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oee [108]
3 years ago
6

Solve the following equation 2/7x + 2 = 6

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
3 0

Answer:

x=1/14

Step-by-step explanation:

2/7x+2=6

left part times 7x = right part times 7x  is:

2+14x=42x

2=28x

x=1/14

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Sarah started 3 miles below the rim of the canyon and hiked until she was 8 miles above the rim. Her brother Sam said she hiked
larisa86 [58]

Answer:

D

Step-by-step explanation:

We can assume that the rim of the canyon is 0. Sarah started 3 miles <u>below</u>, so -3, BUT distance can never be negative, so it's considered 3 miles. Then, she went 8 miles <u>above</u> zero. So the 3 miles she went <em>before</em> reaching the rim plus the 8 miles she went <em>after</em> reaching the rim equals 11 miles.

So now we know that Sarah is right, but how do we know which equation is correct? Well, if we look at option C:

|-3+8|=11

When solving absolute value, we solve everything within the absolute value before applying the absolute value. This means that we add -3+8 first, which equals 5, and then apply absolute value, which still equals 5. This equation is not correct.

I hope this helps!

3 0
3 years ago
Read 2 more answers
Plz help! (will make brainliest!)​
S_A_V [24]

Answer:

B

Step-by-step explanation:

Most definitely B because all the x's and y's multiply each other to 1

4 0
3 years ago
A rectangular flower garden is 4.25 feet wide and 8.6 feet long what is the area of the garden in square feet
Len [333]

Answer:

36.55

Step-by-step explanation:

8.6×4.25=36.55

3 0
3 years ago
Which equation results from adding the equations in this system?
eimsori [14]

Answer: 3x=3

Step-by-step explanation: Let's divide this into parts--

1. Adding the x variables: -2x+5x or 5x-2x = 3x.

2. Adding the y variables: y-y or -y+y = 0. (The negative and the positive y cancel each other out.)

3. Adding the numbers: 8-5 or -5+8 = 3.

Now just put it back into an equation: 3x + 0 = 3.

We don't need to add the 0, so the equation changes into 3x = 3.

3 0
3 years ago
Solve the system by elimination 4x-y=2 and x+3y=7
alexdok [17]

Answer:

x=1 y=2

Step-by-step explanation:

Isolate x for 4x -y=2: X=2+y/4

Substitute x= 2+y/4

(2+y/4 )+3y=7

simplify 2+13y/4=7

Isolate y for 2+13y/4=7

y=2

Forx= 2+y/4

Substitute y = 2

x= 2+2/4

Simplify

X=1

3 0
2 years ago
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