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gogolik [260]
4 years ago
15

Hey need help asap :):)/)z zzz

Mathematics
2 answers:
Vadim26 [7]4 years ago
6 0
The correct answer is A
bezimeni [28]4 years ago
3 0
Pretty sure the first step is A. Which is getting rid of the parentheses.
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What is the slope of the line passing through the points (-9,-3) and (7,-7)
Gnoma [55]

Answer:

The slope is \frac{1}{4}

Step-by-step explanation:

\frac{Y_{2} -Y_{1} }{X_{2}-X_{1}  }

-7-(-3)= -7+3= 4

4/?

7-(-9)= 7+9 = 16

4/16=1/4

I hope this helps :-)

3 0
3 years ago
Geometry .........i need ur help lol
Aloiza [94]
First one is A
Second one is also A
the third one is also A!!!!
DA, AB, BC, CD
square, are side equal length and 90 degree angles
rectangle, two pairs of same length and 90 degree angles
parallelogram, two pairs of same length and two pairs of same angles
rhombus, all sides equal, two pairs of same angles.
yes, because they have the same length of all sides, same shape and same angles.
hope that helps! :D
6 0
3 years ago
Read 2 more answers
A road starts at sea level and climbs steadily, reaching an elevation of 2000 feet after 8 miles, as shown in the diagram.
Andrew [12]
If you take 2000 and divide it by 8 then it’s 250. Then you multiple it by 5 and you get 1250. So the answer is C) 1250.
7 0
3 years ago
Solve the following 3 × 3 system. Enter the coordinates of the solution below.
defon

9514 1404 393

Answer:

  (x, y, z) = (-1, 0, -3)

Step-by-step explanation:

We notice that the coefficients of z are such that elimination of the z term from the equations is made easy.

Adding equations 1 and 2:

  (2x -3y -2z) +(x +3y +2z) = (4) +(-7)

  3x = -3

  x = -1

Adding equations 2 and 3:

  (x +3y +2z) +(-4x -4y -2z) = (-7) +(10)

  -3x -y = 3

Substituting for x, we get ...

  (-3)(-1) -y = 3

 0 = y . . . . . . . . . . . add y-3 to both sides

Then z can be found from any equation. Substituting for x and y in the second equation gives ...

  -1 +2z = -7

  2z = -6 . . . . . add 1

  z = -3 . . . . . .divide by 2

The solution is (x, y, z) = (-1, 0, -3).

3 0
3 years ago
Four friends all five each other presents
Viktor [21]

Step-by-step explanation:

Four friends all give each other presents. The total cost of the presents is £80.52. We need to find the mean cost of a present in pounds. So, the mean cost of a present is equal to 20.13 .

5 0
3 years ago
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