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professor190 [17]
4 years ago
11

Solve the equation. - 2(x + 1) + 3x = 12 X=

Mathematics
2 answers:
Paul [167]4 years ago
8 0

Answer:

x= 14

Step-by-step explanation:

slega [8]4 years ago
3 0

Answer:

X= 14

Step-by-step explanation:

-2X-2+3x=12

-2x-2+3x=12

x-2=12

x=12+2

x=14

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Write an equation in the variables x and y for the line that passes through the point (4, 7) and that is perpendicular to the li
Brrunno [24]

First of all, we need to find the slope of the given line, writing it in the y=mx+q form and reading the m coefficient:

2x + 2y = 14 \iff 2y = -2x + 14 \iff y = -x+7

So, the slope is -1

If a line with slope m' is perpendicular to a line with slope m, the following relationship holds:

mm' = -1

So, the slope of our line must satisfy

m(-1) = -1 \iff m=1

So, we need the equation of a line with slope 1 and passing through (4,7). Given the slope m and a point (x_0,y_0) of a given line, its equation is given by

y-y_0 = m(x-x_0)

So, if you plug your values, you have

y-7=1\cdot(x-4) \iff y = x+3

8 0
3 years ago
See the three. What proportion of the first 1000 natural numbers have a 3 somewhere in them? For example, 135, 403, and 339 all
Angelina_Jolie [31]
I think the proportion of the numbers from 1-1000 that contains 3 is 261 out of 1000 number and it includes the numbers in 300 place. I hope you are satisfied with my answer and feel free to ask for more if you have clarifications and further questions. 
5 0
3 years ago
Calculate 8.694 times 10 to the power of 2 ( standard form) plz helpppp
qaws [65]

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Step-by-step explanation:

5 0
3 years ago
Michael's dad is 30 years of age. He is 2 years more than four times Michaels age m. Write and solve a two-step equation to dete
Ksenya-84 [330]

Answer:

The two step equation that we can use to find michael's age is x = (f-2)/4 where f = 30. So Michael is 7 years old.

Step-by-step explanation:

In order to solve this problem we will attribute variables to the ages of Michael and his father. For his father age we will attribute a variable called "f" and for Michael's age we will attribute a variable called "x". The first information that the problem gives us is that Michael's dad is 30 years of age, so we have:

f = 30

Then the problem states that the age of the father is 2 years "more" than four "times" Michaels age. The "more" implies a sum and the "times" implies a product, so we have:

f = 2 + 4*x

We can now find Michael's age, for that we need to isolate the "x" variable. We have:

f - 2 = 4*x

4*x = f - 2

x = (f-2)/4

x = (30 - 2)/4 = 7 years

The two step equation that we can use to find michael's age is x = (f-2)/4 where f = 30. So Michael is 7 years old.

7 0
4 years ago
Read 2 more answers
Pls answer I need help much confusion​
diamong [38]

Answer:

a. 1/6

Step-by-step explanation:find common denominator x/6

to get a denominator of 6 from 1/2, it turns into 3/6

denominator of 6 from 2/3, 4/6

4/6 is 1/6 greater than 3/6

5 0
3 years ago
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