3 years ago

Solve for x In the equation.

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

3 0

Answer:

x = 16

Step-by-step explanation:

$\frac{2x - 5}{x + 8} = \frac{22.5}{20}$

Cross multiply

$(2x - 5)*20 = (x + 8)*22.5$

$40x - 100 = 22.5x + 180$

Collect like terms

40x - 22.5x = 100 + 180

17.5x = 280

Divide both sides by 17.5

x = 280/17.5

x = 16

You might be interested in

Amir pitches a baseball at an initial height of 6 feet, with a velocity of 73 feet per second. If the batter misses, about how l

gulaghasi [49]

Answer:4.64

Step-by-step explanation: I took the test on this and it was correct

7 0

3 years ago

Helpppppppppppppppp

Dennis_Churaev [7]

Answer: 33.9

Reasoning: This is due to it just being tan(72) x 11 which would give you 33.8545... but using that you would just round it up to get 33.9

4 0

3 years ago

Given f (x) = 2x² +1evaluate f (-1).

soldi70 [24.7K]

Answer:

Step-by-step explanation:

f(x) = 2x^2 + 1

f(-1) means that wherever you see an x on the right hand side, you substitute -1.

f(-1) = 2(-1)^2 + 1 = 2 + 1 = 3

8 0

3 years ago

Read 2 more answers

Write the equation of the line in slope-intercept form. The line is parallel to y+x=3 and passes through the point (−12, 0).

nataly862011 [7]

y = -x + 3

y = -(x + 12)

y = -x - 12

4 0

3 years ago

Any easy questions out there i can answer

katovenus [111]

Answer:

mee I'm in 8th

Step-by-step explanation:

plzz help will be very thankful

5 0

4 years ago

Read 2 more answers