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Yanka [14]
2 years ago
6

Please answer this is my last assignment for the semester

Mathematics
1 answer:
Oxana [17]2 years ago
8 0

Answer:

It's C

Step-by-step explanation:

Multiply the length by the width and you are going to do that by multiplying 4x by 2x and 4 and also multiply -6 by 2x and 4. and then you simplify and you should get the equation C

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What is the equation for a line passing through (-2,3) and perpendicular to y= -1/2+1 ?
nata0808 [166]

Answer:

y=2x+7

Step-by-step explanation:

<u><em>The correct question is</em></u>

what is the equation for a line passing through (-2,3) and perpendicular to y= -1/2<em>x</em>+1 ?

Remember

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes are equal to -1)

The slope of the given line is m=-1/2

so

the opposite reciprocal is m=2

<em>Find the equation of the line in point slope form</em>

y-y1=m(x-x1)

we have

m=2\\point\ (-2,3)

substitute

y-3=2(x+2)

<em>Convert to slope intercept form</em>

y=mx+b

isolate the variable y

y-3=2x+4

y=2x+4+3

y=2x+7

3 0
2 years ago
Please help me on this one i need it
sergiy2304 [10]
Sophia is more correct in her solution.

7 0
3 years ago
Sebastian and his two brothers read and equal amount each week very for a combined total of 135 minutes each week, very the same
ipn [44]

Answer:

270 minutes per boy.

Step-by-step explanation:

45 mins each week

multiplies by 6

3 0
3 years ago
What is the value of 4.5 x 10^5 written in standard form?
soldier1979 [14.2K]

Answer:

4500000

Step-by-step explanation: Let me know if this helped

3 0
3 years ago
Pls helpppp meeeeee :(
Alja [10]

Answer:

Sam

30

Step-by-step explanation:

Sam made a mistake when he said 10^2 -20. The steps should have been:

2n^2-20=2(5)^2-20\\2(25)-20\\50-20=30

You are supposed to square 5 first before multiplying 2. Sam multiplied by 2 first. The correct answer is 30.

7 0
3 years ago
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