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saw5 [17]
3 years ago
12

Can someone help me with this math

Mathematics
1 answer:
astra-53 [7]3 years ago
6 0
Equal them to each other and you get that x=7
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See image help me as fast as possible, please
tresset_1 [31]
20 would be the answer
7 0
3 years ago
PLEASE HELP!!!!!!!!!!!!!!!!
rodikova [14]

Answer:

Step 2

Step-by-step explanation:

Don't Question It

8 0
3 years ago
Write the equation of a linear function f, such that f(1)=4 and f(4)=1 Then find f(-2)
trapecia [35]

If <em>f(x)</em> is a linear function, then

<em>f(x)</em> = <em>ax</em> + <em>b</em>

for some constants <em>a</em> and <em>b</em>.

Given that <em>f</em> (1) = 4 and <em>f</em> (4) = 1, these constants are such that

<em>f</em> (1) = <em>a</em> + <em>b</em> = 4

<em>f</em> (4) = 4<em>a</em> + <em>b</em> = 1

Solve for <em>a</em> and <em>b</em> : eliminate <em>b</em> by subtracting the two equations,

(<em>a</em> + <em>b</em>) - (4<em>a</em> + <em>b</em>) = 4 - 1

-3<em>a</em> = 3

<em>a</em> = -1

Then

-1 + <em>b</em> = 4

<em>b</em> = 5

So we have

<em>f(x)</em> = -<em>x</em> + 5

7 0
3 years ago
Simplify the following expression completely using distribution and combining like terms
Katena32 [7]

Answer:

10 +11f

Step-by-step explanation:

3(4 + 2f) + 5f - 2​ =

12 + 6f + 5f - 2 =

10 +11f

3 0
3 years ago
Read 2 more answers
Modeling real-world problems with one-step equations
Stels [109]

Answer:

Think of an equation that works, then come up with a real-world situation you might need it

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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