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german
3 years ago
12

darcy is finding the product of 11 and 17 using the distributive property. she set up the problem as 11 × (10 7). what would she

do next?
Mathematics
2 answers:
Helen [10]3 years ago
7 0
Multiply 11 times 10 and 11 times 7
zheka24 [161]3 years ago
4 0

Answer:

8idt10, you are correct!

Step-by-step explanation:

You have already been given the answer! Great job! Good luck!

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YOU RRR MEH HEROOOZZ! PUHLEASZEEE ITS 10:30pm!!
avanturin [10]

Answer:

x(35)\approx 11.8

Step-by-step explanation:

<u>Modeling With Functions </u>

We have a table of values of speeds vs distance taken for a car to stop. We are required to find a model that uses the square root and fits the given data to predict other values of d as a function of v.

By the nature of the problem, we can know that for v=0, d must be 0 too. So our model won't include a vertical shift or independent term. Being v the speed of the car and x the distance it takes to stop, we use the following model

x(v)=A\sqrt{v}

We must find A to make the function fit the data. Let's use the first point (v,x); (20,9)

9=A\sqrt{20}

Solving for A

\displaystyle A=\frac{9}{\sqrt{20}}

A\approx 2

Then we have

x(v)=2\sqrt{v}

Evaluating for v=35

x(35)=2\sqrt{35}=11.83

\boxed{x(35)\approx 11.8}

Last option

8 0
3 years ago
Which condition must be satisfied in order to use the arc length formula L = the integral from a to b of sqrt(1 + f'(x)^2) dx?
ivanzaharov [21]
Looking through my old calc notes, I am reading that f(x) needs to be continuous on [a,b] and f ' (x) also needs to be continuous on [a,b]. Both conditions are needed. If you had to pick just one, then I'd say f(x) being continuous is much more important. Though I'm not 100% sure on this one. My thinking is that if there was any discontinuities on f(x), then the arc length would be distorted and overblown. The arc length should not account for any piece that isn't on the curve. 
6 0
3 years ago
Use the elimination method to solve the system of equations
Lady bird [3.3K]

Answer:

D

Step-by-step explanation:

2x + 3y = 18

3x - 3y = 12

the 3y and -3y cancel and you add the other like terms

5x = 30

x = 6

plug x back into any of the equations

2(6) + 3y = 18

12 + 3y = 18

3y = 6

y = 2

answer is (6,2)

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3 years ago
Which of the following angles are supplementary to _1?<br><br> Plsss Help
dolphi86 [110]
Angle 8 because supplementary is two angles whose sum is 180°.
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Jon has $45.00. He plans to spend 4/5 of his money on sports equipment. How much will he spend
stich3 [128]
He will spend 80% of his money
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