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icang [17]
3 years ago
7

Can someone please help me with this question

Mathematics
2 answers:
Elan Coil [88]3 years ago
6 0

Answer: i think its the second

Step-by-step explanation:

IrinaK [193]3 years ago
5 0
The answer is d of u don’t believe me then substitute it back in the problem
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(FIXED) Can somebody help me get to x?
Hatshy [7]

18 - 12 = 6. Because the top legs of the 2 triangles are congruent, you divide 6  / 2 to get 3 as their length. Then you can use the Pythagorean Theorem to solve for x.

3^2 + x^2 = 14^2

9 + x^2 = 196

x^2 = 187

x = sqrt(187)

6 0
3 years ago
a 4.5-foot-long table and a 127-centimeter-long table side by side to form one long table.What is the combined length of the two
dexar [7]
4.5 feet is 54 inches, and 127cm is 50 inches, so 50+54=104inches
7 0
3 years ago
What is the estimated margin of error, using standard deviation?
OLEGan [10]
Find the mean ( average):
105 + 104 + 110 + 112 + 114 + 106 + 108 +109 = 868
Mean = 868 / 8 = 108.5

Standard deviation:
108.5 - 105 = 3.5, 3.5^2 = 12.25
108.5 - 104 = 4, 4^2 = 16
110 - 108.5 = 1.5, 1.5^2 = 2.25
112 - 108.5 = 3.5, 3.5^2 = 12.25
114 - 108.5 = 5.5, 5.5^2 = 30.25
108.5 - 106 = 2.5, 2.5^2 = 6.25
108.5 - 108 = 0.5, 0.5^2 = 0.25
109 - 108.5 = 0.5, 0.5^2 = 0.25

12.25 + 16 +2.25 + 12.25 + 30.25 +6.25+0.25+0.25 = 79.75
79.75/8 = 9.96875, SQRT(9.96875) = 3.1573

Standard Deviation = 3.1573

108.8 +/- 1.96 *(3.1573/sqrt(8) = 110.687 and 106.312

110.687 - 108.5 = 2.19
108.5 - 106.312 = 2.19
 

Margin of error = +/- 2.19



3 0
3 years ago
Who ever gets this right will get a brainlest
zepelin [54]

Answer:

<1 and <2

<3 and <2

<1 and <4

Step-by-step explanation:

Adjacent angles are angles that are next to each other. In essence, they would share one aside in common. In this problem, the answers are the following,

<1 and <2

<3 and <2

<1 and <4

5 0
3 years ago
Read 2 more answers
Lalo has 1,500 minutes per month on his cell phone plan. How many more minutes can he use if he has already talked for 785 minut
Mandarinka [93]
He can use 715 minutes for the rest of the month.
7 0
3 years ago
Read 2 more answers
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