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Nady [450]
3 years ago
6

On a trip to the art museum lily rode the subway for 7/10 mile and walked for 3/10 mile how much farther did she ride on the sub

way than walk?
Mathematics
2 answers:
Phantasy [73]3 years ago
8 0
4/10 simplest form 2/5 mile
zmey [24]3 years ago
7 0
4/10 Miles because 7/10 - 3/10 = 4/10
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last year a school raised $19,950 by selling $15 tickets to a carnival fundraiser. this year the school will raise $20 per ticke
AURORKA [14]

Answer:

$26,600

Step-by-step explanation:

$19,950 / $15 = 1330 tickets

1330 x $20 = 26,600

7 0
2 years ago
Pls help I need this asap​
Valentin [98]

Answer:

75%

Step-by-step explanation:

4 0
3 years ago
Please do them step by step;
ELEN [110]
For the first one c-9=(2)(4)+6
You are gonna multiply 2 and 4 first, 2*4=8. Now you have c-9=8+6. 8+6=14. So now the equation is c-9=14. Now we are going to add 9 to both sides. So c=23
For the second equation 10+y=90. We are going to subtract 10 from both sides. So, y=80.
Third, add 4 to both sides. a=10.
Fourth, subtract 8 from both sides. d=-9
Fifth, 5+2(3+4)=-x.
First we are going to add 3 and 4. 3+4=7. 5+2(7)=-x. Next we are going to multiply 2 and 7. 2*7=14. 5+14=-x. 5+14=19. So our equation is 19=-x. Next we are going to multiply both sides by -1. Making our final equation x=-19.
c=23
y=80
a=10
d=-9
x=-19
I hope that helps, if you need any further explanation just ask.<span />
3 0
3 years ago
Jamie took 20 pieces of colored paper and put them in a hat. Eight pieces were red, four pieces were blue, and the rest were gre
Igoryamba
To find this just put 8 over 20 because that is how many red pieces there are divide the equation and you will get 0.4 so I would say the answer is A.
7 0
2 years ago
Use a graphing calculator to graph f(x) = x+cos(kx). Use calculus to determine which values of k lead to a function with no loca
nataly862011 [7]

Answer:

Below, you can see the graph of the function:

f(x) = x + cos(k*x)

for different values of k, as follows:

red: k = 1

green: k = 2

orange: k = 0.

Now let's find the values of k such that our function does not have local maxima nor local minima.

First, remember that for a given function f(x), the local maxima or minima points are related to the zeros of the first derivate of f(x).

This means that if:

f'(x0) = 0.

Then x0 is a maxima, minima or an inflection point.

Then if a function is such that the f'(x) ≠ 0 , ∀x, then this function will not have local maxima nor minima.

Now we have:

f(x) = x + cos(k*x)

then:

f'(x) = 1  - k*sin(k*x)

This function will be zero when:

1 = k*sin(k*x)

1/k = sin(k*x)

now, remember that -1 ≤ sin(θ) ≤ 1

then if 1/k is smaller than -1, or larger than 1, we will not have zeros.

And this will happen if -1 < k < 1.

7 0
2 years ago
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