MATHEMATICS HIGH SCHOOL

6 * x = - 24
What is the missing number?​

Answers

Answer 1
Answer: The missing number is 4

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The diagram shows three squares that are joined at vertices to form a right triangle. Which statement is true? A. The sum of the areas of Square N and Square L is equal to the area of Square K.
B. The sum of the areas of Square N and Square L is greater than the area of Square K.
C. The sum of the areas of Square N and Square K is equal to the area of Square L.
D. The sum of the areas of Square N and Square K is less than the area of Square L.

Answers

The sum of the areas of Square N and Square L is equal to the area of Square K and this can be determined by using the Pythagorean theorem.

Given :

The diagram shows three squares that are joined at vertices to form a right triangle.

The following steps can be used in order to determine which statement is true:

Step 1 - The Pythagorean theorem can be used in order to determine which statement is true.

Step 2 - According to the Pythagorean theorem, the sum of the square of the shorter sides is equal to the square of the longer side.

Step 3 - So, from the above steps, it can be concluded that the sum of the areas of Square N and Square L is equal to the area of Square K.

Therefore, the correct statement is given by option A).

For more information, refer to the link given below:

brainly.com/question/25277954

answer:

a) the sum of the areas of square n and square l is equal to the area of square k.

step-by-step explanation:

https://quiz izz.com/admin/quiz/5ecffa4789713d001cea9223/2019-8th-grade-staar

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Explaining How to Compare Water Levels Ericka decided to compare her observation to the average annual trend, which shows the water rising 1.8 mm/year. Remember, she used 6.2 years as her time period. Explain how she would calculate the difference between how much water levels rose on average and how much the water level fell in the part of the river she observed.

Answers

Step-by-step explanation:

Below is an attachment containing the solution

Answer: She would multiply the rate by the years to find the average rise in water levels, or 1.8 times 6.2 = 11.16. To find the difference between the water levels, she would subtract -13.64 from 11.16.

Step-by-step explanation:

X over two is equal to 11

Answers

Multiply each side by 2.
if x over two equals 11 then:
x= 11x2
x = 22

One day, a person went to a horse racing area. Instead of counting the number of humans an horses, he conuted 74 heads and 196 legs. How many humans and horses were there?A.
37 humans and 98 horses
B.
24 horses and 50 humans
C.
31 horses and 74 humans
D.
24 humans and 50 horses




99 POINTS

Answers

A human has 1 head and 2 legs.
A horse has 1 head and 4 legs.

Let's make two equations from what we know.

There were a total of 74 heads.
There were a total of 196 legs.

Let's call humans 'x' and horses 'y'

The total number of heads were 74.
Humans have 1 head, and so do horses.

Our first equation is:
x + y = 74

There were a total of 196 legs. 
Humans have 2 legs, and horses have 4 legs.

Our second equation is:
2x + 4y = 196

Our two equations are:

x + y = 74
2x + 4y = 196

We need to solve this system of equations to find out how many humans and horses were at this racing event.

Multiply the first equation by 2.

2(x + y) = 2(74)
2x + 2y = 148

Our two equations are:

2x + 2y = 148
2x + 4y = 196

Subtract the first equation from the second equation.

2x - 2x + 2y - 4y = 148 - 196
2y - 4y = 148 - 196
-2y = - 48

Divide both sides by -2

y = 24

That means that there were 24 horses.

We can plug back in y = 24 into our first equation to find out how many humans there were.

x + y = 74
x + 24 = 74
x + 24 - 24 = 74 - 24
x = 50

There were 50 humans.

At the horse racing event, there were 24 horses and 50 humans.

Your final answer is B. 24 horses and 50 humans.
50 +24 =74 heads  50 x 2 = 100 human legs 4 x 24 = 96 horse legs 100 + 96 =196 legs total. So b will be your final answer.

1) How many ways can six books be arranged on one shelf? a) 21 b) 120 c) 360 d) 720 2) There are eight girls competing in an ice-skating competition. In how many ways can they finish in first, second, and third place? a) 336 b) 1,680 c) 2,016 d) 40,320 3)How many ways can a president and vice president be selected from a class of 12? a) 23 b) 72 c) 132. d) 1,320 4)How many ways can seven students line up for a class picture? a) 5,040 b) 210 c) 28 d) 7

Answers

1 )  6 · 5 · 4 · 3 · 2 · 1 = 720
Answer: D ) 720
2 )  8 · 7 · 6 = 336
Answer: A ) 336
3 ) 12 · 11 = 132
Answer: C ) 132
4 ) 7 · 6 · 5 · 4 · 3 · 2 · 1 = 5,040
Answer: A ) 5,040

Answer:  The correct options are

(d) 720.

(a) 336.

(c) 132.

(a) 5040.

Step-by-step explanation:  The calculations are as follows:

(1) The number of ways in which six books be arranged on one shelf is given by

6!=6*5*4*3*2*1=720.

So, the total number of ways is 720.

Option (d) is CORRECT.

(2) Given that there are 8 girls competing in an ice-skating competition.

So, the number of ways in which they can  finish in first, second, and third place is given by

8* 7* 6=336.

Thus, the total number of ways is 336.

Option (a) is CORRECT.

(3) The number of ways in which a president and vice president can be selected from a class of 12 is given by

12*11=132.

Thus, the total number of ways is 132.

Option (c) is CORRECT.

(4) The number of ways in which 7 students can line up for a class picture is given by

7!=7*6*5*4*3*2*1=5040.

Thus, the required number of ways is 5040.

Option (a) is CORRECT.

Will give Brainliest if u help me solve this problem

Answers

Answer:

31

Step-by-step explanation:

Median is the middle number when you order them ascending.

Answer:

40 million acres.

Step-by-step explanation:

15 ,27, 31, 40, 44. The median number is the middle number(arranged from least to greatest). In 5 numbers, the middle number is the 3rd number(arranged from least to greatest), therefore; the answer is 31.
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