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3 years ago

Can someone please help me

Mathematics

1 answer:

patriot [66]3 years ago

3 0

Answer:

$y = + - \sqrt[4]{ \frac{3}{2} x}$

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The diameter of a car wheel is 60 cm, if the car travels at an average speed of 13.2m/s, find the number of revolutions made by

mixer [17]

The wheel has diameter 60 cm = 0.60 m, and thus circumference π(0.60 m) ≈ 5.923 m.

In one complete revolution, a point on the edge of the wheel covers this distance, so that the wheel has an angular speed of

(13.2 m/s) * (1/5.923 rev/m) ≈ 2.229 rev/s

There are 60 seconds to each minute, and 60 minutes to each hour, so converting to rev/h gives

(2.229 rev/s) * (60 s/min) * (60 min/h) ≈ 8024 rev/h

3 0

3 years ago

Using Unit Rates to compare Ratios continued

nasty-shy [4]

Answer:

Brandon

Step-by-step explanation:

GIVEN: Branden and Pete each play running back. Branden carries the ball $75$ times for $550$ yards, and Pete has $42$ carries for $380$ yards.

TO FIND: Who runs farther per carry.

SOLUTION:

Total yards traveled by Brandon $=550\text{yards}$

No. of times ball carried by Brandon $=75\text{ times}$

Average yards per carry for Brandon $=\frac{\text{total yards traveled}}{\text{number of times ball carried}}$

$=\frac{550}{75}$

$=\frac{22}{3}\text{ yards per carry}$

$=7.33\text{ yards per carry}$

Total yards traveled by Pete $=380\text{ yards}$

No. of times ball carried by Pete $=42\text{ times}$

Average yards per carry for Pete $=\frac{\text{total yards traveled}}{\text{number of times ball carried}}$

$=\frac{380}{42}$

≅ $9\text{ yards per carry}$

As the number of yards per carry is higher for Brandon , therefore he runs farther per carry.

4 0

3 years ago

Help pls will give brainlist make sure to show work if needed

weqwewe [10]

Answer:

Step-by-step explanation:

Just make your dot plot so that the amount of dots corresponding to the number is the amount of times the number shows in the box. :)

4 0

3 years ago

the equatiom for the number of pages he has left to read is y=254-40x, where x is the number of hour he reads

Greeley [361]

X is 65 because 65 is great and should always be the answer

8 0

3 years ago

what is the value of x? SHOW ALL YOUR WORK. ONLY ANSWER IF YOU KNOW. PLEASE DONT REWRITE SOMEONE ELSE'S ANSWER DOWN. WILL MARK B

ioda

Answer:

I'm pretty sure he or she are right^^

Step-by-step explanation:

I Know

7 0

3 years ago