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rusak2 [61]
2 years ago
11

Which function has a vertex at the origin?

Mathematics
2 answers:
aksik [14]2 years ago
8 0

Answer:

f(x)=-x2

Step-by-step explanation:

I believe the first one has a vertex at (-4, 0), the second at (4, 0), the third at (4, -4). The only remaining answer is the last one.

ddd [48]2 years ago
8 0

Answer:

D. f(x) = –x2

Step-by-step explanation:

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Nataly [62]

Answer:

20 people

Step-by-step explanation:

In this problem, you are solving for 5% of 400. All percentages are out of 100, meaning 5% equals 0.05 because 5 ÷ 100 = 0.05

1. Multiply 400 by 5% (0.05)

400 · 0.05 = 20 people

8 0
3 years ago
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pantera1 [17]

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idk

Step-by-step explanation:

7 0
3 years ago
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AleksandrR [38]

Answer:

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A classroom has 8 boys and 14 students in the whole class whats the ratio from boys to girls
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3 years ago
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Mervin has some cartons of milk. He sold 2/5 of milk in the morning. He sold 3/4 of the remainder in the afternoon. 24 more cart
sergejj [24]

2/5 were sold in the morning. This is equal to 40% of the total.  That leaves 60% leftover.

 

3/4 were sold in the afternoon. This is equal to 75% of the 60% leftover or 45% of the total (.6x.75).

 

The difference between the two sales is 24 cartons or 5% (45%-40%). If 5% is equal to 24 then you can cross multiply to see what is the equivalent number of cartons out of 100%.

 

5/100 = 24/x

5x = 24(100)

5x = 2400

x = 480

 

ANSWER: 480 cartons

6 0
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