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eduard
3 years ago
15

O points Solve for x. Your answer will be of the form ##°

Mathematics
1 answer:
stellarik [79]3 years ago
7 0

Answer:

x = 59

Step-by-step explanation:

Here, we want to get the value of x

To do this, we use an important arc-angle relationship

we have this as:

x = (36 + 82)/2

x = 59

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Astronomers sometimes use angle measures divided into degrees, minutes, and seconds. One degree is equal to 60 minutes, and one
ExtremeBDS [4]

The measure of ∠K is 49 degrees 22 minutes 51 seconds.

<u>Step-by-step explanation:</u>

Given that ∠J and ∠K are complementary.

∠J = 41°38'9".

∠K = ?

When a sum of two angles result is 90°, then it is called as complementary angles.

Since ∠J and ∠K are complementary, then their sum is 90°.

∠J +∠K=90°.

∠K= 90° - ∠J.

=90°60'60" - 41°38'9".

=49°22'51".

∠K= 49 degrees 22 minutes 51 seconds.

3 0
3 years ago
John has 8 cm pieces of toy train track and Tom has 18 cm pieces of train track. How many of each
Serhud [2]

Answer: 13cm each.

Step-by-step explanation:

8cm +18 cm=26cm

26/2

=13cm

7 0
3 years ago
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Consider college officials in admissions registration, counseling, financial aid campus ministry, food services, and so on. How
andre [41]

Since sample size is > 40, we use the z-score in calculating for the confidence interval.

The formula is given as:

Confidence Interval = X ± z * σ / sqrt (n)

Where,

X = mean = $50,340

z = z-score which is taken from standard distribution tables at 90% confidence interval = 1.645

σ = standard deviation = $10,780

n = sample size = 45

Substituting to the equation:

Confidence Interval = 50,340 ± 1.645 * 10,780 / sqrt (45)

Confidence Interval = 50,340 ± 1,607

Confidence Interval = $48,733 to $51,947

<span>Therefore the salary range of the personnel is $48,733 to $51,947.</span>

5 0
3 years ago
Please help me there is a picture below,will mark you as brainlest!<br> Thank You :)
Anna11 [10]

Answer:

The answer is no

Step-by-step explanation:

6 0
3 years ago
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A deli is offering two specials. The roast beef special gives a profit of $2.30 per sandwich, and the turkey special gives a pro
nikklg [1K]

Answer:

The constraints are as follows;

1) 2·x + 2·y ≤ 120

2) 3·x + 4·y ≤ 160

3) x = 2.30

4) y = 3.10

5) P = 2.3·x + 3.10

Step-by-step explanation:

The question is a word problem, with the analysis as follows;

The profit from the roast beef special per sandwich = $2.30

The profit from the turkey special per sandwich = $3.10

The number of slices of bread in the roast beef special = Two slices

The number of slices of cheese in the roast beef special = Three slices

The number of slices of bread in the turkey special = Two slices

The number of slices of cheese in the turkey special = Four slices

The number of slices of bread the deli has  = 120 slices

The number of slices of cheese the deli has = 160 slices

Let 'x' and represent the number of roast beef special and 'y' represent the number of turkey special the deli makes, then we have the constraints as follows;

For the number of slices of bread used;

2·x + 2·y ≤ 120...(1)

For the number of slices of cheese used;

3·x + 4·y ≤ 160...(2)

x = 2.30

y = 3.10

The profit 'P' is given by the following equation

P = 2.3·x + 3.10.

5 0
3 years ago
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