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mojhsa [17]
3 years ago
10

Translate the phrase into an algebraic expression. The product of 7 and x

Mathematics
1 answer:
Luda [366]3 years ago
3 0
It’ll be 7*x or just 7x
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If p=3(2q+r), express q in terms of p and r.​
Kruka [31]

Answer:

q=\frac{1}{6}p- \frac{1}{2}r

Step-by-step explanation:

p=3(2q+r)

2q+r=\frac{p}{3}

2q=\frac{p}{3} -r

q=\frac{p}{6}- \frac{r}{2}

6 0
3 years ago
What is the inverse of the function f(x) = x - 12?
ludmilkaskok [199]

Answer: \displaystyle f(x)^{-1}=x+12

Step-by-step explanation:

     First, we will rewrite the function in terms of <em>y</em> as in y = x - 12.

     Second, we will swap the x and y values.

y = x - 12

x = y - 12

     Third, we will solve for y. In other words, we will isolate the <em>y</em> variable and get it "by itself" on one side of the equal sign.

x = y - 12

x + 12 = y

y = x + 12

      Lastly, we will change y back into terms of the function, but the inverse.

\displaystyle f(x)^{-1}=x+12

<em>Learn more about the </em><em>inverse of a function</em><em> here:</em>

<em>brainly.com/question/940569</em>

7 0
2 years ago
The slope of the line is m=3/4. One point is (x, 2) and (3,-4)<br> Find X
Viktor [21]

Answer:

x is 11

Step-by-step explanation:

We know the slope (3/4) and a point (3,-4), so we can use point-slope form (y-y1=m(x-x1)

Substitute the numbers into the equation

y--4=3/4(x-3)

simplify

y+4=3/4(x-3)

do the distributive property

y+4=3/4x-9/4

subtract 4 from both sides

y=3/4x-25/4

this is the equation of the line.

Since it says that (x,2) is a point in the equation, we can substitute it into the equation

2=3/4x-25/4

add 25/4 to both sides

33/4=3/4x

multiply by 4/3

11=x

we can double check by plugging (11,2) into the equation of the line.

2=3/4(11)-25/4

2=33/4-25/4

2=2

it works! :)

Hope this helps!

7 0
3 years ago
Please show ur work
Fiesta28 [93]
B. 1/7 i just took the test and thats what i got hope it helps


3 0
3 years ago
A traintravels 200 kilometers in 2.5 hours. whatis the trains average speed per hour
marusya05 [52]
I think it may be 80 km/h?
5 0
3 years ago
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