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Kay [80]
3 years ago
13

An 8-pack of candy bars costs $7.28. What is the unit price? plz help

Mathematics
1 answer:
Darya [45]3 years ago
5 0
7.16 dpollars for one candy bar
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Evaluate each function.<br> 1) f(x) = x2 + 4x; Find f(-7)
katrin [286]

Answer:

The answer is -77

Step-by-step explanation:

Ok, so assuming by x2 you mean x squared, I will solve this. So basically when you have a function, f(-7) would mean that you would have to replace all the x's in the equation with -7. So let's write that out. that would be f(-7) = -7^2 + (-7*4). So now according to PEMDAS, you would solve the exponent first, and -7^2 is equal to -49, because when you solve it you would do -(7^2), which is -(49), which is then -49. So now you have f(-7)= -49+ (4*-7). Solving for (4*-7), you get -28. This leaves you with -49 + (-28), which is -49 - 28. Simplifying that, you get the answer, which is -77.

5 0
3 years ago
Help help this is 10 points
Delicious77 [7]

Answer:

The anwser you are looking for is number 2

Step-by-step explanation:

7 0
2 years ago
Write the points (-3,5) and (1,1) in slope-intercept form
Jobisdone [24]
Y=mx+b
m=slope
b=yint

find slope
slope between (x1,y1) and (x2,y2) is (y1-y2)/(x1-x2)

given
(-3,5) and (1,1)
slope=(5-1)/(-3-1)=4/-4=-1

y=-1x+b
find b
when x=1, then y=1
1=-1(1)+b
1=-1+b
add 1
2=b


y=-x+2
3 0
3 years ago
Please can someone help me.
Vladimir79 [104]

Answer:

4

Step-by-step explanation:

7 0
2 years ago
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