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svp [43]
3 years ago
12

-13 + 24-46-( - 20 ) =

Mathematics
2 answers:
garri49 [273]3 years ago
8 0

Answer:

-58

Step-by-step explanation:

so -13 +24 is equal to 8.

8-46 is equal to -38

-38 -20 equals -58

By a first grader.

Naddik [55]3 years ago
3 0

Answer

-15

Step-by-step explanation:

-13 +24=11

11-46=-35

-35+20=-15

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Answer:

What grade is this??

Step-by-step explanation:

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2 years ago
write a point-slope equation for the line that passes through the point (6,8) and is parallel to the line given by y=-5x+4
VashaNatasha [74]

Answer:

  y -8 = -5(x -6)

Step-by-step explanation:

The point-slope form of the equation for a line is generally written ...

  y -k = m(x -h)

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The slope of your parallel line is the same as the slope of the reference line, -5. So your equation is ...

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3 years ago
D=5 evaluate 4d <br> Help !!!
dedylja [7]

Answer:

20

Step-by-step explanation:

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3 years ago
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sertanlavr [38]

Answer:

<u>Challenge #1:</u>

<u>Different examples:</u>

2x+1=3x+2

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3x+2=4x+3

<u>Challenge #2:</u>

<u>Different examples:</u>

2x+0=4x+1

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4 0
3 years ago
Read 2 more answers
A solar collector is 2,0 m long by 1,5 m wide. It is held in place
icang [17]

Answer:

The width of the frame is 0.0746 meters

Step-by-step explanation:

We are told that after the frame has been attached to the solar collector, the area that is left exposed is 2.5m^2  . As we see in the figure, the dimensions of this area are

(w-2x) and  (l-2x)

where x is the width of the frame.

The product of these dimensions must equal the exposed area:

(w-2x)(l-2x)=2.5m^2

Now since w=1.5m and l=2m we have:

(1.5-2x)(2-2x)=2.5

we expand this and solve for x using the quadratic formula:

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4x^2-7x+0.5=0

we get two solutions:

x=1.6753

x=0.0746

We take the second solution i.e x=0.0746, because first one gives a width larger than the dimensions of the solar collector which cannot be possible.

Thus the width of the frame is 0.0746 meters.

7 0
3 years ago
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