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yulyashka [42]
3 years ago
9

Allen has been asked to replicate a scientific diagram in his notebook. The teacher has told him that variations in lengths of u

p to 2 centimeters are acceptable. If a test tube is 7 centimeters long in the original diagram, write an equation to help Allen find the maximum and minimum acceptable lengths of the test tube in his diagram. (Let x represent the length of the test tube in the new diagram.)
Mathematics
1 answer:
devlian [24]3 years ago
3 0

Answer:

7 ± 2 = x

Step-by-step explanation:

± means plus or minus

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−2t−5&lt;9<br><br> Hiiiiiiii<br><br> Huuuu
Brilliant_brown [7]

Answer:

t > -7

Step-by-step explanation:

To solve for t, first add 5 to both sides:

-2t - 5 < 9

-2t < 14

Divide each side by -2, and flip the inequality because we are dividing by a negative number:

-2t < 14

t > -7

So, the solution is t > -7

4 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (5,2) and has a slope<br> of –6/5
koban [17]

Answer:

5y+6x-40=0

Step-by-step explanation:

y-2=-6/5(x-5)

5y-10=-6(x-5)

5y-10=-6x+30

5y+6x-10-30=0

5y+6x-40=0

3 0
3 years ago
Help me please I really need help
Crazy boy [7]
I’m pretty sure its 28ft
4 0
3 years ago
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What is an equation in point- slope form for the line perpendicular to y= 3x-4 that contains (7,2)?
3241004551 [841]

Answer:

y - 2 = - \frac{1}{3} (x - 7)

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 3x - 4 ← is in slope- intercept form

with slope m = 3

Given a line with slope m then the slope of a line perpendicular to it is

\frac{m}{perpendicular} = - \frac{1}{m} = - \frac{1}{3}

The equation of a line in point- slope form is

y - b = m(x - a)

m is the slope and (a, b) a point on the line

Here m = - \frac{1}{3} and (a, b) = (7, 2), thus

y - 2 = - \frac{1}{3}(x - 7) ← equation of perpendicular line

3 0
3 years ago
What is the difference between -5 and 2?
swat32

Answer:

2 is the bigger number

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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