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Nadya [2.5K]
3 years ago
13

Answer this question asap

Mathematics
1 answer:
MaRussiya [10]3 years ago
8 0

Answer:

y=5x+z/2

Step-by-step explanation:

Let's solve for y.

x=2y−z/5

Step 1: Flip the equation.

2/5y+−1/5z=x

Step 2: Add 1/5z to both sides.

2/5y+ −1/5z+1/5z=x+1/5z

2/5y=x+1/5z

Step 3: Divide both sides by 2/5.

2/5y/2/5

5=x+1/5z/2/5

y=5x+z/2

Answer:

y=5x+z/2

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What is the area of the triangle?
ArbitrLikvidat [17]

9514 1404 393

Answer:

  7 square units

Step-by-step explanation:

There are several ways the area of triangle EBD can be found.

  • find the lengths EB, BD, DE and use Heron's formula (messy due to roots of roots being involved).
  • define point G at the lower left corner and subtract the areas of ∆DEG and BCD from trapezoid BCGE.
  • figure the area from the coordinates of the vertices.
  • use Pick's theorem and count the dots.

We choose the latter.

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Pick's theorem says the area of a polygon can be found as ...

  A = i + b/2 -1

where i is the number of grid intersection points interior to the polygon, b is the number of grid points intersected by the border.

The attached figure shows the lines EB, BD, and DE intersect one point in addition to the vertices. So, b=4. A count of the red dots reveals 6 interior points (i=6). So, the area is ...

  A = 6 + (4/2) -1 = 7

The area of ∆EBD is 7 square units.

4 0
2 years ago
What are the solutions to the quadratic equation? x2 2 + 3x - 10 = 0
FrozenT [24]

Answer:

2 and -5

Step-by-step explanation:

x2 + 3x - 10 = 0

Factors of -10 include, -2 and 5

so  now we have to factor

(x-2)(x+5)

so x can equal 2 and -5

5 0
3 years ago
Write an equation of the line in slope-intercept form. y=
Phantasy [73]
Y= mx+b
Y= 1x -2
Good luck
3 0
3 years ago
Prime numbers less than 50
SVETLANKA909090 [29]

Answer:

2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,83,89,97

Step-by-step explanation:

those are the prime numbers

3 0
2 years ago
Read 2 more answers
Jessica and Mike are making presentations for a class project. Jessica's slideshow starts with a verbal introduction that is 16
uysha [10]

Answer:

they both has 7 slides and the presentation had a duration of 28 seconds

Step-by-step explanation:

we have to setup equation that makes them equal to each other if you know what i mean. 2x+16=3x+10

then we just solve for x

2x+16=3x+10

subtract 10 from each side

2x+6=3x

step 2 subtract 2x from each side

x=6

so both of their presentations are 7 slides long

then to find the length of their presentations we just plug in 6 to one of the equations

2(6)+16

2x6=12 12+16=28 so both of their presentations were 28 seconds

6 0
2 years ago
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