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Effectus [21]
3 years ago
5

I need help on this please

Mathematics
2 answers:
tatiyna3 years ago
8 0

Answer:

82

Step-by-step explanation:

The horizontal line BD is a straight line bisected by the vertical line.  Since it is a straight line, the two angles ACB and ACD must add up to 180.

So angle ACB is 180 - 98  = 82

iren [92.7K]3 years ago
6 0

Answer:

m∠ACB = 82°

Step-by-step explanation:

m∠ACB = 180° - m∠ACD

∠ACB and ∠ACD are supplementary, which add up to 180°

m∠ACB = 180° - 98°

m∠ACB = 82°

-Chetan K

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frosja888 [35]

Answer:

1st question: 13 questions

2nd question: Mr.Philps will not have enough

Step-by-step explanation:

Mateo and Logan finished 65% of their math homework. If it has 20 problems, how many problems have they done?​

20 x 0.65 = 13

Mr. Philps made 1 gallon of fruit punch for his class party. If he has 27 students, and each of them will drink 1 cup, will he have enough?

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3 years ago
I need help on this, I have no idea what I’m doing
Studentka2010 [4]

which problems? i can teach you how to do them if you want me too.

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3 0
3 years ago
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LuckyWell [14K]

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Step-by-step explanation:

4 0
3 years ago
replace the third equation by the sum of itself and -1 times the second equation x-2y-7z=17,-6x+4y+5z=-9,8x+7y=z=-4
VMariaS [17]

Answer:

14x+3y-6z=5

Step-by-step explanation:

x-2y-7z=17 --- 1

-6x+4y+5z=-9 --- 2

8x+7y-z=-4 ---3

-1 times the second equation = -1(-6x+4y+5z=-9)

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Now we are given that replace the third equation by the sum of itself and -1 times the second equation

So, New third equation = 8x+7y-z+6x-4y-5z=-4+9

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Hence the new third equation is 14x+3y-6z=5

6 0
4 years ago
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