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Vladimir [108]
3 years ago
9

What is the answer to these three questions

Mathematics
1 answer:
USPshnik [31]3 years ago
6 0

Answer:

15

Step-by-step explanation:

x + 3 = 2(x - 6)

x + 3 = 2x - 12

-1x = -15

\frac{-15}{-1} =15

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given f(x)=4x-1, find the domain value if the range value is -5 given f(x)=4x-1, find the domain value if the range value is -5
olga55 [171]

the domain is -1. Let 4x-1=-5 then solve

6 0
3 years ago
One month Lucy rented 9 movies and 7 video games for a total of $65 . The next month she rented 3 movies and 5 video games for a
postnew [5]
You would answer this question using simultaneous equations, so if m is movies and v is video games, then:
9m + 7v = 65
3m + 5v = 37

9m + 7v = 65
9m + 15v = 111
(minus)
-8v = -46
÷ -8
v = $5.75
Then you can substitute​ the value of V in to find the value of m, so:
3m + (5 × 5.75) = 37
3m + 28.75 = 37
- 28.75
3m = 8.25
÷ 3
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So you get the answers as Video Games are $5.75 each and Movies are $2.75 each, I hope this helps!
4 0
3 years ago
Graph the linear equation. find three points that solve the equation x+y=-2
vagabundo [1.1K]

Answer:

See the graph of the given linear equation shown below.

Explanation:

Given the linear equation : x+y = -2

We make a table for values of x and y;

x               y = -2-x

0               -2

-2               0

1                -3

Now, plot these three points (0, -2) , (-2, 0) and (1, -3) on the coordinate plane.

You can see the graph as shown below.


6 0
4 years ago
An element with a mass of 810 grams decays by 29.3% per minute. To the nearest minute, how long will it be until there are 10 gr
lakkis [162]

Answer:

13

Step-by-step explanation:

i got it wrong but this was the correct answer

6 0
3 years ago
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Degger [83]
Answer:

The second one makes the most sense
4 0
3 years ago
Read 2 more answers
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