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professor190 [17]
2 years ago
7

Susan has 540 marbles to put into gift bags. She can place 15 marbles in each bag. How many bags cans she fill?

Mathematics
2 answers:
vekshin12 years ago
8 0
^^ he is correct give him crown
jarptica [38.1K]2 years ago
3 0

Answer:

36

Step-by-step explanation:

540 divided by 15 equals 36 you're welcome

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David is buying fish for his aquarium. Clown fish cost $12 each and angel fish cost $7 each. If he has $100 to spend, and he wan
Anni [7]

Answer:

6 clown fish and 4 angel fish

Step-by-step explanation:

<u>lets say he bought 8 clown fish. </u>

12*8 = 96

the last 4 dollars wont be used.

<u>lets say he bought 7 clown fish-</u>

12*7 = 84

100 - 84 = 16. 16 is not a multiple of 7.

<u>lets say he bought 6 clown fish,</u>

12*6 = 72

100 - 72 = 28

28/7 = 4

If David has $100 dollars to spend and wants to spend every dollar, he can buy 6 clown fish and 4 angel fish.

3 0
2 years ago
Last week, Jamie counted the number of rice grains in his plate, and found he had 250
Reil [10]

30% decrease
175 divided by 250 = 0.7
1 - 0.7 = 0.3
0.3 = 30%
4 0
2 years ago
a bank tellers hourly wage will increase from $24 to $27.60. what percent increase does this represent?a stereo is marked down $
Aleks04 [339]

Answer:

i know

Step-by-step explanation:

but I don't have pen

8 0
3 years ago
Random groups of 25 graduates of a school of nursing were asked the starting salary for their first nursing job after graduation
laila [671]

Answer:the answers is 75.000

Step-by-step explanation:

6 0
3 years ago
Find the vertex of the graph of f(x)=-4(x-1)(x+5)
madreJ [45]

The vertex of the graph is (h, k) = (- 2, 36).

<h3>How to find analytically the vertex of a quadratic equation</h3>

In this question we have a quadratic equation of the form f(x) = a · (x - r₁) · (x - r₂) and we need to transform the expression into its vertex form of determine the coordinates of the vertex. First, we need to exprand the expression:

f(x) = - 4  · (x - 1) · (x + 5)

f(x) = - 4 · (x² + 4 · x - 5)

f(x) = - 4 · x² - 16 · x + 20

Now we proceed to complete the square:

f(x) = - (4 · x² + 16 · x - 20)

- f(x) = 4 · x² + 16 · x - 20

- f(x) = (2 · x)² + 8 · (2 · x) - 20

- f(x) + 36 = (2 · x)² + 8 · (2 · x) + 16

- f(x) + 36 = (2 · x + 4)²

- f(x) + 36 = 4 · (x + 2)²

f(x) - 36 = - 4 · (x + 2)²

The vertex of the graph is (h, k) = (- 2, 36).

To learn more on quadratic equations: brainly.com/question/17177510

#SPJ1

7 0
1 year ago
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