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3 years ago

Pleaseeeee help with 7-12 I’m strugglingggg!!!

Mathematics

2 answers:

Troyanec [42]3 years ago

7 0

7) go right 5 then up 3 and make a dot at that point and then go right 10 then go up 8 then make a dot at that point an then connect the dots

8) go left 5 then go up 14 and make a dot and then go left 1 and up 2 then make a dot and connect the dots

9) go left 5 and up 6 then make a dot at that point and then go right 8 and up 6 and make a dot and then connect the dots

10) go left 4 and down 17 then make a dot then go left 4 and down 3 and make a dot and then connect the dots

11) go right 12 and down 7 and make a dot then go right 2 and down 2 and make a dot then connect the dots

12) go left 3 then down 10 and make a dot then go left 1 and down 1 and make a dot then connect the dots.

So basically just graph the points the connect them for each each problem

bearhunter [10]3 years ago

5 0

Answer:

7-12 is 5

Step-by-step explanation:

First you want to turn this into addition and make 12 it's inverse 7+(-12) now with 7+(-12) it is basically 12-7. 12-7=5 so your answer is 5

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Using 50 observations, the following regression output is obtained from estimating y = β0 + β1x + β2d1 + β3d2 + ε. Coefficients

pickupchik [31]

Answer:

The answer is "789.03 and 806.16".

Step-by-step explanation:

$y\^ \ \ = -0.45 + 3.78(x) -11.88(d_1) + 5.25(d_2)$

For point a:

Calculating the value for $y\^ \ \ x = 212,\ \ d_1 = 1, and \ \ d_2 = 0$

$y\^ = -0.45 + 3.78(212) -11.88(1) + 5.25(0)$

$= -0.45 + 801.36 -11.88 + 0\\\\= 789.03$

For point b:

Calculating the value of $y\^ \ \ for \ \ x = 212, \ \ d_1 = 0, and \ \ d_2 = 1$

$y\^ = -0.45 + 3.78(212) -11.88(0) + 5.25(1)$

$= -0.45 + 801.36 -0 + 5.25\\\\= 806.16$

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3 years ago

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RideAnS [48]

Answer:

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Step-by-step explanation:

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2 years ago

If |a+3|=4 which describes all possible values of a)

Keith_Richards [23]

Answer:

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Step-by-step explanation:

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GuDViN [60]

Answer:

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Step-by-step explanation:

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3 years ago

If triangle DEC is congruent to triangle BEC,which is true by CPCTC?

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Let's go through the possible answer choices one by one

A) BE is congruent to ED
This is true because "BE" and "ED" are formed by the first two letters of BEC and DEC respectively. The triangles are congruent, so the corresponding sides must be congruent. To name a segment, the order does not matter. Writing "DE" is the same as "ED".

B) AC is congruent to BD
False. Point A isn't mentioned at all. We don't know for sure how point A fits in. The statement may be true, or it could easily be false as well. We don't have enough info.

C) Angle BEC = angle DCE
False. The order of the letters is very important. For angle BEC, we have E in the middle so the vertex of the angle is at point E. For angle DCE, the vertex is at point C. If angle BEC = angle DCE, then E and C must correspond; however they don't. Back up at the top, it says "DEC is congruent to BEC", so we see that E corresponds to E, and C corresponds to C.

D) angle BCA = angle BCD
False. Again we don't know anything about point A. The same issues come up as they did with choice B.

The only true result is choice A

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3 years ago