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worty [1.4K]
3 years ago
15

How long will it take to drive 30 miles going 15 mph?

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
8 0
It will take two hours to drive 30 miles. 

mph= Miles per hour 
 The first hour you're going 15 miles, then another hour later you're at 30 miles.

Two hours.
mrs_skeptik [129]3 years ago
5 0
Distance=speed times time

distance=30mi
speed=15mph
t=t


so
30=15 times t
divide both sides by 15
2=t

2 hours
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Erica is using the storage container below. What is the volume if the storage container?
kodGreya [7K]

Answer:

7

Step-by-step explanation:

1x2=2x3/1/2= 7

5 0
3 years ago
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The ratio of hamburgers to hot dogs is 6 to 5. Three times the number of hot dogs is 6 more than twice the number of hamburgers.
Kitty [74]

Answer:the number of hot dogs is 10

Step-by-step explanation:

Let x represent the number of hamburgers.

Let y represent the number of hot dogs.

The ratio of hamburgers to hot dogs is 6 to 5. This means that the ratio of x to y is 6/5

x/y = 6/5

5x = 6y

x = 6y/5

Three times the number of hot dogs is 6 more than twice the number of hamburgers. This means that

3y = 2x + 6 - - - - - - - - -1

Substituting x = 6y/5 into equation 1, it becomes

3y = 2(6y/5) + 6

3y = 12y/5 + 6

Multiplying both sides of the equation by 5, it becomes

15y = 12y + 30

15y - 12y = 30

3y = 30

y = 30/3 = 10

x = 6y/5 = 6×10/5

x = 60/5 = 12

8 0
4 years ago
Help me do this please
Leona [35]

Answer:

145

Step-by-step explanation:

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6 0
3 years ago
When simplifying the quadratic formula to solve the equation x^2+6x-55=0, the number under the radical sign will be:
gladu [14]

x^2+6x-55=0

6²-4·6·(-55)=36+220=256

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3 0
3 years ago
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( brainlies ) Can somebody help me with this?
Gekata [30.6K]

Answer:
(a)

Area: 930 meters(m)

Perimeter: 122 meters(m)

(b)

Area: 616 centimeters(cm)

Perimeter: 116 centimeters(cm)

(c)

Area: 1008 millimeters(mm)

Perimeter: 128 millimeters(mm)

Explanation:

Area = length x width

Perimeter = length+width+length+width

Area for (a) is then 31 times 30 = 930
Area for (b) is then 44 times 14 = 616
Area for (c) is then 36 times 28 = 1008

Perimeter for (a) is 31+30+31+30=122

Perimeter for (b) is 44+14+44+14=116

Perimeter for (c) is 36+28+36+28=128

4 0
3 years ago
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