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Wittaler [7]
3 years ago
6

Consider that lines u and v are parallel. Which equation models the relationship between the angles? What is the value of x? A)

12x - 4 = 10x + 10; x = 7 B) 12x - 4 + 10x + 10 = 180; x = 7.9 C) 12x - 4 = 10x - 10; x = -3 D) 12x + 4 = 10x + 10; x = 3

Mathematics
1 answer:
anastassius [24]3 years ago
5 0
Sent a picture of the solution to the problem (s).

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Jordan can swim to laps in 4 1/2 minutes<br> select the correct unit rate for the given situation.
bonufazy [111]

Answer:

Step-by-step explanation:

4 1/2 minutes = 4.5 minutes

2 / 4.5 = 0.44 laps per minute

OR

4.5 / 2 = 2.25 minutes per lap

not sure which one ur looking for...but both are unit rates

4 0
3 years ago
I AM IN DESPERATE NED OF QUICK HELP PLEASEEEEEEEEEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!!!!!
rosijanka [135]

Answer:

16

Step-by-step explanation:

To solve this equation, we need the formula for perfect squares:

  • (a + b)^2 = a^2 + 2ab + b^2

or

  • (a - b)^2 = a^2 - 2ab + b^2 <em>this is the formula we will use because the signs match the one in the question</em>.

Knowing these, we can set up an equation that assumes that the answer we will end up with is a perfect square.

Work:

(v - x)^2 = v^2 -8v + x^2

  • this is the setup for being able to solve for the unknown x, now we need to solve for x.

(v - x)^2 = v^2 - 8v + x^2 (I replaced 2ab with 8v because I'm setting up this question to be a perfect square).

(v - x) (v - x) = v^2 - 8v + x^2

  • multiply the left side. Remember that your answer will not be v^2 + x^2, but v^2 - 2vx +x^2.

v^2 - 2vx + x^2 = v^2 + 8v + x^2

  • Divide like terms and isolate the variable. In this case, v^2 and x^2 are on both sides, so dive them and they will be canceled out.

2vx = 8v

  • divide by 2v and you will have your value for x.

x = 4

  • Now we plug x into our original equation equation for perfect squares.

(v - 4)^2 = v^2 - 8v + 16

Our final answer is 16.

5 0
4 years ago
Mark each of the following statements as true or false (inappropriate notation should fall under "false").
Marianna [84]

Answer:

a.False

b.True

c.False

d.True

e.True

f.True

g.False

h.False

Step-by-step explanation:

a.The quotient of 25/11 =2, 25-2*11=3 not 14

b.25/11 and 14/11 have the same remainder which is 3

c.The quotient of 3/11 =0, 3-0*11=3 not 14

d.14/11 and 3/11 have the same remainder which is 3

e.The quotient of 14/11 is 1, 14-1*11=3

f.14/11 and 3/11 have the same remainder which is 3

g.Incorrect expression

I. Incorrect expression

4 0
4 years ago
Answer the following question please. what is 15% of 80?
tigry1 [53]
12 is the 15% of 80

80 x 0.15 = 12
3 0
3 years ago
Read 2 more answers
How many solutions does the system have?<br> y=-2x -4 <br> y=3x + 3
baherus [9]

Answer:

x=−7/5and y=−6/5

Step-by-step explanation:

Step: Substitute−2x−4foryiny=3x+3:

y=3x+3

−2x−4=3x+3

−2x−4+−3x=3x+3+−3x(Add -3x to both sides)

−5x−4=3

−5x−4+4=3+4(Add 4 to both sides)

−5x=7

−5x

−5

=

7

−5

(Divide both sides by -5)

x=−7/5

7 0
3 years ago
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