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MArishka [77]
3 years ago
7

JENCIA DIDÁCTICA: Miércoles 17 de ma

Mathematics
1 answer:
Tasya [4]3 years ago
5 0
By dhicwoh chqzhvyevzjsuVwgwjevjewgjevUvzueegzuwgdsusvjv jevxjevjevxuegurzrvzurzvdjz. Jevzj
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Find the m < A ? A.80 B.145 C.105 D.70
Rainbow [258]

Answer:

D

Step-by-step explanation:

∠ A is the angle opposite side a

the sum of the 3 angles in the triangle = 180° , that is

∠ A + 75° + 35° = 180°

∠ A + 110° = 180° ( subtract 110° from both sides )

∠ A = 70°

6 0
2 years ago
Please show ALL work<br><br> 4-5(2x+11)+6x=6-4(-x-9)-5
svp [43]

Step 1. Simplify 6 - 4(-x-9)-5 to -4(-x-9) + 1

4 - 5(2x + 11) + 6x = -4(-x-9) + 1

Step 2. Expand

4 - 10x - 55 + 6x = 4x + 36 + 1

Step 3. Simplify 4 - 10x - 55 + 6x to -51 - 4x

-51 - 4x = 4x + 36 + 1

Step 4. Simplify 4x + 36 + 1 to 4x + 37

-51 - 4x = 4x + 37

Step 5. Add 51 to both sides

-4x = 4x + 37 + 51

Step 6. Simplify 4x + 37 + 51 to 4x + 88

-4x = 4x + 88

Step 7. Subtract 4x from both sides

-4x - 4x = 88

Step 8. Simplify -4x - 4x to -8x

x = -88/8

Step 10. Simplify 88/8 to 11

x = -11


6 0
3 years ago
Read 2 more answers
Tell answer
seropon [69]

Answer:

{ \tt{ {27}^{3} \times  {9}^{2}  \times 3 }} \\  = { \tt{ {3}^{3}  \times  {3}^{2} \times  {3}^{1}  }} \\  = { \tt{ {3}^{(3 + 2 + 1)} }} \\ { \tt{ =  {3}^{6} }}

7 0
3 years ago
FOR 99 POINTS
Katyanochek1 [597]
Set up multiplication/division to introduce units you need and to cancel out those that you do not need for your answer...

2500mi(in/500mi)=5in
4 0
3 years ago
Read 2 more answers
The results of a national survey showed that on average, adults sleep hours per night. Suppose that the standard deviation is ho
Leokris [45]

Answer:

Following are the solution to the given question:

Step-by-step explanation:

For point a:

6.5 - 4.9 = 2.4 \\\\\frac{2.4}{1.2} = 2 \\\\\sigma \ \ so \ k = 2

For point b:

\frac{3}{1.2}\ \  \sigma\  \ so \ k =\frac{3}{1.2} \ \ so\ \ 1- \frac{1}{k ^2} = 0.84

For point c:

Once again, we have k = 2 though with Chebyshev discrepancy of witness numbers in the same number of standard deviations off mean = at least 75 percent.

3 0
3 years ago
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