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irina1246 [14]
3 years ago
9

Translate the sentence into an equation.

Mathematics
1 answer:
Vlad1618 [11]3 years ago
4 0

Answer:

3w+7=9

Step-by-step explanation:

i need at least 20 characters so I just rote this

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What is $15.60 to $11.70
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25

Step-by-step explanation:

15.60 divided by 11.70 = 25

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A garden table and a bench cost $689 combined. The garden table costs $39 more than the bench. What is the cost of the bench?
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Shawna wants to purchase some shorts and a few pairs of socks. The shorts cost $10 and a pair of socks cost $3. Shawna can spend
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Solve this system of linear equations. separate the x- and y- values with a coma. -x=29-14y
aleksandrvk [35]

We are given the two equations:

(1) -x=29-14y
(2) -9x=-19+14y

 

Multiply (1) by 9:

-9x = 261 – 126y

 

Subtract the two equations:

-9x = 261 – 126y

-

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140y = 280

y = 2

 

From (1):

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4 0
3 years ago
There are 20 students in a 5th grade class. Four of these students will be selected to be patrols. In how many ways can the four
navik [9.2K]

Answer:

4845 ways

Step-by-step explanation:

We need to form groups of four students among the total of 20 students, and the order of the students inside the group does not matter, so we have a combination problem.

To solve this problem, we just need to find the combination of 20 choose 4:

C(20, 4) = 20! / (16! * 4!) = 20 * 19 * 18 * 17 / (4 * 3 * 2) = 4845

There are 4845 ways of selecting this group of four patrols.

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3 years ago
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