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Marysya12 [62]
2 years ago
6

Solve: 4(-6) = -9(5) = -1.5(-7) =

Mathematics
1 answer:
trasher [3.6K]2 years ago
3 0

Answer:

5

Step-by-step explanation:

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A car is speeding at 9595 miles per hour. How many meters per minute is the vehicle travelling?
sergejj [24]
This is the concept of rates, we are required to convert on rate to another. The We have been given a car that is speeding at 9595 mph, we are required to convert this to meters per minute;
Here we proceed as follows;
1 mile= 1609.34 miles/hour
1 hour= 60 min 
thus to convert from miles per hour to meters per minute we shall have:
speed=distance/time
our distance will be:
distance=9595*1609.34=15,441,617.3 meters
time=(60*1)=60 minutes
thus;
speed=15,441,617.3/60
speed=257,360.2882 meters per minuts
4 0
3 years ago
What is the reciprocal of 7/2
masya89 [10]
The reciprocal of 7/2 is 2/7
4 0
3 years ago
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If x2 + y2 = 38 and x - y = 2, then what is x? If there are two possible answers, then enter the larger of the two.
Ket [755]
If x-y=2 then x=2+y

And if you insert that in the first equation

(2 + y) {}^{2}  + y {}^{2}  = 38
4 + 4y + y {}^{2}  +  {y}^{2}  = 38
2y {}^{2}  + 4y - 34 = 0
y =  - 1 +  \sqrt{17}
Or
y =  - 1 -  \sqrt{17}


The first one is bigger so the answer is

y =  - 1 -  \sqrt{17}
7 0
3 years ago
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Please help me with this problem
sineoko [7]

Answer:

4

Step-by-step explanation:

\frac{ {3x}^{2} -2x + 7}{2x+5}  \\  \frac{3( - 1) {}^{2}  - 2( - 1) + 7}{2( - 1) + 5 }  \\  \frac{3 + 2 + 7}{ - 2 + 5}  \\  \frac{12}{3}  = 4

7 0
2 years ago
A sphere with a radius of 10 centimeters is inscribed in a right cylinder. What is the volume of the right cylinder in terms of
ruslelena [56]
Well, that means that the sides and top are toutching the sphere

radius of sphere=10 so radius of cylinder=10
the height is the diameter or 20

V=hpir^2
v=20pi10^2
v=20pi100
v=2000pi

answer is D
5 0
3 years ago
Read 2 more answers
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