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KATRIN_1 [288]
3 years ago
15

A car is 180 inches long.A truck is 75% longer than the car. How long is the truck?

Mathematics
1 answer:
Maru [420]3 years ago
4 0

Answer:

try dividing those numbers/

Step-by-step explanation:

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1) What is the solution of the given system?
m_a_m_a [10]

Answer:

1  x=-2.5  y = -5.5

2.  x=5  y=1

Step-by-step explanation:

1) What is the solution of the given system?

5x-y=-7

3x-y=-2

Multiply the second equation by -1

-1*(3x-y)=-1(-2)

-3x +y = 2


Now add the first equation to the modified second equation

5x-y=-7

-3x +y = 2

------------------

2x = -5

Divide each side by 2

2x/2 = -5/2

x = -2.5

Now we need to find y

-3x+y =2

-3(-2.5) +y =2

7.5 +y =2

Subtract 7.5 from each side

7.5 -7.5 +y =2-7.5

y = -5.5


2) what is the solution of the given system?

5x+7y=32

8x+6y=46

Divide the second equation by 2

8x/2+6y/2=46/2

4x+3y =23


Multiply the first equation by 4

4 (5x+7y)=32*4

20x+28y = 128


Now multiply the modified 2nd equation by -5

-5(4x+3y )=-5(23 )

-20x -15y = -115


Lets add the new equations together to eliminate x

20x+28y = 128

-20x -15y = -115

---------------------

      13y = 13

Divide each side by 13

13y/13 =13/13

y=1

Now substitute back in to find x

5x+7y=32

5x +7(1) =32

5x +7 =32

Subtract 7 from each side

5x+7-7 =32-7

5x =25

Divide by 5

5x/5 =25/5

x=5





3 0
3 years ago
Tara wants to order tickets online so that she and three of her friends can go to the movies together. The cost of the tickets i
vichka [17]

Answer:

16×4= 64

64.00+3.50

(16×4)+(64.00+14.00)

Step-by-step explanation:

First you have to find how much the tickets will cost per person then add 14.00 because of the one time person but there is four so time 3.50×4

5 0
3 years ago
What is the solution to this equation? 12(8)^x+1=24
aleksandrvk [35]
It should add up to.
x= 0.312866
4 0
2 years ago
Read 2 more answers
Write the slope-intercept form of the equation of the line passing through the point (-1,6) and parallel to the line
Talja [164]

Answer:

y=4x+10

Step-by-step explanation:

It's parallel so it has the same slope of 4.

Then, using slope-point formula

y-y_1=m(x-x_1)

y-6=4(x-(-1))

y-6=4x+4

y=4x+10

7 0
3 years ago
Could someone help me with these questions? I can’t understand it
vampirchik [111]
First question: So, we know a fence that is 3 sections long, requires 4 posts and 6 rails.

Now, we have to use this kind of fence (3 sections, 4 posts, 6 rails) to fence off a yard. The yard is rectangular, and is 6 sections long and 3 sections wide.

Since we know the fence we are using is 3 sections wide, we have to count how many of them we’ll be using for the yard.
We know all four sides of the rectangle - two sides are 3 sections long, and the other two are 6 sections long.

Our fence is 3 sections, so we can already use 2 of those for the two sides of 3 sections. We multiply the number of rails and posts by two (since we are using two of these fences) and get 8 posts and 12 rails. We’ll keep this in mind.

Now, for the other two sides: they are both 6 sections long. We know that 3+3=6, thus one of those sides would be 2 fences long, or 3 sections times 2. We have two of these 6 section sides, so we actually would be using 12 sections (6*2), or in other words, we’d use this fence 4 times (4*3). We multiply the rails and posts by 4, and get 16 posts and 24 rails.

We use the 8 posts and 12 rails from earlier and add the number of the posts and rails we got just now: 16p and 24r, and get a total of 24 posts and 36 rails.

As for the second question, even I’m having a tough time. I’ll get back to you if I can solve it.







6 0
3 years ago
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