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DochEvi [55]
3 years ago
6

WILL MARK BRAINLIEST!!! A pyrotechnician plans for two fireworks to explode together at the same height in the air. They travel

at speeds shown below. Firework B is launched 0.25 s before Firework A. How many seconds after Firework B launches will both fireworks​ explode? ​(Simplify your answer. Type an integer or decimal rounded to two decimal places as​ needed.)
Mathematics
1 answer:
avanturin [10]3 years ago
3 0

Answer:

What can u show pic

Step-by-step explanation:

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Evaluate: (d + 1)(d - 1 + 6) <br> d = 2
Allisa [31]
F(d)=(d+1)(d-1+6)
f(d)=(d+1)(d+5)
f(2)=(2+1)(2+5)
f(2)=(3)(7)
f(2)=21
3 0
3 years ago
Math help @Alessandroarenas
frez [133]

Accordinly to the details, i think that A could work.

7 0
3 years ago
What is the greatest common factor of 90, 126, 180 and 990?
mylen [45]

9514 1404 393

Answer:

  18

Step-by-step explanation:

90 = 18·5

126 = 18·7

180 = 18·10

990 = 18·55

The greatest common factor of these numbers is 18.

__

<em>Comment on the GCF</em>

It can be useful to know Euclid's algorithm for finding the GCF:

  1. Determine the remainder from dividing the larger number by the smaller.
  2. If the remainder is zero, the smaller number is the GCF. If the remainder is non-zero, use it to replace the larger number and repeat from step 1.

For example, 126 mod 90 = 36; 90 mod 36 = 18; 36 mod 18 = 0, so 18 is the GCF of 126 and 90. (The modulo function 'mod' returns the remainder from division.)

3 0
2 years ago
How does a digit in the ten thousands place compare to a digit in the thousands place?
andre [41]
Um I think it's like because there's a zero difference like ten thousands have more zeros
3 0
2 years ago
An article reports "sales have grown by 30% this year, to $200 million." What were sales before the growth? An article reports "
zimovet [89]

The amount of sales before growth according to the article is $153.85 million

<h3>How to find sales before growth?</h3>

let

  • Sales before growth = x
  • Percentage growth = 30%
  • New sales = $200 million

200 = x + (30% × x)

200 = x + (0.3 × x)

200 = x + 0.3x

200 = 1.3x

x = 200/1.3

x = 153.846153846153

Approximately,

x = $153.85 million

Learn more about percentage:

brainly.com/question/843074

#SPJ1

8 0
1 year ago
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