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3 years ago

25*89 / 1/4 I WILL AWORD BRILLENEST!!!!!!

Mathematics

2 answers:

Likurg_2 [28]3 years ago

4 0

It’s 8900

—————————————

Aleks [24]3 years ago

3 0

Answer:

8900

Step-by-step explanation:

25 * 89 / $\frac{1}{4}$ = 25 * 89 * 4 = 100 * 89 = 8900

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3 years ago

A flying carpet flies 2.4 miles with the wind in the same amount of time it flies 1.4 miles against the wind. The wind speed is

Ainat [17]

Answer:

$15.2~mph$

Step-by-step explanation:

Let the time flown by the flying carpet be $t$ . Then, we have that $(2.4)/t=(1.4)/t+2*4$ .

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We subtract $1.4$ from both sides to get $1=8t$ .

We divide both sides of the equation by $t=1/8$ .

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4 0

3 years ago

Factor 15z^2+17z-18 please show work

siniylev [52]

There is no common factor between 15, 17 and 18 because 17 is prime.

15z² +17z - 18 =

d = 17² - 4.15.-18

d = 289 + 1080

d = 1369

z = (-17 +/- \/1369) : 2 * 15

z = (-17 + 37) : 30

z' = 20 : 30 = 2/3

z" = (-17 - 37) : 30

z" = -54 : 30 = -1.8

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7 0

3 years ago