Answer:
24 cent
Step-by-step explanation:
If 13 inches of wire cost 39 cent.
We have to calculate how much 1 inch of wire would cost first, before determining the cost of 8 inches of wire.
If 13 inches of wire costs 39cents, Then 1 inch of wire would cost 3 cent.
That is 39/13, which gives 3.
If 1 inch of wire cost 3 cents. Two inches of wire would cost 6 cents we 3 inches of wire costs 9 cents.
To get the cost of 8 inches of wire, we therefore multiply 8 by 3, which gives 24.
8 inches of wire costs 24 cents.
Answer:
The answer is 8, so 8^1
Step-by-step explanation:
You add and subtract exponents when multiplying and dividing.
Answer:
It is the first graph to the left
Step-by-step explanation:
because basically it is saying that it is -1/-2 rise over run
59 is D
because with the point (-3,7) you substitute it into the equation, making it: 7=4x+b. solve for b. then you have y=4x+19. work out the algebra in the possible choices and whatever equals y=4x+19 will be the answer. in this case, its D.
60 is C
same as above, you do the algebra of the equation. bring the one over after doing distribution with the 4 and voila!
61 is A
a relatively easy one, all you do is the the slope -4 where m goes, and 3 where b goes. y= -4x+3
62 is C.
this one requires more work.
chose one of the points, in this case (2,7) and put them into the equation.
but wait, you need a slope!
you get that use the formula (y2-y1)/(x2-x1) which will be
(7-5)/(2-3) which will be
-2.
now you have y-7= -2(x-2)
voila!
63 is C. y= 1/2x+3
64 is B. (3, -5)
66 is B. negative. the line goes \ ( not / which is positive)
67 would be A. because it is positive and the I and the E are in the right places.
70 is C. 2/3. as before, remember we can but the points into this equation and have (6-4)/(3-0) which = 2/3
71 is D. y= 3x+10
72 is C. a third degree monomial
73 can't read
74 can't read
75 can't read.
Answer:
The sum of three times a number and six, divided by the difference of seven times the number and nine
Step-by-step explanation:
we have
![\frac{3p+6}{7p-9}](https://tex.z-dn.net/?f=%5Cfrac%7B3p%2B6%7D%7B7p-9%7D)
Let
p -----> the number
we know that
The numerator is (3p+6)
The phrase that represent this algebraic expression is "The sum of three times a number plus six"
The denominator is (7p-9)
The phrase that represent this algebraic expression is "The difference of seven times the number and nine"
therefore
The phrase that represent this problem is "The sum of three times a number and six, divided by the difference of seven times the number and nine"