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frozen [14]
3 years ago
11

What is the value of x in the diagram below?

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
6 0

this is another type of lazy.... : )

Step-by-step explanation:

VARVARA [1.3K]3 years ago
4 0

Answer:

<h2>7.2</h2>

option B is the right option.

Step-by-step explanation:

<h3>Using leg rule</h3>

\frac{bc}{ab}  =  \frac{ab}{bd}

Plug the values:

\frac{20}{12}  =  \frac{12}{x}

Apply cross product property

20 \times x = 12 \times 12

Calculate the product

20x = 144

divide both sides of the equation by 20

\frac{20x}{20}  =  \frac{144}{20}

Calculate:

x = 7.2

hope this helps..

Good luck...

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Two children own two-way radios that have a maximum range of 3 miles. One leaves a certain point at 1:00 P.M., walking due north
Grace [21]

Answer:

The answer is 21 minutes

Step-by-step explanation:

We use the equation Xf = Xo + vt

1) At 1:00 PM, child one leaves the starting point heading north at a constant velocity of 6 mi/hr or .1 [mi/min] (divide by 60 to convert from [mi/hr] to [mi/min])

2) He walks for 15 minutes before kid 2 starts walking. In 15 minutes he is able to cover 1.5 [mi]

  • x_{1f1} =x_{o} +v_{1} t_{1} \\x_{1f1} =0+.1(15)\\x_{1f1} =1.5 [mi]

3) Now, child 2 starts walking and we know that when the range reaches 3 miles, they won´t be able to communicate. So the sum of the final position of child 1 and child 2 must be 3[mi]

  • Child 1 final position => x_{1f} = x_{1f1} +v_{1} t\\x_{1f} =1.5+v_{1} t
  • Child 2 final position => x_{2f} =0+v_{2} t

4) Sum the equations and equate to 3

  • x_{1f} +x_{2f} =3

5) Substitute the values we already know

  • 1.5+v_{1} t+v_{2}t=3\\ 1.5+.1t+.15t=3\\1.5+.25t=3\\t=\frac{3-1.5}{.25} \\t=6 [min]

6) in 15 + 6 minutes they will be 3miles apart

7) In 21 minutes they will still be able to communicate with one another.

7 0
3 years ago
Jasmine is getting a new playground in her backyard she graphed them playground area on the coordinate grid shown blow Each squa
Serhud [2]
The answer would be 20 /)
7 0
3 years ago
Read 2 more answers
Guys this is legit due tonight please answer!!!!
givi [52]

Answer:   do this

1/3+-x/4=7/12

Step-by-step explanation:

4.1/3/4+-x/4=7/12

8 0
2 years ago
In what form is the following linear equation written v=9x+2
Oksi-84 [34.3K]
Taking v to be y, it's written in the standard form for a linear equation, y=mx+c
6 0
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In the picture down below
Setler [38]

Answer:

The answer is option A.

The first graph

Hope this helps you

4 0
3 years ago
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