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3 years ago

If you want to convert yards to feet what operation would you use

Mathematics

2 answers:

ahrayia [7]3 years ago

6 0

ft =yd * 3.0000 is the operation you would use

anyanavicka [17]3 years ago

4 0

I would use ratio/proportion 3ft/1 yd as x feet / y yards and cross multiply

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Nicole has $20 to spend on dinner for herself. She wants to tip 20% on the amount of her meal. Which of the following are amount

Sophie [7]

Answer:

Total amount spent for meal = $16.65

Step-by-step explanation:

Given:

Amount spent on dinner = $20

Tip = 20%

Find:

Total amount spent for meal

Computation:

Total amount spent for meal = Amount spent on dinner / (1+tip)

Total amount spent for meal = 20 / 1.2

Total amount spent for meal = 16.666

Total amount spent for meal = $16.65

8 0

3 years ago

Bill is shopping for folders, notebooks, and pencils for the first day of school. A notebook costs 4 times as much as a folder.

spin [16.1K]

Answer:

$14

Step-by-step explanation:

Assuming the cost of folder to be $x$ , then the cost of notebook will be $4 x$ and the cost of set of pencils will be $2 x$ .

Cost of the folder = $2

Cost of notebook = 4 × 2 = $8

Cost of pencil = 2 × 2 = $4

Total cost of 1 folder, 1 notebook and 1 set of pencils = $2 + $8 + $4 = $14

4 0

3 years ago

If a circle has a diameter of 44ft, what is the radius and circumference? Round to the nearest hundredth.

lara31 [8.8K]

Answer:

Radius: 22 Circumference: 138.23

Step-by-step explanation:

The radius is half of the diameter so 44/2 is 22.

The circumference can be found by 2*pi*r or pi*d.

$2\pi22$ or $\pi 44$

5 0

3 years ago

a particular truck in a transportation fleet was driven 194,070 miles last year versus 329,919 miles this year . by what percent

Ann [662]

We take as the 100% the 194070 miles from last year. Then, we apply a rule of three:

$\begin{gathered} 194070\rightarrow100\text{ \%} \\ 329919\rightarrow x\text{ \%} \\ \Rightarrow x=\frac{329919\cdot100}{194070}=\frac{32991900}{194070}=170 \\ x=170\text{ \%} \end{gathered}$

Since 329,919 is the 170% of last year's miles, then the increase was of 70%

8 0

2 years ago

Given the following vector field and oriented curve C, evaluate ModifyingBelow Integral from nothing to nothing With Upper C Bo

sladkih [1.3K]

Answer:

The value of the line integral is $\frac{157}{2}$ .

Step-by-step explanation:

Given a path C, with parametrization r(t) for $t_0\leq t \leq t_1$ , we have that

$\int_{C}F dr = \int_{t_0}^{t_1} F(r(t)) \cdot r'(t) dt$ where $\cdot$ is the dot product between two vectors.

In our case, we have $r(t) = (6t,11t^2), 0\leq t\leq 1$ . Then $r'(t) = (6,22t)$ . In this case we have that F(x,y) = (x,y). Then, $F(r(t)) = (6t, 11t^2)$

$\int_{C}F dr = \int_{0}^{1} (6t,11t^2)\cdot(6,22t) dt = \int_{0}^{1} 36t+11\cdot 22 t^3= \left.(36\frac{t^2}{2}+11\cdot 22 \frac{t^4}{4})\right|_{0}^{1} = \frac{36}{2}+\frac{11\cdot 22}{4}= \frac{157}{2}$

4 0

4 years ago