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Virty [35]
3 years ago
8

PLEASE HELP ASAP what is the value of x? enter your answer in the box.

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0

Answer:

x=5

Step-by-step explanation:

We can use proportions to solve this problem.  Put the side of the small triangle over the side of the large triangle.

9           15

------ = ----------

2x-1        3x

Using cross products

9*3x = 15(2x-1)

27x = 30x-15

Subtract 30x from each side

27x-30x = 30x-30x -15

-3x = -15

Divide by -3

-3x/-3 = -15x/-3

x = 5

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Answer:

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5 0
3 years ago
Katie has read 32% of a book. If she has read 80 pages, how many more pages does Katie have left to read? Please explain
yawa3891 [41]
Keep note of these things before we start:
-Of is a keyword that tells us multiplication is being done
-x = total number of pages
-32% = 32/100 = .32

Okay, here we go:
32% of total number of pages = 80
.32 of x = 80
.32*x = 80
.32x = 80
.32x/.32 = 80/.32
x = 250

There are 250 pages in total in Katie's book.
To find out how many pages she has to read (y), subtract the pages read from the total:
TOTAL - PAGES READ = PAGES LEFT TO READ
250 - 80 = y
170 = y

Katie has 170 pages left to read
Hope this helps!
8 0
3 years ago
What’s is the answer
Softa [21]
It’s A I just took that trust me
6 0
3 years ago
Read 2 more answers
Karla needs to convert 16 oz to cups.She knows that 8 liquid oz= 1 c.Her work is shown.
padilas [110]

Answer:

  • Karla is wrong, correct answer is 2  cups

Step-by-step explanation:

<u>8 oz = 1 cup</u>

  • the ratio 1 oz = 1/8 cup

<u>Find the answer using the ratio</u>

  • 16 oz = 16*1/8 cup = 2 cups
7 0
3 years ago
What is the sum of the two Numbers? Pls help
vaieri [72.5K]
Well the word “sum” means to add.
Other than that good luck.
7 0
3 years ago
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