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klemol [59]
3 years ago
9

Can i get help with this question?

Mathematics
1 answer:
Maurinko [17]3 years ago
5 0

Answer:

x=8

Step-by-step explanation:

The two angles are complementary angles, so they add together to make 90 degrees

x+50 + 4x = 90

Combine like terms

5x+50 = 90

Subtract 50 from each side

5x+50-50= 90-50

5x = 40

Divide by 5

5x/ 5 = 40/5

x = 8

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4.890 in expanded form?
dangina [55]

Answer: The student’s values are accurate as well as precise.

Explanation:

Precision refers to the closeness of two or more measurements to each other.

For Example: If you weigh a given substance three times and you get same value each time. Then the measurement is very precise.

Accuracy refers to the closeness of a measured value to a standard or known value.

For Example: If the mass of a substance is 50 kg and one person weighed 49 kg and another person weighed 48 kg. Then, the weight measured by first person is more accurate.

Given: Mass = 5.000 g

Mass weighed by A has values 4.891 g , 4.901 g and 4.890. Thus the average value is

Thus as the measured value is close to the true value, the student’s values are accurate and as the values are close to each other, the measurement is precise.

6 0
3 years ago
(b) The force, F, between two objects is inversely proportional to the square of the distance, d, between
LiRa [457]

Answer:

F is reduced by 31%

Step-by-step explanation:

F = 1/(d²)

now, we increase the distance by 20% (multiply by 1.2).

F new = 1/(1.2×d)² = 1/(1.44×d²) = (1/1.44) × (1/(d²)) =

= 1/1.44 × old F = 0.69 × old F

100 - 69 = 31%

6 0
3 years ago
A whole number is squared. The result is between 200 and 260. The number is between:
Anton [14]

Answer:

B

Step-by-step explanation:

b is correct

7 0
2 years ago
sixth graders have the choice between two end of year trips: going to the zoo or going to an amusement park. There are 264 schol
sp2606 [1]

Answer:

Step-by-step explanation:

6 0
3 years ago
Find a simple fraction equal to 0.810 repeating
Bond [772]

Answer:

801/1000

Step-by-step explanation:

7 0
3 years ago
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