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Alborosie
3 years ago
8

Another 20 point question I need help with

Mathematics
1 answer:
Ahat [919]3 years ago
3 0

Answer:

Step-by-step explanation:

Hope this helps u!!

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Whats the sum of -7x*y + 4x^2 - 2 and 4x'y + 1 - 8x^y?
matrenka [14]

Answer:

-7xy+4x^2-8 and y+1-8x^y

Step-by-step explanation:

8 0
3 years ago
Jim is enclosing a rectangular garden with 170 feet of fencing. The length of the garden is 10 feet more than twice it's width,
Hunter-Best [27]

Answer: Area = 1500 feet^2

Step-by-step explanation:

Jim is enclosing a rectangular garden with 170 feet of fencing. This means the perimeter of the rectangular garden =170 feet

Let length = x

Let width = w

The length of the garden,x is 10 feet more than twice it's width, w. This means

x =10+2w---------1

Perimeter = 2x+2w =170---------2

Putting equation 1 in equation 2,

2(10+2w) +2w= 170

20 + 4w +2w = 170

6w = 170-20=150

w = 150/6

= 25feet

Put w=25 in equation 1

x =10 +2×25= 10+50=60 feet

Area = length × width = x×w

= 60×25=1500feet^2

5 0
3 years ago
I need help with all of them
olga nikolaevna [1]
7. Is 45
10. is 15
8.32
6 0
2 years ago
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Find the missing values in the ratio table then write the equivalent ratios<br><br>PLS HURRY!!​
yarga [219]

Answer:

1. 10

2. 4, and the bottom row is 21

3. divide the bottom by 4. you get 8

4. top row is 15 and bottom row is missing 6

8 0
2 years ago
What is the standard form of 2x=y/3-4
Ymorist [56]

Answer:

-2x

Step-by-step explanation:

7 0
3 years ago
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