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Tcecarenko [31]
3 years ago
7

Find x. Round your answer to the nearest tenth. BRANLIEST ASAP TY!!​

Mathematics
2 answers:
Usimov [2.4K]3 years ago
8 0
Answer:
62.5

Explanation:
I just took the test!
oksian1 [2.3K]3 years ago
6 0

Answer:

62.5°

Step-by-step explanation:

Cos(x) = 6/13

x = acos(6/13)

x = 62.51357375

x = 62.5°

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A rectangular plot of ground is 10 meters longer than it is wide. It’s area is 20,000 square meters what equation will help find
kow [346]
If x=width, then the equation would be:

x(x+10)=20,000

The length is 10 meters longer than the width(x), so the length is x+10.
To get the area(20,000) you multiply width by length, hence x(x+10).

Hope this helps.


3 0
3 years ago
Two spinners are shown. Look at the spinners as you respond to the statements below.
spayn [35]
Answer:
A. false
B. true
C. true
D. false
step-by-step:
A: probability of spinning a 4 on spinner A is 1/4 and probability of spinning a 4 on spinner B is 1/3.
B: there are 2 fours out of 6 possible options so that makes it 2/6, simplify that, it becomes 1/3.
C: 2 and 4 are even numbers so that makes 2/4 possible on spinner A. simplify 2/4 and that becomes 1/2.
D. spinning a 3 on spinner A would make it 1/4 (already simplified). spinning a 3 on spinner B would make it 1/6 (already simplified) therefore spinner A is greater.
7 0
3 years ago
Read 2 more answers
A study of bone density on 5 random women at a hospital produced the following results.
IRINA_888 [86]

Answer:

- 0.9503 ; r is not statistically significant ; 0.9031

Step-by-step explanation:

Given the following :

Age (X) :

37

41

57

65

73

Bone density (Y)

355

345

340

315

310

Using the pearson R value calculator :

The r value of the data % - 0.9503.

This value depicts a very strong negative correlation between age and density of bone.

Using the pearson R calculator to obtain the P- value, the P value obtained is .01332 and hence the r is not significant at P < 0.01.

The Coefficient of determination R^2 can be obtained by getting the square value of R

R^2 = - 0.9503^2

R^2 = 0.90307009

R^2 = 0.9031

8 0
3 years ago
0&lt;2x&lt;4 solve for the given variable
Papessa [141]

Answer:

0 < x < 2

Step-by-step explanation:

0 < 2x < 4

Divide 2 into all the parts.

0/2 < 2x/2 < 4/2

The x variable should have no coefficient.

0 < x < 2

8 0
3 years ago
What is the answer of 10 ( 5 + n )
inn [45]

Answer:

50+n

Step-by-step explanation:

distributive property:   10 times 5 equals 50.  

           you are left with 50 plus n.

4 0
3 years ago
Read 2 more answers
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