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dlinn [17]
2 years ago
6

Write each expression with fewer terms 10x - 2x 10x - 3y + 2x

Mathematics
1 answer:
charle [14.2K]2 years ago
3 0
1. 8x
2. 12x+3y
Hope this helps! Mark brainliest if you have the time!
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An ant has 6 legs. how many legs do 8 ants have
mojhsa [17]
48, multiply 8 ants with 6 legs on each ant.
5 0
2 years ago
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Dilly is 7 years younger than Dally. In 4 years time she will be half Dally’s age. What is the sum of their ages now?
Step2247 [10]

Answer:

<u>The sum of their ages now is 13</u>

Step-by-step explanation:

Dally's age = x

Dilly's age = x - 7

In 4 years time Dilly will be half Dally’s age, therefore:

Dilly's age plus four equals to half of Dally’s age plus four,

replacing with the values and variables we know:

x - 7 + 4 = (x + 4) /2

x - 3 = (x + 4) /2

2x - 6 = x + 4 (Multiplying by 2 at both sides)

2x - x = 4 + 6 (Like terms)

x = 10 ⇒ x - 7 = 3

<u>The sum of their ages now is 13 (10 + 3)</u>

4 0
2 years ago
Andrei wants to fill a glass tank with marbles, and then fill the remaining space with water. WWW represents the volume of water
andre [41]

Answer:

32 Liters

Step-by-step explanation:

In the glass tank:

W = represents the volume of water Andrei uses (in liters)

n =Number of marbles

Given that: W=32-0.05n

The volume of the glass tank is the volume of the water in the tank plus the total volume of n marbles added.

Therefore:

W+0.05n=32

Volume of the tank =32 Liters

6 0
2 years ago
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If 10a+10b=35, what is the average (arithmetic mean) of a and b?
worty [1.4K]

Answer:

1.75

Step-by-step explanation:

If a  and b are two numbers, then their arithmetic mean is

\dfrac{a+b}{2}

Given:

10a+10b=35

Divide this equation by 10:

a+b=3.5

Now, divide it by 2:

\dfrac{a+b}{2}=\dfrac{3.5}{2}\\ \\\dfrac{a+b}{2}=1.75

6 0
2 years ago
Which statement shows how two polynomials 5x − 6 and 6x + 2 demonstrate the closure property when multiplied?
Sunny_sXe [5.5K]
I dont see any statements. When you multiply the two you get: 30x^2 - 26x -12.
8 0
2 years ago
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