MATHEMATICS HIGH SCHOOL

What is 2x=4????????????

Answers

Answer 1

Answer:

Answer:

x = 2

Step-by-step explanation:

2× = 4

x = 2

2x = 4

4/2 = 2

so...

2(2) = 4

x = 2

Answer 2

Answer: That’s easy, divide the 4 by two and divide the two x by two, canceling it out and you have x=2

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Approximately how long is a leg of an isosceles right triangle that has a hypotenuse of length 14.14 cm? A. 3 cm B. 5 cm C. 7 cm D. 10 cm

Answers

According to the fact that isosceles right triangle with the hypotenuse of 14.14 cm its cathetus should be 9.998 cm, and if we round this number we will get 10 cm. Therefore, the answer is D. 10 cm.

What is the y-intercept of the equation: 3x + 6y = 42 *

Answers

Answer:

(0,7)

Step-by-step explanation:

Find the unit rate in feet per second
300 yards over 1 minute

Answers

In order to find the unit rate in ft / sec of 300 yards / min. We first have to elicit the conversion values for each unit of measurement, this will allows us identify how much will we multiply in order to get the goaled value.
Conversion values:
1.    1 yard = 3 feet
2.    1 minute = 60 seconds

Solution:
1.    300 yards x 3 feet/1 yard = 900 feet
2.    1 minute x 60 seconds / 1 minute = 60 seconds

Thus, 900ft/60sec

Question: Find the unit rate in feet per second

300 yards over 1 minute

Answer: 15 ft per second

Reasoning: Since we are trying to find the unit rate of feet per second for 300 yards in one minute. 1 yard is 3 feet. 300 x 3= 900 Now divide 900 by 60 for the seconds. 900/60= 15

So 15 feet per second :)

Circle d has a radius of 21 millimeters and central angle, ∠edf, which measures 60°. find the exact length of . mm 7mm 14mm 42mm

Answers

the length of an arc length can be calculated using the formula:
s = ra
where s is the lenght of the arc
and r is the radius of the circle
a is the central angle in radians

first converts degrees to radians
a = 60 ( pi / 180)
a = pi /3 =1.05

s = 21(1.05)
s = 22 mm is the length of the arc

Answer:

7π mm

Have a good day!

16a +72 what is the answer