4~ Please help. What is m∠LKE?

Answer:

12.4 units

Step-by-step explanation:

The diameter of circle J is represented by KN. Half of KN is KJ and JN which means these represent the radius. Since JN equals 12.4 and JN is the the radius, then the radius of circle J is 12.4 units which is answer choice D.

The radius of the given circle is 6.2 unit. So option B is correct.

A line segment from a circle's or sphere's center to its perimeter or boundary is known as the radius in geometry. It is a crucial component of spheres and circles and is frequently abbreviated as "r". When discussing multiple radiuses at once, the plural form of radius is "radii". The diameter of a circle or sphere is the longest line segment connecting all points on the opposite side of the centre, and the radius is equal to half of the diameter in length. It can be written as d/2, where d is the circle's or sphere's diameter. Look at the illustration of a circle below that depicts the connection between radius and diameter.

Given that,

A circle,

which contains diameter KN of length 12.4 unit

and chord 10.8 unit.

The radius = ?

It is known that, the length of the radius is half of the diameter of the circle,

R = D/2

  = 12.4/2

  =  6.2

Therefore, the length of the radius is 6.2 unit.

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Answer:

There are 7,200

Step-by-step explanation:

Hope this helps!

There are 8400 4-digit numbers that are neither multiples of 2 nor multiples of 5.

The sequence is a pattern of placing the values in a specified manner.

To count the number of 4-digit numbers that are not multiples of 2 or 5, we can use the principle of inclusion-exclusion.

First, let's count the total number of 4-digit numbers. We know that the smallest 4-digit number is 1000 and the largest 4-digit number is 9999. Therefore, the total number of 4-digit numbers is:

9999 - 1000 + 1 = 9000

Next, let's count the number of 4-digit numbers that are multiples of 2. We know that a number is a multiple of 2 if its last digit is even, so half of the 10 possible digits can be the last digit of a multiple of 2. Therefore, there are:

5 × 10 × 10 = 500

4-digit multiples of 2.

Similarly, let's count the number of 4-digit numbers that are multiples of 5. We know that a number is a multiple of 5 if its last digit is 0 or 5. Therefore, there are:

2 × 10 × 10 = 200

4-digit multiples of 5.

Now, we need to subtract the number of 4-digit numbers that are multiples of both 2 and 5 (i.e., multiples of 10) since they were counted twice in the above calculations. There are:

1 × 10 × 10 = 100

4-digit multiples of 10.

Using the principle of inclusion-exclusion, the number of 4-digit numbers that are neither multiples of 2 nor multiples of 5 is:

9000 - 500 - 200 + 100 = 8400

Therefore, there are 8400 4-digit numbers that are neither multiples of 2 nor multiples of 5.

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Answer:

(0, 3)

Step-by-step explanation:

Let's first eliminate x.  To do this, multiply all three terms of the first equation by 5:  

-5x + 20y = 60

5x -    2y  = -6

----------------------

         18y = 54, so that y = 3.

Substituting 3 for y in the first equation yields:

-x + 4(3) = 12, or -x = 0.  Thus, x = 0, and the solution is

(0, 3)

Answer:

x=-2 and x=-8

Step-by-step explanation:

(x+5)=3

Subtract 5 from both sides, to isolate x

x=-2

-(x+5)=3

Distribute the -

-x-5=3

Add 5 to both sides to isolate x

-x=8

Multiply both sides by -

x=-8

Hope this helps! Please mark brainliest :)

Answer:

25^2=625

24^2= 576

7^2= 49

as 625 = 576+49 so 7,24,25 form a Pythagorean triplet

similarly

9,40,41 also is a Pythagorean triplet

Answer:D

Step-by-step explanation:

There is no way this graphs are going to intersect.

the straight line has the equation y=1/2x +1 and the u shape graph has the quation y=x^2  

The is no way this lines are going to intersect.

Answer:

(2, 3) x=2, y=3

Step-by-step explanation:

There are two ways to solve this: substitution & elimination:

Using substitution for this equation:

[tex]\left \{ {{3x+y=9} \atop {5x+4y=22}} \right.[/tex]

3x + y =9

y = 9-3x

Substitute for y:

5x + 4(9 - 3x) = 22

5x + 36 - 12x = 22

-7x = -14

x = 2

Solve for y:

3(2) + y = 9

6 + y = 9

y = 3

Answer:

-2

Step-by-step explanation:

9-(-1)=10

-3-2=-5

10/-5=-2

If this is correct brainliest would be highly appreciated

Answer:

The y-intercept is 3.

Step-by-step explanation:

Step 1: Find the slope of the line.

m =  rise/run = y2 - y1/ x2 - x1

m= 9-(-1)/-3-2

m=10/-5 = -2

Slope-intercept form equation is y = mx + b

Step 2: Plug in slope to slope-intercept equation and solve for b (y-intercept)

y = -2x + b

We can use the point (2, -1)

Plug it in.

