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Marina86 [1]
3 years ago
11

Number 2 and please explain

Mathematics
1 answer:
exis [7]3 years ago
4 0
Part of it is cut out
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Express 15 kobo as a decimal of #3.00
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Answer:

15 kobocoin =30.143471

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2 years ago
What is the solution set of the following equation? -8x + x + 15 = -7 x + 12 ​
UNO [17]

Answer:

I dont k ow what the following set for your equation is...

3 0
2 years ago
Donna the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or the
kykrilka [37]
X=hours of plan A
y=hours of plan B

wed: 5x+6y=12
thu: 3x+2y=6

so
5x+6y=12 and
3x+2y=6
we can eliminate y's by multiplying 2nd equation by -3 and adding to first equation

-9x-6y=-18
<u>5x+6y=12 +</u>
-4x+0y=-6

-4x=-6
divid both sides by -4
x=-6/-4
x=3/2
x=1.5

sub back

3x+2y=6
3(1.5)+2y=6
4.5+2y=6
2y=1.5
y=0.75



Plan A=1.5 hours
Plan B=0.75 hours
3 0
3 years ago
I have 11 points ;-;
bogdanovich [222]

Answer:

OOOPS-

Step-by-step explanation:

i feel kinda bad stealing your points l-mao

8 0
3 years ago
A truck driver travels at 59 miles per hour. The truck tires have a diameter of 30 inches. What is the angular velocity of the w
Misha Larkins [42]

Answer:

661.4\ rpm

Step-by-step explanation:

we know that

1 mile=63,360 inches

step 1

Find the circumference of the wheels

C=2\pi r

we have

r=30/2=15\ in -----> the radius is half the diameter

substitute

C=2\pi(15)

C=30\pi\ in

assume

\pi =3.14

C=30(3.14)=94.2\ in

Remember that    

The circumference of the wheels represent one revolution

Convert 59 miles per hour to inches per minute

59\ mi/h=59*63,360/60=62,304\ in/min

using proportion find the number of revolutions  

\frac{1}{94.2}\frac{rev}{in}=\frac{x}{62,304}\frac{rev}{in}\\ \\x=62,304/94.2\\ \\x=661.4\ rev

therefore

substitute

62,304\ in/min=661.4\ rev/min=661.4\ rpm

5 0
3 years ago
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