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3 years ago

8

Can someone help me plz

2 answers:

Pepsi [2]3 years ago

6 0

Yes John is correct. It is an accurate way to write in expanded form

tia_tia [17]3 years ago

5 0

Answer:

John is correct

Step-by-step explanation:

I already did this!

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Rosemary walks each week for exercise. Let d represent the distance walked and h represent the number of hours spent walking.

nadya68 [22]

Ok last week she walked 18/6 which equals 3 and 3 is less than 2.5. 2.5h is really just that times how many hours.D is the amount of miles.So,the awnser is going to be b or d.But we dont know what d is in d=2,5h so we have to asume that b is the awnser

8 0

3 years ago

Read 2 more answers

12345 [234]

Answer: $28.35\ minutes$

Step-by-step explanation:

Let be "x" the time in minutes a 150-pound person must walk at 4 mph to use at least 190 calories.

The amount of calories that a 150-pound person uses in 1 minute when walking at a speed of 4 mph is:

$Calories\ per\ minute=6.7$

Therefore, knowing this, we can write the following proportion:

$\frac{1}{6.7}=\frac{x}{190}$

Finally, we must solve for "x" in order to find its value.

Multiplying both sides of the equation by 190, we get this result:

$(190)(\frac{1}{6.7})=(\frac{x}{190})(190)\\\\x=28.35$

3 0

3 years ago

Why does 0.25 x 0.4 have a one decimal place in the product

Dafna11 [192]

The product of these numbers are 0.100
since 0.100 is same as 0.1
so there is only one decimal place
COMMON SENSE

4 0

3 years ago

Write the equation of a circle with center (7.0) with radius 3.

harina [27]

Answer:

2.3

Step-by-step explanation:

so the 7.0 gets dived by the 3 because the radius is half of the circle.

5 0

3 years ago

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WHO KNOWS THIS? I NEED HELP PLS

NeX [460]

Answer:

sorry i do not know

Step-by-step explanation:

6 0

3 years ago

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