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Ann [662]
3 years ago
10

Which expression means 7 more than a number?

Mathematics
1 answer:
Kisachek [45]3 years ago
4 0
The answer is B 

- <span>"More" means added to, or addition. So 7 more than 'A number' is: </span><span>d + 7</span>
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What’s all input for f(x)=3
defon

Answer:

all inputs are equal to <u>3</u>

Step-by-step explanation:

f(x) = 3 \\  =  3 \times 1\\  = 3  \times  {x}^{0}  \\ anything \: raised \: to \: 0 \: is \: 1 \\

\\  substituting \: any \: value \\  \: of \: x \: in \: f(x) \\ f(3) = 3 \times  {3}^{0}  \\  = 3 \times 1 \\ =  3 \\

\\ similarly \: all \: values \: of \: x \: will \\ give \: 3

8 0
3 years ago
Find equations of the line that is parallel to the z-axis and passes through the midpoint between the two points (0, −4, 9) and
Lorico [155]

Answer: x = -4, y = 0.5, z = 5 +t

Hi!

The line L whose direction is parallel to vector V a passes through point A

is parametrized

P_L = Vt + A

Where t, is a real number, and P_L is a any point on line L.

In this case the direction is that of the z-axis , so V = (0, 0, 1)

A is the midpoint between points B = (0, -4, 9) and C=(-8, 5, 1)

The midpoint is A = (B + C)/2 = (-4, 0.5, 5)

Then the line is:

P_L = (0,0,1) t + (-4, 0.5, 5)

The equations for each coordinate are:

x = -4\\y = 0.5\\z = 5 + t

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3 years ago
if p= the mountain bikes original price in dollars, which algebraic expression represents the reduce price?
zhannawk [14.2K]
P - 125 would represent the reduced price
5 0
3 years ago
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Pls <br> Help god bless you
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Jus go a thru z and you’ll be fine
8 0
3 years ago
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8 0
3 years ago
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