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Natalija [7]
3 years ago
13

Use properties of addition and subtraction to evaluate the expression. −28−47−12

Mathematics
1 answer:
MAXImum [283]3 years ago
3 0
So you want the answer right ? if yes then the answer is -87
You might be interested in
Plz help me its do today
atroni [7]
Y int: 5
equation: -2/3x +5
slope: -2/3
3 0
3 years ago
A line passes through (2,-7) and (-3,3) find the slope intercept form of the equation of the line
dedylja [7]

first we can find the slope between the two points by using the slope formula

m=(y₂-y₁)/(x₂-x₁)

m=(3-(-7))/(-3-2)

m=(3+7)/(-3-2)

m=10/-5

m= -2

now that we have the slope, we can set up our equation. slope-intercept form is:

y=mx+b

where m is the slope and b is the y-intercept.

since we have the slope, we can choose one of the points that we are given to plug in for x and y, and then solve for b

-7 = 2(-2) + b

-7 = -4 + b

-3 = b

now that we have all the values we need, we can put it into our slope-intercept formula.

y=mx+b

y=-2x+(-3)

y = -2x -3

hope this helps

5 0
4 years ago
6% of $35 is $_____?
Molodets [167]

answer: 2.1%

p/w=%/100

?/35=6/100

35×6=210

210÷100

2.1

Hope this helps! Plz mark as brainliest! :)

8 0
3 years ago
Help asap plz? Thank you
kramer

Answer:

y = f(x) = ( x + 4 )( x - 1 )( x - 3 )

Step-by-step explanation:

Let the equation of the curve drawn on the graph is y = f(x)

We have to find an expression for f(x).

If we take y = 0, then there will be three values of x which are -4, 1 and 3.

Since, there is three solutions of f(x) = 0, hence, f(x) will be a three degree polynomial. and ( x + 4 ), ( x - 1 ) and ( x - 3 ) will be the three factor of the equation.

Therefore, y = f(x) = ( x + 4 )( x - 1 )( x - 3 ) is the required equation of the graph. (Answer)

8 0
3 years ago
What is the mean of the values in the dot plot?
sladkih [1.3K]

Answer:

four dots over 19

Step-by-step explanation:

their we go

5 0
3 years ago
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