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yuradex [85]
3 years ago
15

3x-4+3x-4+7-2x+5x+5+7-2x= ?

Mathematics
2 answers:
konstantin123 [22]3 years ago
4 0
Yeah it is equal to 7x+11
Mila [183]3 years ago
3 0
It is equal to 7x+11
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going against the current a boat takes 6 hours to make a 120 mile trip when the boat travels with the current on the return trip
Irina18 [472]
Speed against current = 120 miles / 6 hours = 20 miles / hour
Speed with current = 120 miles /5 hours = 24 miles / hour.

Speed of boat in still water = (20+24)/2 = 22 miles / hour
6 0
3 years ago
Consider the following graph of two functions,S(1) + 8(2)Step 1 of 2: Finds (1) + 8(2)Enable Zoom/Pan8(x) = x2 - 2x - 1S(x) = -x
kumpel [21]

.Given:

\begin{gathered} f(x)=-x+1 \\ g(x)=x^2-2x-1 \end{gathered}

ToDetermine: The value of

f(1)+g(2)

Solution

\begin{gathered} f(x)=-x+1 \\ f(1)=-1+1 \\ f(1)=0 \end{gathered}\begin{gathered} g(x)=x^2-2x-1 \\ g(2)=(2)^2-2(2)-1 \\ g(2)=4-4-1 \\ g(2)=-1 \\ f(1)+g(2)=0+(-1) \\ f(1)+g(2)=-1 \end{gathered}

Hence, f(1) + g(2) = -1

3 0
1 year ago
Find the slope of the line y=1/6x + 3/2
Natasha_Volkova [10]

The equation is in the form of the linear line: y = mx +b where m is the slope.

Thus the slope is 1/6

Hope that helps!

6 0
2 years ago
I need to know how to multiply 2/9×5/7
lord [1]

Answer: 10/63

Step-by-step explanation: To multiply fractions, you just time's the top numbers and then the bottom numbers by themselves.

For instance: 2 x 5 = 10

                       9 x 7 = 63

and there is your answer.

:)

4 0
3 years ago
5) Find the value of the term in the arithmetic sequence. (an = a1 + (n - 1)d) 11,
kvasek [131]

Answer:

139, I am sorry if I'm wrong

Step-by-step explanation:

a1=11; d=19-11=8

a17=11+(17-1)*8=11+128=139

6 0
3 years ago
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