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Minchanka [31]
4 years ago
11

A firework is fired vertically into the air at a speed of 100 m/s. The expression −5t2 + 100t + 40 gives the height of the firew

ork after t seconds. Factor this expression.
Mathematics
1 answer:
ladessa [460]4 years ago
3 0

Answer: -5(t^2-20t-8)

Step-by-step explanation:

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One-half of the sum of a number and 6 is less than 25. What is the number
Leno4ka [110]

Answer:

44

Step-by-step explanation:

1/2(n + 6) < 25         Distribute

1/2n + 3 < 25

       - 3     - 3           Subtract 3 from both sides

1/2n < 22                  Multiply both sides by 2 or divide by 1/2

n < 44

If this answer is correct, please make me Brainliest!

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4 years ago
Sandra has 1/2 of cup of sugar. She needs 3/4 of a cup of sugar to complete a recipe. What fraction of the required amount does
ValentinkaMS [17]
Example: Set up proportions.

3/4 cups → 1 batch
x cups → 2 batches

x = 2(3/4) = 6/4 = 1 1/2 cups

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y = 9(3/4) = 6 3/4 cups
7 0
3 years ago
I have 17 ones. I am between 30 and 40. What number am I?
balu736 [363]

Answer:

37 I think

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A park in a subdivision has a triangular shape. Two adjacent sides of the park are 533 feet and 525 feet. The angle between the
saveliy_v [14]

Answer:

111,739 square feet

Step-by-step explanation:

Two adjacent sides of the park say x and y are,

x=533feet

y=525feet

A=53º

area=1/2*b*c*sin(A)

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6 0
2 years ago
Amy bill cara each played a game amys score was ten times bills score
Andrew [12]

Answer:

10:1:5

Step-by-step explanation:

Given that,

A game was played by Amy, Bill, and Cara.

Let Amy's score be x. Then,

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Cara's score = x/2

Now,

The ratio of their scores;

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= 1 : 1/10 : 1/2

To equalize the scores, multiply all of them by 10

= (1 * 10): (1/10 * 10) : (1/2 * 10)

= 10 : 1 : 5

Thus, the simplest ratio form would be 10:1:5

6 0
2 years ago
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