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3 years ago

Help step by step I don’t understand(:

Mathematics

2 answers:

tia_tia [17]3 years ago

5 0

It is a because each day you run 5 miles, meaning 100 miles is decreasing since you keep running the miles away, for example if you ran for 4 days 100-20, because we multiplied 4x 5( the amount of miles) and now we would have 80 miles to go

topjm [15]3 years ago

5 0

It would have to be the first option.

The second option is not correct because you are not adding more than what her goal is.

The third option is not correct because you are not dividing from her goal.

The fourth option is not correct because it would ultimately result in a negative number.

The first option is correct because it subtracts how many days she has ran times 5 from her goal. The resulting answer would show how many miles she has left to reach her goal of 100 miles during that month.

Hope this helps!

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A. 3.4

seropon [69]

A is your answer 3.4

Use Pythagorean Theroum

10.2 squared = 9.6 squared + x squared
104= 92.6+x squared
x squared = 11.4
x= 3.37
round x to 3.4

Hope that helps!

4 0

3 years ago

The volume of a sphere can be described by the following formula, where V = volume and r = radius of the sphere.

vaieri [72.5K]

Answer: the answer is c

Step-by-step explanation:

8 0

3 years ago

Alice and Dakota are packing gift boxes. Alice has already packed 21 additional boxes and is packing 8 additional boxes per hour

aev [14]

Dakota would have 52 boxes after 4 hours and Alice would have 52 boxes with a total of 104 boxes

5 0

2 years ago

A student translated the phrase below into an algebraic expression, and then evaluated it for g = one-fourth. Is the student's w

iragen [17]

Answer:

The correct evaluation is 1 1/3 (one and one-third) and not 16 and one-third

Step-by-step explanation:

The student was wrong in his evaluation because the correct result should be 1 1/3 (one and one-third) and not 16 and one-third

The expression '1/3 more than the product of four and a number' means

(4g + 1/3)

Evaluating the expression when g = 1/4

You will have

4×1/4 + 1/3

= 1/1 + 1/3

Find the LCM of 1 and 3 and add

= (3+1)/3

=4/3

= 1 1/3

The correct evaluation is 1 1/3 (one and one-third) and not 16 and one-third

6 0

3 years ago

Read 2 more answers

Find the slope of the tangent line to the curve f(x)=e^(x) at (0.4,1.49)

almond37 [142]

Answer:

1.49

Step-by-step explanation:

In order to find the slope of the tangent line to a given equation, and in a given point, we need to:

1. Find the first derivative of the given function.

2. Evaluate the first derivative function in the given point.

1. Let's find the first derivative of the given function:

The original function is $f(x)=e^{x}$

But remeber that the derivative of $e^{x}$ is $e^{x}$

so, $f'(x)=e^{x}$

2. Let's evaluate the first derivative function in the given point

The given point is (0.4,1.49) so:

$f'(x)=e^{x}$

$f'(0.4)=e^{0.4}$

$f'(x)=1.49$

Notice that the calculated slope of the tangent line is equal to the y-coordinate of the given point because f'(x)=f(x). In conclusion, the slope of the tangent line is equal to 1.49.

8 0

3 years ago