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lawyer [7]
2 years ago
8

When 'x' is multiplied by a number inside the parentheses, it causes what type of

Mathematics
1 answer:
Ainat [17]2 years ago
4 0
I am just answering for points
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Hue is arranging chairs.She can form 6 rows of a given length with 3 chairs left over,or 8 rows of that same length if she gets
Step2247 [10]

Answer:

There are 7 chairs in each row.

Step-by-step explanation:

Hue is arranging some number of chairs. If she arranges them in 6 rows of equal lengths then there will be 3 chairs leftover, or she arranges them in 8 rows of that same length then she requires 11 more chairs.

Let us assume that there are P numbers of chairs and there are x chairs in each row.

Therefore, we can write that  

6x + 3 = P ....... (1) and  

8x = P + 11  

⇒ 8x - 11 = P ........ (2)

Now, from equations (1) and (2) we get,

6x + 3 = 8x - 11

⇒ 2x = 14

⇒ x = 7

Therefore, there are 7 chairs in each row. (Answer)

5 0
3 years ago
A photograph 5 inches wide by 6 inches high is to be enlarged so that the new height is 20 inches. what will the width of the en
Vika [28.1K]
The new width is 16.6666666667 inches, which can be rounded to 16.7. 

Width:     5           ?
Height:    6          20

We know that based on the information provided, the new height is 20 inches.

So, in order to solve, you can cross multiply (5 x 20), which would be 100. Then

divide by 6, to get 16.6666666667 or 16.7.
7 0
2 years ago
11. There are eleven seniors and five juniors who are sprinters on the high school track team. The coach must select four sprint
nirvana33 [79]

Answer:

a) 1820

b) 55

c) 10

d) 550

e) 0.3022

Step-by-step explanation:

Data provided in the question:

Number of seniors = 11

Number of juniors = 5

n  = number of choices

r = number of person to be selected

number of ways = ^nC_r

a) 4-sprinter relay teams can be formed from the group of 16 sprinters

n = 16

r = 4

= ¹⁶C₄

= \frac{16!}{4!(16-4)!}

= \frac{16\times15\times14\times13\times12!}{4\times3\times2\times1(12!)}

=

b)  two seniors be chosen to be part of the relay team

n = 11

r = 2

= ¹¹C₂

= \frac{11!}{2!(11-2)!}

= \frac{11\times10\times9!}{2\times1(9!)}

=

c)  two juniors be chosen to be part of the relay team

n = 5

r = 2

= ⁵C₂

= \frac{5!}{2!(5-2)!}

= \frac{5\times4\times3!}{2\times1(3!)}

= 10

d)  two seniors and two juniors be chosen to be part of the relay team

=  two seniors be chosen to be part of the relay team ×  two juniors be chosen to be part of the relay team

= 55 × 10

= 550

e) P( two seniors and two juniors will be chosen for the relay team )

= [  two seniors and two juniors be chosen to be part of the relay team ] ÷ [4-sprinter relay teams can be formed from the group of 16 sprinters ]

= 550 ÷ 1820

= 0.30219 ≈ 0.3022

6 0
3 years ago
Which parachute has a slower descent a red parachute that was 10 feet in 4 seconds or a blue parachute that falls 1
aleksley [76]
A blue parachute that falls 12 feet in 6 seconds
8 0
3 years ago
What is the value of x <br><br>1/3x= 9 1/3<br><br>Pls hurry <br>My test is due tomorrow
Ira Lisetskai [31]
You have 2 different questions on here but if you’re looking for 1/3x = 9 then x=27
4 0
3 years ago
Read 2 more answers
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