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salantis [7]
3 years ago
14

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
seraphim [82]3 years ago
3 0
\cos( s ) = \frac{12}{20}
s = { \cos}^{ - 1} \frac{12}{20}
s=53.1

So the answer is D
Hope I can help u
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Please help this is due today.
alex41 [277]

Answer:

b = 90

c=80

d =100

Step-by-step explanation:

Given

See attachment

Required

Find b, c and d

First, we solve for b using:

b + 10 + b - 10 = 180 --- base angles of a parallelogram

Collect like terms

b + b =180+10-10

2b = 180

Solve for b

b = 180/2

b = 90

Then, we have:

d =b + 10

c = b - 10 --- opposite angles

So, we have:

d =90 + 10

d =100

c = 90 - 10

c=80

6 0
3 years ago
Find the slope and y-intercept
Serggg [28]

Answer:

y-intercept: 0

slope:120/7

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
If the null hypothesis of an experiment is “The true mean weight of the geese is greater than 40 pounds” what is the alternate h
Ira Lisetskai [31]

Answer:

<em>"The true mean weight of the geese is less than or equal to 40 pounds"</em>

<em></em>

Step-by-step explanation:

<u>Something (or some value) can be either equal to, greater than, or less than another thing (another value).</u>

Null Hypothesis is what is given and Alternate is what we are testing.

Since Null Hypothesis is given that the mean weight is GREATER THAN 40 pounds, the ALTERNATE HYPOTHESIS would be the mean weight is either EQUAL TO or LESS THAN 40 pounds.

Thus, alternate hypothesis is <em>"The true mean weight of the geese is less than or equal to 40 pounds"</em>

5 0
3 years ago
Solve. Write or draw to explain. Grace has $1.10. she spends 75¢ on a toy. How much change did she get back?
zmey [24]
35 cents is the awnser
3 0
3 years ago
Read 2 more answers
Does anybody know a rule that will work for all of these?
Alik [6]

y = something x plus or minus a number

going through each line it isn't a linear pattern ( they don't all have the same difference when subtracted or added together)

so now you play around with quadratic equations ( square roots, powers, etc.)


 and you will see that y = x^2 -5

5 0
3 years ago
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