocks. What are the difierent ways Ann can Groupo

n the rocks
Mathematics
1 answer:
exis [7]3 years ago
5 0
She could switch them around by grouping them into groups of 4s, 3s, 2s, or 5s.
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7 0
3 years ago
PLEASE HELP<br> find the vertex of f(x)=x^2+2x+3 (make sure you show your work)
kotegsom [21]

Answer:

(- 1, 2)

Step-by-step explanation:

Given a quadratic in standard form y = ax² + bx + c : a ≠ 0

Then the x- coordinate of the vertex is

x_{vertex} = - \frac{b}{2a}

f(x) = x² + 2x + 3 ← is in standard form

with a = 1 and b = 2, hence

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

Substitute x = - 1 into f(x) for corresponding value of y

f(- 1) = (- 1)² + 2(- 1) + 3 = 1 - 2 + 3 = 2

vertex = (- 1, 2 )

4 0
3 years ago
A water tower casts a 100- foot shadow. At the same time, an 8- foot street sign casts a shadow of 6 feet. what is the height of
Elina [12.6K]
Set up and solve an equation of ratios.  Comparing shadow lengths, we get 100/6; comparing heights, we get x/8.  Set these two ratios equal to one another and solve the resulting equation for x:

100       x
----- = ------      Then 6x=800, and x = 800 feet^2 over 6 feet.  Your answer 
   6        8

must have the unit of measurement "ft."


6 0
3 years ago
Brandon bought 6 toy cars. The cars came in p packages. Write an expression that shows how many toy cars were in each package.
Readme [11.4K]
Well in order to find how many toy cars were in each package you would need to divide the number of toy cars by the number of packages. So your expression would be p / 6. 
7 0
3 years ago
Subtract.
Goryan [66]

Answer: the answer your looking for is

-5 7/10

Step-by-step explanation:

3 0
2 years ago
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