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pochemuha
4 years ago
8

4x-8 = 12 4x - 8 + 8 = 12 + 8 4x= 20 4/4x=20/4 x=

Mathematics
1 answer:
TEA [102]4 years ago
5 0

Answer:

x=5

i just got it right on my quiz

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SCUBA diving set
lys-0071 [83]

Answer:

Step-by-step explanation:

Snorkel, mask, and flippers Slope: 2 (so in the equation, it would look like 2x).

Snorkel, mask, and flippers Y-intercept: 10 (12 - 2 = 10, which is 0 hours, possibly the initial amount)

Snorkel, mask, and flippers Slope intercept form: y = 2x + 10

4 0
4 years ago
Megan purchased 5 square yards of flooring for a total of $270. What was the price of this flooring per square foot?
grin007 [14]

Answer:

$18 per square foot.

Step-by-step explanation:

First there are 3 feet in a yard. So if she purchased 5 square yards there would be 3 times as many square feet soo.

5*3= 15

So there were 15 square feet in the 5 square yards.

Now just divide 270/15 = 18

$18 per square foot.

Hope this helpsss!

5 0
3 years ago
If a function rule is 2x – 3, what is the output for the input 3?
anzhelika [568]

Answer:

The function rule can be written as: f(x) = 2x-3

So, when  we input 3, we replace all of the x's for  3's and have: f(3) = 2(3)-3.

This simplifies to be: f(3) = 3, meaning that 3 is the output.

Hope this helps!

6 0
3 years ago
Read 2 more answers
Lexi has $80 to spend on an ice cream treat each week. If she spends $4 on ice cream per week, the function C(x)=80−4x
adoni [48]

Answer:

Domain=\{1,2,3,4,5,6,7,8,9,10,11,12,,13,14,15,16,17,18,19,20\}

In other words Domain=\{x|x\ is\ an\ integer\ and\ 1\leq x\leq20\}

Step-by-step explanation:

C(x)=80-4x

Let after t weeks she has left no money.

c(t)=0\\80-4t=0\\4t=80\\t=20

That means she can have money for ice cream from the week 1 to week 20 and after that she will have no money.

So x can be any number between 1 and 20

Hence Domain=\{x|x\ is\ an\ integer\ and\ 1\leq x\leq20\}

7 0
4 years ago
Which times are before 12 in the afternoon on the same day
Oxana [17]

Answer:

1 a.m to 11 a.m

Step-by-step explanation:

It's obvious.

3 0
2 years ago
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