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Aloiza [94]
3 years ago
14

If Yvonne wanted to make 3 dresses that use 4 7/8 yd of fabric each, explain how she could use estimation to make sure she has e

nough fabric for all of them
Mathematics
2 answers:
VladimirAG [237]3 years ago
5 0
I agree. would take the 3 dresses and multiply 5 yards a piece. So she needs a total of 15 yards estimating.
Yuliya22 [10]3 years ago
4 0
Round 4 7/8 to 5 then do 5 times three rhat eguals 15
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ahrayia [7]

What is the number down their?

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3 years ago
When the area in square units of an expanding circle is increasing twice as fast as its radius in linear units
alexira [117]

Answer:

r=1/π

Step-by-step explanation:

Area of the circle is defined as:

Area = πr²

Derivating both sides

\frac{dA}{dr}=2πr

\frac{dA}{dt}  =  \frac{dA}{dr} x \frac{dr}{dt}  =  2πr\frac{dr}{dt}

If area of an expanding circle is increasing twice as fast as its radius in linear units. then we have : \frac{dA}{dt}  =2\frac{dr}{dt}

Therefore,

2πr \frac{dr}{dt}  =  2  \frac{dr}{dt}

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3 years ago
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vovangra [49]
For q5: x=-5/4, y=-15/8
q6: x=-23/5, y=4/5
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4 0
3 years ago
A taxicab service charges a flat fee of $7 plus an additional $1.25 per mile driven. Show the relationship between the total cos
Zarrin [17]

Answer with Step-by-step explanation:

We are given that

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1.We have to show that relationship between total cost and the number of miles driven.

2.We have to find independent variable and dependent variable

3.We have to write an equation to model the relationship and make a  table to show the cost of 4 to 10 miles.

1.Let x be the number of miles driven by taxicab and total cost y of taxicab.

According to question

y=1.25x+7

This is a relation between number of miles drive and total cost.

2. Independent variable : It is that variable which does not depend on value of another variable .

Dependent variable : it is that variable which depend on value of  another variable.

We can see that y depend on x and value of x does not depend on  any value.

Therefore, y is dependent variable and x is independent variable.

Substitute x=4 then we get

y=1.25(4)+7=$12

Substitute x=5 then  get

y=1.25(5)+7=$13.25

y=1.25(6)+7=\$14.5

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y=1.25(8)+7=$17

y=1.25(9)+7=$18.25

y=1.25(10)+7=$19.5

5 0
3 years ago
− <br> 7<br> 4<br> ​ <br> p+(− <br> 7<br> 2<br> ​ <br> p)+ <br> 7<br> 1<br> ​
Alik [6]

Answer:

7

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3 years ago
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