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garri49 [273]
3 years ago
5

ASAP!! GIVING BRAINLIEST TO FIRST CORRECT ANSWER

Mathematics
1 answer:
mixas84 [53]3 years ago
6 0

Answer:

200

Step-by-step explanation:

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Simplify this expressions 5x -7 + 3x + 10
Cerrena [4.2K]

Answer:

8x + 3

Step-by-step explanation:

=5x+−7+3x+10

=(5x+3x)+(−7+10)

=8x+3

5 0
3 years ago
Calculate the approximate distance point A (5, 3, −2) and point B (2, −4, 8) are from the origin. Round to the nearest tenth.
bulgar [2K]
The distance of A from the origin.
√(5²+3²+(-2)²)= √(25+9+4)
                      =√38
                      =6.2

The  distance of B from the origin

√(2²+(-4)²+8²=√(4+16+64)
                     
                     =√84
                     = 9.2 
8 0
3 years ago
Please help me and give explanation
Nastasia [14]

Answer:

It is 3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the area. Round to the nearest hundredth when necessary. Be sure you are showing all work to find each figure.
eimsori [14]

<u>Additional requirements in figure</u> :-

Mark point :-

  • A
  • B
  • C
  • D
  • E

Draw a straight line from E to AB .

And the point line joins mark it as "F" .

It will generate quadrilateral FBCD.

we get to know In quadrilateral left angle is 90°

How ?

{

proof :

As three angles are given 90° So third angle will also be 90°

Reason:

→ Sum of interior angles = 2 (no. of angles - 2 × 180°

→Sum of interior angles = (4-2 × 180°)

→Sum of interior angles = (2 × 180°)

→Sum of interior angles = 360°

}

<u>✿</u><u>Now let the left angle be </u><u>x</u>

  • 90° +90° + 90° + x = 360°
  • 180° + 90° + x = 360°
  • 270° + x = 360
  • x = 360° - 270°
  • x = 90°

<u>we know</u> :

Area of rectangle = Length × Breadth

STEPS :

  • Area of rectangle = Length × Breadth

  • Area of rectangle = 7 × 8

  • Area of rectangle = 56 in²

<u>Now let's find EF</u> :

  • EF = BD - EC

  • EF = 7 - 4

  • EF = 3 in

<u>To find A</u>

<u>F</u> :

  • A•F = AB - CD

  • A•F = 12 - 8

  • A•F = 4 in

<u>In triangle AFE</u>:

  • EF is base of triangle
  • A•F is height of triangle

We know :

<u>Area of triangle =(</u><u> </u><u>Height</u><u> </u><u>×</u><u> </u><u>Base)/2</u>

Steps :

  • Area of triangle = (Height × Base)/2
  • Area of triangle = (4 × 3)/2
  • Area of triangle = 12/2
  • Area of triangle = 6 in²

<u>To find area of figure</u> :

  • Area of figure = Area of rectangle + Area of triangle
  • Area of figure = 56 + 6
  • Area of figure = 62 in²

______________________

~WindyMint

5 0
2 years ago
How to find the median of <br><br> E)6,10,12,5,7,12,9
emmasim [6.3K]
First you order them from least to greatest.

5, 6, 7, 9, 10, 12, 12

Then you cross off one number from each side until you get to the middle

Medial = 9
6 0
3 years ago
Read 2 more answers
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