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Dmitry_Shevchenko [17]
2 years ago
9

Determine whether each equation is a linear equation. Write yes or no. If yes, write the equation in standard form. 12x = 7y - 1

0y
Mathematics
2 answers:
Anna71 [15]2 years ago
6 0

Answer:

Yes, this is linear.

y = -4x

Step-by-step explanation:

12x = 7y - 10y

12x = -3y

-3y = 12x

/ -3    /-3

y = -4x + 0

Please mark me brainliest if this helped, thank you!

ELEN [110]2 years ago
4 0

Answer and Step-by-step explanation:

This equation is linear because the slope is changing at a constant rate.

Write in standard form:

Standard form on an equation is written like so: <em>Ax + By = C</em>

<u>First combine the y-values.</u>

12x = -3y

<u>Now add 3y to both sides of the equation.</u>

<u>12x + 3y = 0   <-- This is the answer (equation) in standard form.</u>

<em><u>#teamseas #PAW (Plant And Water)</u></em>

<em><u>I hope this helps!</u></em>

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Find the areas of the trapezoids
Sholpan [36]

Answer:

12 units²

Step-by-step explanation:

The area (A) of a trapezoid is calculated as

A = \frac{1}{2} h (b₁ + b₂ )

where h is the perpendicular height and b₁, b₂ the parallel bases

Here h = 4 ( perpendicular distance between the bases ) and

b₁ = SR = 2, b₂ = TA = 4 , then

A = \frac{1}{2} × 4 × (2 + 4) = 2 × 6 = 12 units²

5 0
3 years ago
Joe is hiking a trail that is 30 miles long. after several days, he is two times as far from the beginning of the trail as he is
lora16 [44]
In order to answer this question let's suppose,
Joe is x miles from the beginning and y miles from the end. These assumptions are necessary to answer further:

Now,
x=2y
x+y=30
plugging in x=2y in the above equation
2y+y=30
3y=30
y=10

Hence, according to our calculations, Joe has to hike 10 miles further
5 0
3 years ago
Which is first X axis or Y axis?
Svetllana [295]

Answer:

You always do the X-axis first. Hope this helps! :)

<h3>CloutAnswers</h3>

5 0
3 years ago
Read 2 more answers
A state park charges an entrance fee based on the number of people in a vehicle. A car containing 2 people is charged $14, a car
Artyom0805 [142]

Answer:

Therefore $98 is be charged a bus containing 30 people.

Step-by-step explanation:

Given that,

A state park charges an entrance fee based on the number of people in vehicle.

Let the entry fee for the vehicle be E and entry fee for each person be x.

Then

C= E+(P×x)

C= Total charge in $

E= entry fee for a vehicle

P=No. of person

x= Entry charge per person.

Given A car containing 2 people charged $14

C=$14, P=2

∴14= E+(2× x)

⇒E+2x=14.....(1)

Again A car containing 4 people charged $20

C=$20, P=4

∴20= E+(4× x)

⇒E+4x=20.....(2)

Subtract (1) from (2), we get

E+4x-(E+2x)= 20-14

⇒E+4x-E-2x=6

⇒2x=6

⇒x=3

Putting the value of x in equation (1)

E+(2×3)=14

⇒E=14-6

⇒E=8

Therefore E=$8 and x=$3

Next we check whether our assumption is correct or wrong. Putting the value of E and x for third case

Here P= 8

Therefore C= E+(P×x)

                    = 8+(8× 3)

                    =8+24

                   =$32

Therefore our assumption is correct.

Now C=? , P= 30

The charged for the 30 people is

C= $[8+(30×3)]

  =$[8+90]

 =$98

Therefore $98 is be charged a bus containing 30 people.

4 0
3 years ago
What are the variables in the expression 2w + 11t + 4y
Taya2010 [7]
They are T, W, and Y
5 0
3 years ago
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