3 years ago

What is an algenraic expression for each word phrase?

1 answer:

7 0

6. p+12= x
7. i-7= x
8. r/3= x
9. z-1= x
10. y*19= x
x is NOT always the same, it is just a common variable representing the answer

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the ratio of windows to floors in an office is 18:2. there are 126 widows in the buliding. how many floors does the office bulid

Vinvika [58]

Answer:

14 floors

Step-by-step explanation:

The number of floors that the buliding contain,

(floors/windows) × number of the windows

; 2/18 × 126

; 2 × 7

; 14 floors

5 0

3 years ago

The area of a square court is 50 square feet. Estimate the side lengths

lakkis [162]

The answer to this problem is 12.5

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4 years ago

Devon wants to write an equation for a line that passes through 2 of the data points he has collected. The points are (8, 5) and

nevsk [136]

Step-by-step explanation:

Points are (8,5) and (-12,-9)

The equation of a line passing through two points is given by :

$y-y_1=m(x-x_1)\ \text{m is slope}\\\\y-5=\dfrac{y_2-y_1}{x_2-x_1}(x-8)\\\\y-5=\dfrac{-9-5}{-12-8}\times (x-8)\\\\y-5=\dfrac{7}{10}\times (x-8)\\\\10y-50=7x-56$

$-50+56=7x-10y\\\\7x-10y=6$

But he writes the equation 7x – 10y = 3 which is not matching with the one we have calculated. It means that model calculated by Devon is not good.

7 0

4 years ago

1. What is 673 divided by 5 with a remainder.

liberstina [14]

Answer:

first one is 134 remainder 3

the second one is 211 remainder 6

Step-by-step explanation:

7 0

3 years ago

A cheetah ran 300 feet in 2.92 seconds. What was the cheetah’s average speed in miles per hour? Show your work.

Alchen [17]

You would divide the cheetahs distance which is 300 feet by the cheetahs time which is 2.92 seconds
distance÷time
300÷2.92= 102.7 seconds or 103 seconds if you round up
the cheetahs speed is 102.7 seconds or 103 seconds

5 0

3 years ago