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S_A_V [24]
2 years ago
12

Answerr po plss plsss

Mathematics
2 answers:
emmasim [6.3K]2 years ago
7 0

Answer:

8. (m) (1) = m

9. commutative property

10. the ans is -x

13. -9 × 3 = 3 × -9

12. 8xy

14 . 12 × 1 = 12

15. 17+ (-17 ) = -0

Step-by-step explanation:

hope it helps u :)

romanna [79]2 years ago
5 0

Step-by-step explanation:

please mark me as brainlest

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Find the linear equation with slope = 7 and y-intercept = -4 NEED HELP!!!
riadik2000 [5.3K]
You already have all you need. Just put in it the slope-intercept form: y=mx+b where m is the slope and b is the y-intercept so

y=7x-4
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3 years ago
Write an inequality for the situation.<br> all real numbers y that are less than 4 or greater than 9
Arturiano [62]
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5 0
2 years ago
An article estimates, with 90% confidence, that the proportion of elementary school teachers who are female is 82%. The article
GREYUIT [131]

Answer:   (80% , 85%)

Step-by-step explanation:

We know that, confidence interval for population proportion is given by :-

(p-E , p+E)

, where p = sample proportion , E = Margin of error.

Given : Proportion of elementary school teachers who are female = 82%.

The article also states the maximum error of their estimate = 3%.

Then, the 90% confidence interval for the proportion of elementary school teachers who are female will be :

(82%-2% , 82%+3%)

= (80% , 85%)

Hence, the resulting 90% confidence interval for the proportion of elementary school teachers who are female = (80% , 85%)

5 0
3 years ago
Please answer 3-6 and show work
GuDViN [60]

Answer:

3. 10 - 5 is 5. so that is the difference. difference means subtraction.

4. 108 - 30 = 78. so she can move 78 degrees miore after therapy because 108 minues 30 is 78

5. 99 because 180 - 81 = 99. there is always 180 degrees in a line angle.

6. 130 degrees. 25 + 25 = 50 so 180 minus 50 equals 130

Step-by-step explanation:


8 0
3 years ago
Zach is 6 inches shorter than two times his cousin’s height, c. How tall is Zach? To see what Gabriel did wrong, consider that c
irakobra [83]

Answer:

74 inches

Step-by-step explanation:

If his cousin is 40 inches tall, and Zach is 6 inches less than twice his height, solve for 40*2-6, which is 74.

3 0
2 years ago
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