-1 = -4 + b

Solve.

b = 3

Answer: i-

Step-by-step explanation:

Answer:

neither

Step-by-step explanation:

parallel run side by side and perpendicular cross at 90 degree angle.  these equations come out to looking like a X

Answer:

The answer is A I JUST DID it

The cross section of the figure is Pentagon.

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

A plane intersects a pentagonal pyramid horizontally as shown.

Now, By the given figure,

The plane slices through the pentagonal pyramid horizontally and forms a pentagon shaped cross-section.

Hence, It represent the Pentagon.

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Answer:

the total number of students is 1240

Step-by-step explanation:

the difference between 11 and 9 is 2

124÷2=62

62×11=682

62×9=558

682+558=1240

pls give me brainliest!

Answer:

take your time dont rush

Step-by-step explanation:

1/2*7/8=7/16

Answer:

7/16

The required fraction of 1/2 of 7/8 is given as 7/16.

Fraction is defined as the number of compositions that constitutes the Whole.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

here,
1/2 of 7/8 = 1/2 × 7/8
               = 7 / 16

Thus, the required fraction of 1/2 of 7/8 is given as 7/16.

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Answer:

11x-11

Step-by-step explanation:

(10x-4)+(-7+x)

10x-4-7+x

11x-11

Answer:

11x-11

Step-by-step explanation:

10x+x=11x

-4+(-7)=-11

11x-11

if this is right a brainliest would be very appreciated!

Answer:

99

Step-by-step explanation:

26-4=22. 4+7=11. 22-11=11. 9 times 11=99

Answer:

Answer:

99

26-4=22. 4+7=11. 22-11=11. 9 times 11=99

Step-by-step explanation:

Answer:300

Step-by-step explanation:

Answer:

[tex]28in^2[/tex]

Step-by-step explanation:

Split it up.

3 rectangles.

You have two congruent ones, whose area is 2 * 4 = 8 and their total is 16

Then you have another one whose area is 6 * 2 = 12

16 + 12 = 28

Answer:

$1.09

Step-by-step explanation:

Answer:

A.6

Step-by-step explanation:

Cause it is bisecting the line and that means the length is the same on both sides

Answer:

2.62lbs

Step-by-step explanation:

Answer:

$13.35

Step-by-step explanation:

To find the amount of discount, multiply the discount rate by the usual price of the small TV.

discount rate * regular price

The discount rate is 15% and the regular price of the small TV is $89.00

15%*$89.00

15%*89

Convert 15% to a decimal by dividing 15 by 100, or moving the decimal place two spots to the left.

15/100=0.15

15.0-->1.5-->0.15

0.15*89

Multiply

13.35

The discount amount is $13.35

So the amount of discount is $13.35

Look at the attached picture

Hope it will help you

Good luck on your assignment

Answer:

3

Step-by-step explanation:

To find f(3) we just need to plug in 3 wherever we see an n

f(3) = f(3 - 2) + f(3 - 1)

f(3) = f(1) + f(2)

Since f(1) and f(2) are given, we can plug in the respective values

f(3) = f(1) + f(2) → f(3) = 1 + 2 = 3

Answer:

3

Step-by-step explanation:

I just did it on Khan

Answer:

Jack can form four rectangular prisms with 20 unit cubes.

Step-by-step explanation:

Number of unit cubes Jack has = 20

Factors of 20 = 1, 2, 4, 5, 10, 20

The possible dimensions of a rectangular prism that can be formed by these unit cubes may be,

1 × 1 × 20 (One cube at the base)

1 × 2 × 10 (2 cubes at the base)

1 × 4 × 5 (4 cubes at base in a single row)

2 × 2 × 5 (4 cubes at the base with 2 cubes in length and 2 cubes in width)

Therefore, Jack can form four rectangular prisms with 20 unit cubes.

1.

AB:

a² + b² = c²

'a' and 'b' are legs, while 'c' is the hypotenuse

3.6² + 5.2² = 12.96 + 27.04

c² = 40

c = √40

c ≈ 6.3

m∠A:

sine, cosine, tangent

soh - [tex]\frac{opposite}{hypotenuse}[/tex]

cah - [tex]\frac{adjacent}{hypotenuse}[/tex]

toa - [tex]\frac{opposite}{adjacent}[/tex]

∠a:

5.2 = opposite

6.3 = hypotenuse

[tex]\frac{5.2}{6.3}[/tex] = 0.825396...

x = sin^-1(0.825396)

x = 55.6 ≈ 56º

∠b:

90º + 56º = 146

180 - 146 = 34º

repeat for the rest of the problems

Answer:

center: (0,0)

radius: 4 units

Step-by-step explanation:

the circle goes through points (0,4), (0,-4), (4,0), and -4,0).

if you notice, all four points are 4 away from the origin, (0,0). this means that there center is (0,0).

if you start at one of the points and go to the origin, it will be 4 units. that will be your radius

.03 is the answer. hope it help!:-)

Answer:

0.02623 rounds to 0.03

Step-by-step explanation:

ones. tenths hundredths thousands

we look at the thousandths place when rounding to the hundredths

the thousands place is 6 (which is 5 or greater) so we will round the hundreds place up 1

0.02623 rounds to 0.03