2 years ago

I need help on all of #1

Mathematics

2 answers:

Dimas [21]2 years ago

8 0

For C at 7pm they sold most and at 6 am they sold less

defon2 years ago

6 0

It is 7 1 1/3 hope this helps

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Simplify 45 - 8 + 12 - (-25)

Mrac [35]

Answer:

Step-by-step explanation:

BODMAS

12-(-25)

=12+25=37

45-8+37

45-8=37

37+37=74

=74

4 0

3 years ago

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If a car has tires with a diameter of 28 inches and is traveling at 55 mph, how fast are its tires spinning, in rpm^ prime s (re

Aleksandr-060686 [28]

Answer:

The tires are spinning at 660.49 revolutions per minute.

Step-by-step explanation:

The speed of the tires (v) is the same that the speed of the car, so to find the angular velocity of the tires we need to use the equation:

$\omega = \frac{v}{r}$

Where:

r: is the radius of the tires = d/2 = 28 inches/2 = 14 inches

$\omega = \frac{55 mph}{14 inches*\frac{1 mile}{63360 inches}} = 2.49 \cdot 10^{5} \frac{rad}{h}*\frac{1 h}{60 min}*\frac{1 rev}{2\pi rad} = 660.49 rpm$

Therefore, the tires are spinning at 660.49 revolutions per minute.

I hope it helps you!

5 0

3 years ago

The manager of a grocery store reports that there is a 12 percent chance that a customer buys apples during a shopping trip, a 5

FromTheMoon [43]

P(A) = 0.12
$P(A\cap C)=0.05$
$P(A\cup C)=0.17=P(A)+P(C)-P(A\cap C)$
$0.17=0.12+P(C)-0.05$
$P(C)=0.17-0.12+0.05=0.10$

5 0

3 years ago

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Brian's gas tank is 1/6 full. After he buys 7 gallons of gas, it is 1/2 full. How many gallons can Brian's tank hold ?

qwelly [4]

21 is the right one

7 0

2 years ago

Test again help please

netineya [11]

Answer:

4v+3 + 5v +6=180

ans is v=19

hope so its the ans

Step-by-step explanation:

mark as brainliest plzzz

4 0

2 years ago

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