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likoan [24]
3 years ago
13

How do you evaluate the following equation by distributing the negative sign?

Mathematics
1 answer:
mash [69]3 years ago
6 0
6 - (3 + 15 * 5) ...do what is in the parenthesis first
6 - (3 + 75) =
6 - 78 =
-72
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What are the coordinates of the orthocenter of △JKL with vertices at J(−4, −1) , K(−4, 8) , and L(2, 8) ?
kompoz [17]

Answer:

K(-4,8) is the ortho center.

Step-by-step explanation:

In a right angled triangle, The vertex of the right angle is the ortho center.

Here we are given

J(-4,-1), K(-4,8) & L(2,8)

Using distance formula we get

JK^{2}= (-4+4)^{2}+ (8+1)^{2}=0+81=81

KL^{2}= (-4-2)^{2}+ (8+-8)^{2}=36+0=36

JL^{2}= (-4-2)^{2}+ (8+1)^{2}=36+81=117

So we can say that

JK^2 + KL^2=JL^2

By converse of pythagorean theorem we get

Hence the Vertex of the right angle is K(-4,8)

K(-4,8) is the ortho center.

7 0
3 years ago
Rewrite the equation 2x+8y=16 in slope-intercept form
Shkiper50 [21]
The goal is to solve for y. Start by subtracting 2x from both sides. This gives you 8y=-2x+16. Now just divide both sides by 8, which gives you y=-2/8x+16/8. Finally, simplify this to y=-1/4x+2.
7 0
3 years ago
Owen runs 37 miles every 2 weeks. Enter the number of miles Owen runs in 12 weeks
Shtirlitz [24]
I think it’s 222 because he runs 18.5 miles every week and 18.5 x 12 = 222
3 0
3 years ago
I hope to better understand these math questions, could you help me?
mart [117]
Answer is SSA  (first choice)

cause LE perpendicular to BU so LEB = LEU = 90

hope it helps
7 0
3 years ago
Molly has $500 in her savings account. She owes her parents $100 for a new outfit. She also owes her brother $25. What is her cu
Inessa [10]

Answer:  His net worth is $375

Step-by-step explanation:

Since, Net worth = Total assets - total liabilities

And, here the total assets of Molly = the money she has in her saving account

= $500

Also, according to the question,

She owes her parents $100 and her brother $25.

Therefore, total liability of her = 100 + 25 = $125

Thus, Her net worth=  500 - 125 = $375

3 0
3 years ago
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