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3 years ago

Solve the equation. 15x^2-29x-a^2=0

Mathematics

1 answer:

Lelechka [254]3 years ago

6 0

Answer:

IDK and Im sorry if I wasted ur time

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A 20 ounce box of cereal costs $3.20. A 12 ounce box of cereal costs $1.80. Which box of cereal is the better buy?

lisov135 [29]

Use Socratic it always works usually but it’s faster

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3 years ago

An auditorium has 50 rows of seats. The first row has 20 seats, the second row has 21 seats, the third row has 22 seats, and so

Vikentia [17]

Answer:

1050

Step-by-step explanation:

I'm pretty positive it would be 1050 by multiplying 50 and 20 and adding 50

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3 years ago

storchak [24]

Question:

Lisa walks at an average speed of 6 km/h for 15 hours.

Dan completes the same distance in an hour. Calculate Dan's average speed.

Answer:

$Speed = 90km/hr$

Step-by-step explanation:

Given

Lisa:

$Speed = 6km/hr$

$Time = 15\ hr$

First, we calculate the distance covered by Lisa:

$Distance = Speed * Time$

$Distance = 6km/hr * 15\ hr$

$Distance = 90km$

So, Dan distance can be represented as:

$Distance = 90km$ --- Dan completes the same distance as Lisa

$Time = 1\ hr$ -- Time to complete the distance

Dan's average speed is:

$Speed = \frac{Distance}{Time}$

$Speed = \frac{90km}{1\ hr}$

$Speed = 90km/hr$

<em>Hence, Dan's average speed is 90km/hr</em>

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3 years ago

Find the mean of A and find the median on letter B

mash [69]

A: the mean salary is $500.
400+500+600=1500/3=500
b: the median is $500 also.

3 0

3 years ago

Read 2 more answers

HELP PLEASE, I don't understand this at all!

Umnica [9.8K]

f(x) = 8x-9

f(4)

let x=4 and substitute in

f(4) = 8*4 -9

f(4) = 32-9

f(4) = 23

5 0

4 years ago

Read 2 more answers

Solve the equation. 15x^2-29x-a^2=0​

Solve the equation. 15x^2-29x-a^2=0