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3 years ago

PLEASE HELP with this question. it is in the picture file below!!!!

Mathematics

1 answer:

ryzh [129]3 years ago

3 0

The line g(x) is 3 units above the line f(x). k = 3.

_____

The y-intercept of g(x) is 5; the y-intercept of f(x) is 2. 5-2 = 3, the distance between the lines where they cross the y-axis.

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How to use order of operation in 20 divide by 4 multiply 5 = 1

I am Lyosha [343]

Use PEMDAS. 20/(4*5)=1
Multiplication before dividion

6 0

3 years ago

Please help me thank you I’ll mark Brainly

Phoenix [80]

Answer:

276

Step-by-step explanation:

60 feet plus 3 is 63, 63 times 2 is 126, 126 +150 is 276

6 0

3 years ago

Simplify 2s + 4 + (-6s) +10

erma4kov [3.2K]

Answer:-4s+14

Step-by-step explanation: combined like terms.

2s-6s= -4s, 4+10=14

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3 years ago

Read 2 more answers

An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is 5 ft long with a diameter of 1.8 ft .

dangina [55]

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h\qquad 
\begin{cases}
r=radius=\frac{diameter}{2}\\
h=height\\
----------\\
diameter=1.8\\
r=\frac{1.8}{2}=0.9\\
h=5
\end{cases}\implies V=\pi \cdot 0.9^2\cdot 5\\\\
-------------------------------\\\\
\textit{is draining at }\boxed{2.1}\ \frac{ft^3}{min}\textit{ , it has a total of }\boxed{\pi \cdot 0.9^2\cdot 5} \ ft^3
\\\\\\
\textit{it'll take }\cfrac{\pi \cdot 0.9^2\cdot 5}{2.1}\ minutes$

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3 years ago

A submarine cruises underwater at 20 km/h and on

Darina [25.2K]

Answer:

System of equations:

20x + 30y = 650

x + y = 25

Time underwater = 10 hours

Time at the surface = 15 hours

Step-by-step explanation:

Let x = time underwater at 20 km/h.

Let y = time on the surface at 30 km/h.

speed = distance/time

distance = speed * time

distance underwater: 20x

distance on the surface: 30y

total distance: 650

20x + 30y = 650

total time: x + y

total time: 25

x + y = 25

20x + 30y = 650

x + y = 25

20x + 30y = 650

-20x - 20y = -500

--------------------------------

10y = 150

y = 15

x + y = 25

x + 15 = 25

x = 10

4 0

3 years ago