All categories

3 years ago

The sum of three consecutive numbers is equal to 123. What are the numbers?

Mathematics

1 answer:

Zina [86]3 years ago

4 0

Answer:

40, 41, 42

Step-by-step explanation:

x +x+1+x+2=123

3x+3=123

3x=123-3

3x=120

x=120:3

x=40(the first number

40+1=41 (the second number

40+2=42 (the third number

You might be interested in

EMERGENCY PLEASE HELP!!

Alexxx [7]

Answer:

-50x + 600 = 250

Step-by-step explanation:

10x + 60(10-x) = 250

10x + 600 - 60x = 250

-50x + 600 = 250

4 0

3 years ago

A new park was designed to contain two circular gardens. Garden A has a diameter of 50 meters and Garden B has a diameter of 70

rjkz [21]

Answer:

about 78.539 meters. smallest diameter = 50. plug that into the equation C = πd

Step-by-step explanation:

8 0

3 years ago

Trapezoid PQRS is rotated 180 degrees about the origin to form trapezoid P'Q'R'S

kirill115 [55]

Answer:

The angle measures of trapezoid PQRS are equal to the corresponding angle measures of trapezoid P'Q'R'S'.

Step-by-step explanation:

3 0

3 years ago

Write the following as an algebraic expression. Simplify if possible.<br> Subtract 3y-5 from y-7

yuradex [85]

3y-5-(y-7)=

(3y-y)+(7-5)=2Y+2

6 0

3 years ago

Suppose that the height above ground of a person sitting on a Ferris wheel is described by the following.

sdas [7]

Answer:

Person will be 24 metres above the ground after 1.50 minutes

Step-by-step explanation:

Given:

$h(t)=18.8-16.7\cos \left ( \frac{2\pi t}{5} \right )$

To find:

time when the person be 24 meters above the ground

Solution:

Put $h(t)=24$

$h(t)=18.8-16.7\cos \left ( \frac{2\pi t}{5} \right )\\24=18.8-16.7\cos \left ( \frac{2\pi t}{5} \right )\\16.7\cos \left ( \frac{2\pi t}{5} \right )=18.8-24\\16.7\cos \left ( \frac{2\pi t}{5} \right )=-5.2\\\cos \left ( \frac{2\pi t}{5} \right )=\frac{-5.2}{16.7}\\\cos \left ( \frac{2\pi t}{5} \right )=-0.3114\\\frac{2\pi t}{5}=1.887\\\frac{2}{5}\times \frac{22}{7}t=1.887\\t=1.887\times \frac{5}{2}\times \frac{7}{22}\\=1.501\\\approx 1.50 \,\,minute$

So, the person will be 24 metres above the ground after 1.50 minutes

8 0

3 years ago