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erica [24]
3 years ago
10

Graph g(x)=2cos x. Use 3.14 for pi

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
3 0

Sry im not 100% sure, but i think it's suppose to look like this on a graph.

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Help please i don’t know how to do it
nekit [7.7K]

Answer:

x + 3y = 15

Step-by-step explanation:

Line is passing through the points (3, \:4) = (x_1,\:y_1)\:and\: (9, 2)=(x_2,\:y_2)

Slope of line (m)= (2 - 4)/(9 - 3) = -2/6 = -1/3

Equation of line in point-slope form is given as:

y-y_1 =m(x-x_1)

Plugging the values of x_1,\: y_1\: and \: m in the above equation we find:

y-4 =-\frac{1}{3}(x-3)

\implies 3y-12 =-x+3

\implies x+ 3y =12+3

\implies \huge {\orange{\boxed{x+ 3y = 15}}}

This is the required equation of line in the form \red{\bold{ax + by = c}}

5 0
2 years ago
The length of a rectangle is 5 units more than twice its width. Find an expression for the perimeter of the rectangle.
kolezko [41]
The width would be 10
length would be 15
8 0
2 years ago
a herd of 86 horses has 75 white and some black horses.what is the ratio of black horses to white horses?
Naddik [55]

Answer:11 black horses : 75 white horses

Step-by-step explanation:

we know thw white horses and how many there are but we dont know how many black ones so u take the number of white horses and subtart it from the total and get the number of black horses

8 0
3 years ago
Read 2 more answers
Noah earns $16 per hour babysitting. At his last babysitting job, he received a tip of
nalin [4]

Answer:

He must work for 115 hours to save at least $1900.

Step-by-step explanation:

The equation that you'll use is 65+16x=1900, with x being hours. I found the answer by using 65+16(115)=1905, which is the closest number you'll get before starting to use half hours and such.

4 0
2 years ago
The number of orange fish is 1 1/4 times the number of blue fish. How many blue fish for every five orange fish
neonofarm [45]
I got 4 blue fish for every five fish.

6 0
3 years ago
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