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DaniilM [7]
3 years ago
13

Need help with #12 ASAP. What is the equation of a line that is perpendicular to the line y= -1/2x+7 and passes through the poin

t (4,10)?

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
6 0

Answer:

y - 10 = 2(x - 4)

Step-by-step explanation:

Recall this:  The slope of a new line perpendicular to a given line is the negative reciprocal of the slope of the given line.

Thus:  The slope of the new line is the negative reciprocal of (-1/2), or +2.

Using the point-slope formula for the equation of a line,

y - k = m(x - h)

becomes

y - 10 = 2(x - 4)

This could also be written as y = 2x - 8 + 10, or y = 2x + 2

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The length if Sally's garden is 4 meters greater than 3 times the width. The perimeter of her garden is 72 meters. Find the dime
ololo11 [35]

Answer: So lets say that the width is w. The length(L) is 4 meters greater than 3 times the width. 3 times the width would be 3w, and then 4 meters greater than that would be 3w+4. You have two widths and two lengths to a rectangle that must add up to equal 72. So 2w + 2L =72. But remember that one L equals 3w+4

2(w) + 2(3w+4) = 72

2w+6w+8=72

8w+8=72

8w=64

w=8

L=3w+4

L=3(8)+4

L=24+4

L=28

So the dimensions are 8 meters by 28 meters

To check 2(8)+2(28)=72

6 0
3 years ago
Consider the diagram.<br> What is the length of segment AB?
Vlad [161]
The answer would be B
6 0
2 years ago
5th grade math. correct answer will be marked brainliest.
sasho [114]
Hopes this helps:

Answer:

12 1/3
5 0
3 years ago
Read 2 more answers
What is the total surface area of the prism? *<br> 5.2 in<br> 3 in<br> 9.7 in<br> Your answer
marissa [1.9K]

Answer:

190.28in

Step-by-step explanation:

Sides= 31.2

Front and back= 58.2

Top and bottom= 100.88

Add them together= 100.88+58.2+31.2

4 0
3 years ago
I need help anyone can help me
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I found the answer at another website plus wanna get exposed little boys yall aint girls
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