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-BARSIC- [3]
3 years ago
15

Need help with this equation

Mathematics
1 answer:
il63 [147K]3 years ago
3 0

Answer:

the answer is A

Step-by-step explanation:

because I know

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Someone please help me with this math question!
stepladder [879]
1.25x + 2.5 \ \textless \  2.75x - 6.5 \\ \\ 2.5 \ \textless \  2.75x - 6.5 - 1.25x \ / \ subtract \ 1.25x \ both \ sides \\ \\ 2.5 \ \textless \  1.5x - 6.5 \ / \ simplify \\ \\ 2.5 + 6.5 \ \textless \  1.5x \ / \ add \ 6.5 \ both \ sides \\ \\ 9 \ \textless \  1.5x \ / \ simplify \\ \\ 6 \ \textless \  x \ / \ divide \ both \ sides \ 1.5 \\ \\ x \ \textgreater \  6 \ / \ change \ sides \\ \\ Answer: x \ \textgreater \  6 (A)
8 0
3 years ago
Read 2 more answers
Which of the following is a correct equation for the line passing through the point (-1,4) and having slope m=-3
timurjin [86]

Answer:

y = -3x + 1

Step-by-step explanation:

Starting with the point (-1, 4) and the slope m = -3, write out the point-slope equation of a straight line:  y - k = m(x - h) becomes y - 4 = -3(x + 1), or:

y = -3x - 3 + 4

y = -3x + 1    This is the same as answer choice (b).

5 0
3 years ago
Round 1.0649 to the nearest thousandth.
yuradex [85]

1.065.   The 5 is the nearest thousandth


5 0
3 years ago
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Find the measure of.. (Image included) <br> I'll take all the help I can get please :)
sergey [27]

Answer:

\sf\Huge\boxed{C.40}

Step-by-step explanation:

Hello There!

Remember: sum of interior angles of a triangle = 180

so to find x we use this equation

180 = 90 + 7x + 5 + 9x + 5 ( the little square in the triangle indicates that the angle is a right angle. right angles have a measure of 90 so that's where the 90 came from.)

now we solve for x

step 1 combine like terms

90 + 5 + 5 = 100

7x + 9x = 16x

now we have 180 = 16x + 100

step 2 subtract 100 from each side

180 - 100 = 80

100 - 100 cancels out

now we have 80 = 16x

step 3 divide each side by 16

80/16 = 5

16x/16=x

we're left with x = 5

Finally we plug in 5 into x for angle a

7(5)+5

7*5=35

35+5=40

so we can conclude that the measure of angle A is 40 degrees

4 0
2 years ago
Please explain this type of problem (1+2i)(1+3i)
zhuklara [117]

Answer:

-5(1-I) is the answer

Step-by-step explanation:

(1+2i)(1+3i)

1(1+3i)+2i(1+3i)

1+3i+2i+6i^2

As i^2=-1

1+5i+6(-1)

1-6+5i

-5+5i

Taking -5 as common

-5(1-i)

I hope this will help you :)

7 0
3 years ago
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