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4 years ago

What is the value of y in the equation 3(3y – 12) = 0? (5 points)

Mathematics

2 answers:

natta225 [31]4 years ago

6 0

Set equal to 0

3=0, nope

3y-12=0
add 12
3y=12
divide 3
y=4

5p-4p-8=-2+3
p-8=1
p=9
1 solution

Alika [10]4 years ago

4 0

The first answer for what does y equal is 4 because 3(3x4-12) = 3(12-12) =3x0=0.

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x≠-1,1

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3 years ago

Matt gets paid at home for doing extra chores. Last week, he did 6 loads of laundry and 1

emmasim [6.3K]

Matt earns $4 and $3 for 1 load of laundry and 1 load of dishes respectively

Solution:

Given, Matt gets paid at home for doing extra chores.

We have to find How much does Matt earn for completing each type of chore?

Let the amount for 1 load of laundry be m and amount for 1 load of dish be n.

Now, last week, he did 6 loads of laundry and 1 load of dishes, and his parents paid him $27.

Then, 6 $\times$ amount for 1 load of laundry + 1 $\times$ amount for 1 load of dish = 27

$\rightarrow 6 \mathrm{m}+\mathrm{n}=27 \rightarrow(1)$

The week before, he finished 1 load of laundry and 9 loads of dishes, earning a total of $31

Then, 1 $\times$ amount for 1 load of laundry + 9 $\times$ amount for 1 load of laundry = 31 ⇒m + 9n = 31 ⇒ (2)

Now let us solve equations (1) and (2)

0 – 53n = - 159

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Now, substitute n value in (1) ⇒ 6m + 3 = 27 ⇒ 6m = 24 ⇒ m = 4

Hence, matt earns $4 and $3 for 1 load of laundry and 1 load of dishes respectively.

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4 years ago

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otez555 [7]

Answer:

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Step-by-step explanation:

The formula for nth term of an arithmetic progression is $an = d*n+a1-d$

In this example we have d = 2 (difference, +2 each time) and a1 =4 (first term of sequence).

$an=d*n+a1-d\\an=2n+4-2\\an=2n+2$

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3 years ago